RADSOURCE - Key Persons


Ashwin Prabhu

Ashwin Prabhu, M.D. graduated with high honors from the University of California Davis, and then earned his medical degree at Tufts University School of Medicine. After completing a transitional year internship through Harvard Medical School, Dr. Prabhu completed his residency in Diagnostic Radiology at the University of Southern California (USC). After his residency, he completed a fellowship in Neuroradiology at USC and a second fellowship in Musculoskeletal Radiology with Dr. John Crues of Radnet Imaging. Following his extensive training, Dr. Prabhu was invited to remain at Radnet for eight years as a staff radiologist, where he built an outstanding reputation and following among orthopaedic and neurologic referring physicians. He also served on the faculty of the Radnet Musculoskeletal Radiology Fellowship Program. Dr. Prabhu has received numerous academic honors, including a Division of Biological Sciences award for outstanding academic and research achievements. He is a member of Phi Beta Kappa, the Phi Sigma Biologic Sciences Honor Society and the Golden Key Honor Society. He has contributed to the radiology literature with textbook revisions, scientific articles and presentations at radiology conferences. Dr. Prabhu has performed medical volunteer work with underserved communities and was employed as a social worker prior to medical school. He currently lives in Los Angeles, California and when not practicing radiology, enjoys weight training, sports, art and travel.

Benjamin Eyer

Benjamin Eyer, M.D., is a highly skilled radiologist who specializes in musculoskeletal and spine imaging. He graduated Magna Cum Laude from the University of San Diego and went on to earn his medical degree at the Medical College of Wisconsin. Dr. Eyer's post-graduate training included an internship in preliminary medicine at Weiss Memorial Hospital, a University of Chicago-affiliated program. He then completed his residency in Diagnostic Radiology at the University of Southern California. After his residency, he completed a fellowship in Musculoskeletal and Spine Imaging with Dr. John Crues of Radnet. Subsequently, Dr. Eyer worked at Radnet for seven years as a musculoskeletal radiologist, including serving as Medical Director of one of their imaging centers in the Los Angeles area. Dr. Eyer is the recipient of numerous academic honors, including membership in the Alpha Omega Alpha Honor Medical Society, the Medical College of Wisconsin Academic Achievement Scholarship, and the Society of Thoracic Radiology President's Award for best scientific paper. He has contributed to the radiology literature with numerous textbook chapters and articles in peer-reviewed journals, and has provided multiple presentations at national radiology meetings. Dr. Eyer lives in Manhattan Beach, California with his wife, who is also a diagnostic radiologist. When not practicing radiology, he enjoys outdoor activities including skiing, surfing and golf, and spending time with their two children.

Beth Valentine

Job Titles:
  • Coordinator I

Brent Robinson

Job Titles:
  • Support Analyst II

Carla Hardy

Job Titles:
  • Coordinator II

Christopher D. Logue

Job Titles:
  • Senior Software Engineer
Christopher D. Logue joined Radsource with comprehensive experience engineering software applications. With expertise in building both web applications and distributed software applications using several different programming languages, Chris is able to tailor software solutions for a variety of systems, environments, and use cases. Before joining Radsource, Chris was employed at Comdata Corporation in Brentwood, Tennessee where, among other accomplishments, he developed a web-based ticket management system and helped design and develop a point-of-sale system used in the transportation industry. Chris graduated summa cum laude from Middle Tennessee State University where he received his Bachelor of Science degree in Finance with a minor in Business Administration.

Christopher Smith

Christopher Smith, M.D. is a highly regarded musculoskeletal radiologist who joins Radsource after serving as Director of Musculoskeletal Imaging at Baylor University Medical Center in Dallas, Texas and as an affiliate instructor at Texas A&M College of Medicine. Armed with a Columbia University biomechanical engineering degree, Dr. Smith graduated #1 in his medical school class at The University of Texas Southwestern Medical School, easily inducted into the Alpha Omega Alpha honor society. Following an internal medicine internship at Washington University School of Medicine in St. Louis, Dr. Smith completed his radiology residency at the renowned Mallinckrodt Institute of Radiology, serving as Chief Resident. He stayed at Mallinckrodt to complete a musculoskeletal radiology fellowship, continuing an impressive record as an academician and radiological leader. In practice, Dr. Smith has clearly established himself as a "go-to" musculoskeletal radiologist for subspecialty orthopedists, respected colleague and educator. Dr. Smith serves as an editor of the American College of Radiology Case In Point. His work has been featured in numerous peer-reviewed publications and scientific presentations at national radiology meetings. When not practicing radiology, Dr. Smith enjoys spending time outdoors with his family, hiking, and traveling.

Chuck Martin

Job Titles:
  • Support Analyst III

Daniel Bruchman

Job Titles:
  • Support Analyst III / PACS Administrator

Daniel Maland

Dan Maland, M.D. is a distinguished musculoskeletal radiologist with a wealth of experience in the field. Before joining Radsource, he served for five years as a musculoskeletal radiologist at American Radiology Associates in Dallas, Texas. Dr. Maland completed his medical education at the University of Texas at Houston Medical School, where he was elected to the Alpha Omega Alpha Honor Society. He continued his training with a residency in diagnostic and interventional imaging at the University of Texas Health Science Center in Houston and stayed to pursue a fellowship in musculoskeletal and emergency imaging. Dr. Maland is highly regarded by orthopaedic surgeons for his exceptional expertise as a musculoskeletal radiologist and his ability to deliver practical and clinically relevant information. Throughout his career, Dr. Maland has been involved in various research projects, including investigating muscle injuries in NFL athletes using MRI and ultrasound to describe injury patterns and improve treatment planning. Additionally, he has authored and presented several posters and scientific publications at various national academic conferences. When he is not immersed in the world of radiology, Dr. Maland enjoys spending quality time with his wife and two daughters. Dr. Maland is an active sports enthusiast. He is an avid reader and enjoys piano, guitar, and singing.

David Rubin

David Rubin, M.D. is a highly accomplished musculoskeletal radiologist who obtained his bachelor's degree from Brown University. He is an Alpha Omega Alpha graduate of the University of Pennsylvania School of Medicine. He completed his radiology residency and musculoskeletal radiology fellowship at the Hospital of the University of Pennsylvania in Philadelphia, where he also served as Chief Resident. Before joining Radsource, Dr. Rubin served on the faculty at Washington University School of Medicine in St. Louis for more than 20 years, where he was Professor of Radiology and Chief of the Musculoskeletal Section of the Mallinckrodt Institute of Radiology. Dr. Rubin is a world-renowned leader in the field of musculoskeletal radiology and has earned many honors and awards, including multiple awards for excellence in resident education. He is an Associate Editor for the journal Radiology, sits on additional editorial boards, and serves as a peer reviewer for several prestigious journals, including Radiology, AJR, and JBJS. Dr. Rubin is an active member of numerous radiology professional societies, previously chairing multiple committees for the Society of Skeletal Radiology, the Radiologic Society of North America, and the American College of Radiology. His contributions to the radiology literature include over 100 peer-reviewed and invited articles, book chapters, scientific presentations and exhibits. Dr. Rubin is a highly sought-after lecturer and visiting professor at national and international radiology meetings. In his free time, Dr. Rubin enjoys spending time with his family (one wife, two children, two dogs, and one lizard), exercising, reading, gardening, and brewing his own beer.

Derrick Key

Job Titles:
  • Support Analyst II

Dr. Donald Resnick

Dr. Donald Resnick's illustrious career spans more than 40 years, spent primarily at UCSD, where he is Chief of Osteoradiology. He has served as a reviewer or on the editorial board of over 30 peer-reviewed journals, a function he is well suited for, as he has published over 850 peer-reviewed articles in orthopaedic and radiologic literature! Dr. Resnick has authored 25 textbooks and book chapters, and his textbooks Diagnosis of Bone and Joint Disorders (5 volumes) and Internal Derangements of Joints are considered essential components of any musculoskeletal radiology library. He has given over 1200 presentations at national and international scientific and educational meetings. Dr. Resnick has received a multitude of awards, including the Gold Medal from the American Roentgen Ray Society, the Founder's Medal from the International Skeletal Society, and being named Educator of the Year by the Radiological Society of North America. The depth of Dr. Resnick's legacy is immeasurable, as in addition to his body of personal work, he has trained many of today's leaders in musculoskeletal radiology. To date, over 250 fellows have graduated from Dr. Resnick's prestigious musculoskeletal radiology program at UCSD. It is with good reason that Dr. Resnick is often referred to as the "father of present-day musculoskeletal radiology."

Elizabeth L. Carpenter

Elizabeth L. Carpenter, M.D.. is an accomplished musculoskeletal radiologist with a passion for sports medicine imaging. She graduated with high honors from Wake Forest University, and then earned her medical degree at Stony Brook University School of Medicine. Dr. Carpenter completed residency in diagnostic radiology at NYU Langone Medical Center, where she served as Chief Resident. Following residency, Dr. Carpenter remained at NYU Langone to complete a fellowship in musculoskeletal radiology. Already an adept musculoskeletal radiologist, Dr. Carpenter went on to complete a second sports medicine imaging fellowship at The Steadman Philippon Research Institute in Vail, CO. Following her extensive training, Dr. Carpenter joined Diversified Radiology of Colorado as a musculoskeletal radiologist. During this time, she cultivated a practice based upon image interpretation and ultrasound-guided therapeutic interventions. Dr. Carpenter has contributed extensively to the radiology literature with scientific articles, case reports and presentations at radiology conferences. She is a member of several professional organizations including the Radiological Society of North America, the Society of Skeletal Radiology, and the American Academy of Orthopaedic Surgeons. Dr. Carpenter currently lives in Colorado and enjoys triathlons, cycling, scuba diving, alpine skiing, and travel.

Gail Pratt

Job Titles:
  • Coordinator III

Gary Howell

Gary Howell, M.D. is a highly experienced musculoskeletal radiologist and interpreter of MRI. Dr. Howell completed a radiology residency at the University of Cincinnati Medical Center in Cincinnati, Ohio, where he served as Chief Resident. Following residency, Dr. Howell received additional training in musculoskeletal MRI at the San Francisco Magnetic Resonance Imaging Center, under the direction of Dr. Philip Tirman. Prior to his radiology residency, Dr. Howell completed a general surgery internship at the University of Washington Affiliated Hospitals in Seattle, Washington. He has an M.D. from the University of Mississippi School of Medicine and received his B.S. from the University of Southern Mississippi. Before joining Radsource, Dr. Howell served as an Assistant Professor of Radiology at the University of California-Davis Medical Center. As a Major in the Air Force, Dr. Howell served as Chief of Musculoskeletal Imaging and Chief of Emergency Imaging at Travis Air Force Base, where he was recognized as an outstanding lecturer and teacher. Dr. Howell has served in additional leadership positions as Chair of Diagnostic Imaging and Chief of Musculoskeletal Imaging at The Oregon Clinic/Providence Portland Medical Center in Portland, Oregon, and most recently, as President and Chair of Diagnostic Imaging and Chief of Musculoskeletal Imaging for Radiology Specialists of the Northwest/Providence Portland Medical Center. Dr. Howell is well recognized as an expert in Musculoskeletal Imaging and as a trusted consultant to multiple physician practices throughout Oregon. Dr. Howell is married with three children. He enjoys outdoor activities in the beautiful Northwest, including hiking and kayaking.

Hilary Orlowski

Hilary Louise Purdy Orlowski, M.D. is an exceptionally skilled neuroradiologist who joins Radsource after serving as assistant professor of neuroradiology at the renowned Mallinckrodt Institute of Radiology at Washington University School of Medicine, St. Louis, where she served as the program director for the neuroradiology fellowship program. After earning her undergraduate degree from Northwestern University, Dr. Orlowski went on to complete medical school at Rush Medical College in Chicago, where she was a member of the Alpha Omega Alpha honor society and earned multiple awards and honors for her academic work, including prestigious junior and senior medical student commendations and the Glasgow-Rubin Citation for Academic Achievement. Dr. Orlowski completed her radiology residency at Mallinckrodt, serving as Chief Resident. After residency, she completed a fellowship in diagnostic neuroradiology at Mallinckrodt and went on to demonstrate impressive skills as a leader and mentor in the field of academic radiology. Dr. Orlowski has made substantial contributions to the field of radiology. She has received multiple funded research grants, has published numerous peer-reviewed articles and book chapters, has sat on multiple national editorial committees and boards, and has provided countless radiology educational lectures. She served on many university and hospital boards and committees and was awarded Mallinckrodt's Distinguished Residency Teaching Award.

Ingrid Kjellin

Ingrid Kjellin, M.D. joined Radsource in 2007 after 10 years as an attending in Musculoskeletal Radiology at the Loma Linda University Medical Center, where she served as Chief of Musculoskeletal Radiology since 2000. Dr. Kjellin was born in Sweden and attended college and medical school in Sweden before coming to the United States to continue her medical training. Following an internship at San Bernardino Medical Center in California, Dr. Kjellin entered her residency in Diagnostic Radiology at the Loma Linda University Medical Center. After obtaining board certification, Dr. Kjellin completed fellowships in Pediatric Radiology at the UCLA Medical Center and in Musculoskeletal Radiology at the University of California San Diego, under the direction of Donald Resnick, M.D. While at Loma Linda, Dr. Kjellin developed a superb reputation as an educator and trusted clinical consultant to the medical staff. She has contributed significantly to the field of musculoskeletal radiology, having authored numerous scientific papers and exhibits as well as two book chapters. In addition, Dr Kjellin has provided more than 50 invited lectures at national radiology educational meetings, and has served as a reviewer for educational exhibits for the Radiological Society of North America. Dr. Kjellin resides in Southern California with her two children and her husband, a neurologist in private practice. She enjoys gardening, gourmet cooking, chamber music, and Swedish literature.

Isabella Perez

Job Titles:
  • Director of Client Services
Isabella Perez leads our PACS Support Team and manages all client accounts. She joined Radsource in 2016 with nearly two decades of experience in healthcare, project management, and customer relations. Previously, she excelled as an Incident Manager and Project Manager for Healthways/HP Enterprises, supporting EMR and clinical call center operations. Prior to that, she spent 12 years in a hospital setting as a Unit Clerk/Insurance Specialist. Isabella graduated magna cum laude with a degree in business management from Aquinas College in Nashville, TN. In her free time, Isabella enjoys playing tennis, spending time with her family, and playing with her dog Nash.

Jacob Batson

Jacob Batson, M.D., is an accomplished radiologist, specializing in both musculoskeletal radiology and neuroradiology. Prior to joining Radsource, Dr. Batson served as a partner physician at Vulcan Imaging Associates in Birmingham, Alabama, where he established himself as a highly regarded professional in the field. Dr. Batson completed his medical degree at the University of South Alabama College of Medicine (USACOM), after earning a Bachelor of Science in chemistry from the University of Alabama, where he graduated summa cum laude and was a 4-year National Merit Scholar. After medical school, Dr. Batson continued his training with a diagnostic radiology residency at the University of Florida College of Medicine. He then specialized in musculoskeletal imaging with a fellowship at Alabama Sports Medicine Imaging, where he trained alongside orthopaedic surgery residents of the Andrews Sports Medicine and Orthopaedic Center. Subsequently, Dr. Batson completed a neuroradiology fellowship at the University of Alabama School of Medicine. Dr. Batson has earned numerous honors and awards and, notably, was the recipient of the Steven Karl Teplick, MD, FACR Memorial Award in 2011, presented to the outstanding graduating student entering radiology. His academic achievements include memberships in honor societies such as Phi Beta Kappa and Alpha Omega Alpha. Dr. Batson has made several scholarly contributions to the field of radiology, including a variety of publications and exhibits. He is active in various professional societies, including the American College of Radiology, American Roentgen Ray Society, Radiological Society of North America, and the Alpha Omega Alpha Honor Society. When not practicing radiology, Dr. Batson enjoys golf, hiking, and water sports on the lake.

Jarrod Dale

Jarrod Dale, M.D. is an accomplished diagnostic and interventional musculoskeletal radiologist with extensive experience in both academic medicine and private practice. Dr. Dale graduated summa cum laude from Texas State University with a degree in biochemistry and molecular biology. He earned his medical degree with additional distinction in research at the University of Texas Southwestern Medical Center, where he was a member of the Alpha Omega Alpha Honor Society. Dr. Dale completed a transitional internship at University of Texas Southwestern in Austin, then performed his radiology residency at the University of Washington Medical Center, where he served as Co-Chief Resident. Following residency, he completed a fellowship in musculoskeletal imaging and intervention at the University of Wisconsin, where he was also an acting instructor. Following his training, Dr. Dale joined Austin Radiological Association (ARA) in Austin, Texas where he was elevated to partner and served as the Chief of MSK Ultrasound and MSK CT. During his tenure at ARA, Dr. Dale served as a part-time Clinical Assistant Professor and helped establish the orthopaedic Residency-Musculoskeletal Radiology rotation at Dell Medical School, University of Texas at Austin. Most recently, he was active on a national level with Radiology Partners, serving on several committees including being one of six national MSK subspecialty advisors. Prior to joining Radsource, Dr. Dale was voted one of Austin's Top Doctors by Peers in 2021 and 2022. Dr. Dale has contributed to the radiology literature with scientific articles and abstracts in peer-reviewed journals and has provided presentations at national radiology meetings. He has demonstrated leadership in the field with numerous board and committee appointments, teaching engagements, and research projects. When not practicing radiology, Dr. Dale enjoys functional fitness, skiing, golf, teaching, being a dad and spending quality time with family and friends.

Jason Stephenson

Jason Stephenson, M.D., is a highly skilled musculoskeletal radiologist with a remarkable educational background. Prior to joining Radsource, he served as an associate professor and associate dean at the University of Wisconsin School of Medicine and Public Health. Dr. Stephenson earned his undergraduate degree in human biology from Stanford University, He went on to complete his medical degree at Washington University School of Medicine in St. Louis, MO, where he was a member of the Alpha Omega Alpha honor society and served as the president of the medical school class of 2004. After finishing medical school, Dr. Stephenson completed a transitional internship at St. John's Mercy Medical Center in St. Louis, MO. He then completed a diagnostic radiology at the renowned Mallinckrodt Institute of Radiology, where he served as chief resident during his final year. Dr. Stephenson stayed at Mallinckrodt to complete a fellowship in musculoskeletal radiology. Throughout his career, Dr. Stephenson has actively engaged in research and academic pursuits, contributing significantly to the field of musculoskeletal radiology and medical education. His contributions have been recognized through numerous peer-reviewed publications and scientific presentations, and he has been the recipient of many awards and honors. When not practicing radiology, he enjoys weightlifting, gardening, and traveling with his wife and two adult children.

Jeffrey W. Carden - COO

Job Titles:
  • Chief Operating Officer
Jeffrey W. Carden joined Radsource with deep experience in the healthcare delivery industry. Prior to Radsource, Jeff served in the capacity of Director of Information Technologies before being elevated to Chief Information Officer for a $150M physician services and Ambulatory Surgery Center (ASC) company. The technologies and processes required to successfully manage physician practices, ASCs, and Imaging Centers were directly accountable to Jeff during his tenure. Previous experience includes the position of CIO for Nashville-based Health Advantage Network, a PPO company, as well as time with HealthTrust, the Hospital Company. In addition, his extensive experience in the specialty field of orthopaedics makes him well suited to help guide Radsource. Jeff received his Bachelor of Science degree in Computer Information Systems from Lipscomb University.

Joanna Costello

Joanna Costello, M.D., is an accomplished musculoskeletal radiologist who obtained her bachelor's degree from Lehigh University. She attended medical school at the Medical College of Pennsylvania and completed her radiology residency at Mercy Hospital of Pittsburgh. Dr. Costello then completed a musculoskeletal radiology fellowship at the University of Pittsburgh Medical Center. Prior to joining Radsource, Dr. Costello served as a Clinical Assistant Professor at the Mallinckrodt Institute of Radiology in St. Louis and, most recently, as an Assistant Professor of Radiology in the musculoskeletal division of the University of Pittsburgh. She has served as a consultant for major league baseball, football and hockey teams, including the Pittsburgh Penguins, Pittsburgh Steelers, St. Louis Rams, St. Louis Blues and St. Louis Cardinals. Dr. Costello has received numerous honors, including a Certificate of Merit from the RSNA and a first place scientific presentation at the 18 th annual OREF/ORS Resident Research Symposium. She was a Rhodes Scholar Elect and a member of Phi Beta Kappa. She has contributed to the radiology literature with over 80 peer-reviewed scientific articles, abstracts and presentations at national radiology conferences. When not practicing radiology, Dr. Costello enjoys relaxing with family and friends. Some of her interests include hiking, cycling, traveling, music, pups, and artistic hobbies such as decorating, drawing and photography.

Leon Toye

Job Titles:
  • Medical Director
Leon Toye, M.D. has nearly 20 years of musculoskeletal MRI experience and serves as a Radsource Medical Director. Dr. Toye is the lead radiologist for both the Tennessee Titans NFL and Memphis Grizzlies NBA teams. Prior to joining Radsource, Dr. Toye was the Director of MSK Radiology at Baylor University Medical Center in Dallas, a sought-after clinical radiologist, and a highly regarded radiology resident and fellow educator. While in Texas, Dr. Toye provided image interpretations for additional professional sports teams including the Dallas Cowboys and Dallas Stars. He has numerous publications to his credit, is a member of the International Skeletal Society, and has served as a peer reviewer for the Musculoskeletal Section of the American Journal of Roentgenology. Dr. Toye has a special interest in MR image optimization and occasionally serves as a consultant on the GE MSK MRI Medical Advisory Committee. Dr. Toye completed musculoskeletal radiology fellowship at Duke University under the direction of Dr. Clyde Helms. Additionally, he was chief resident in Diagnostic Radiology at the St. Joseph's Hospital and Medical Center/Barrow Neurological Institute in Phoenix and graduated from the University of Texas Health Science Center in San Antonio. Dr. Toye is a guitar enthusiast and enjoys professionally recording with other artists in Nashville, New Orleans, and Austin. Dr. Toye's wife, Amanda, is an anesthesiologist who specializes in pain management.

Liza Jackson

Job Titles:
  • Support Analyst II

Malisa S. Lester

Malisa S. Lester, M.D. is a highly experienced neuroradiologist well-recognized by her peers for her expertise in neurological MRI. Prior to joining Radsource, Dr. Lester was a partner at Diagnostic Imaging Alliance of Louisville, a busy private radiology practice where she has worked since 2017. She previously served as an Assistant Professor of Radiology in the Neuroradiology Section of Northwestern University's Feinberg School of Medicine. She has lectured extensively on neuroradiology topics, including MR/CT technology, brain tumors, CT perfusion and more. Dr. Lester is an accomplished researcher and educator and has authored numerous peer-reviewed articles and presented her work at multiple national scientific meetings. She is a member of the American Society of Neuroradiology and the Radiological Society of North America. Dr. Lester completed both her undergraduate studies and her medical degree at the University of Texas, where she was a member of the Phi Beta Kappa and Alpha Omega Alpha honor societies. Dr. Lester completed an internship as well as her residency in diagnostic radiology at the University of Texas Health Science Center. After residency, she completed a fellowship in neuroradiology at Northwestern University's Feinberg School of Medicine and holds a Certificate of Added Qualification in Neuroradiology from the American Board of Radiology. Dr. Lester enjoys traveling, cooking, and playing the violin and piano in her free time.

Marc Potvin

Job Titles:
  • Chief Development Officer
Marc Potvin joined Radsource with comprehensive sales and marketing leadership experience. As Chief Development Officer, Marc is responsible for managing the Radsource sales team and providing strategic direction for the company's growth initiatives. Before joining Radsource, Marc was a sales executive with BancCard of America, a nationally-recognized financial services corporation, where his talents in team leadership, training and motivation led him to several positions of increasing responsibility, culminating in the role of Executive Vice President and National Sales Director. Prior to his career in sales, Marc was an elementary school teacher in Williamson County, Tennessee. Marc graduated cum laude from Freed-Hardeman University in Henderson, Tennessee, where he was a varsity athlete in basketball and soccer. Marc enjoys playing golf and spending time with his wife and three children.

Mark Awh - President

Job Titles:
  • President

May Valentine

Job Titles:
  • Coordinator I

Melanie Meadows

Job Titles:
  • Senior Director, Marketing and Communications
Melanie Meadows joined Radsource with decades of experience in corporate communications, marketing, and creative services. As Senior Director of Marketing and Communications, Melanie is responsible for developing and implementing marketing strategies, as well as managing Radsource brand communications in print, digital and social media. Prior to joining Radsource, Melanie managed digital marketing and creative services for one of the nation's leading healthcare group purchasing organizations. Melanie graduated from Western Kentucky University with a Bachelor of Arts in Journalism. She also holds a Master of Science in Mass Communication from Middle Tennessee State University.

Michael Bragg

Job Titles:
  • Director of Systems and Technology

Michael Stadnick

Job Titles:
  • Founding Member
  • Medical Director
Michael Stadnick, M.D. is a founding member of Radsource. Before joining Radsource, Dr. Stadnick established himself as a successful and respected radiologist specializing in musculoskeletal MR. Dr. Stadnick is a board-certified radiologist who received his residency training at SUNY Health Science Center at Syracuse. Following his residency, Dr. Stadnick was invited to remain as assistant professor in the musculoskeletal radiology section where he became a valued clinical consultant and instructor, and gained extensive practical clinical experience during a six-year stay. Dr. Stadnick then entered private practice in Nashville, Tennessee where his expertise in musculoskeletal MR was instrumental in establishing an extremely successful MR practice during his four-year tenure. Dr. Stadnick's previous clinical responsibilities include Medical Director for various MR facilities and Director of Musculoskeletal Imaging at St. Thomas Hospital, Nashville, Tennessee. He has co-authored book chapters on musculoskeletal MR and articular cartilage and has multiple articles to his credit. An accomplished artist, Dr. Stadnick has recently focused his talents on the field of medical illustration. His work has been featured in numerous presentations, articles, and textbooks.

Michelle Whitlock - COO

Job Titles:
  • Director of Operations
Michelle Whitlock joined Radsource as the Director of Operations in 2014 and has been in the medical industry for more than 25 years. Her career began as a radiology technologist and then transitioned to ambulatory care management. New opportunities led her to a transition into the surgical arena. Michelle has more than 15 years of minimally invasive surgical support experience, in addition to her background in human resources and employee training through her last employer, SpecialtyCare. Michelle attended Cal State Long Beach, and graduated from Orange Coast College California in Radiologic Technology, and is currently certified in Radiography and Mammography. She also graduated summa cum laude from Palm Beach Atlantic University with a Bachelor of Science degree in Organizational Management, with a concentration in Human Resources.

Stephen Quinn

Stephen Quinn completed both his undergraduate studies and his medical degree at the University of North Carolina, graduating with honors in both cases. His internship and residency were performed at the University of Virginia, under the direction of renowned musculoskeletal radiologist Theodore E. Keats. Dr. Quinn then completed a fellowship in Body Imaging and Interventional Radiology at the University of California, San Diego. Dr. Quinn has over nineteen years of experience as a valued clinician, educator, and researcher. In addition to private practice experience, he has held positions, often concurrent with private practice, as an Assistant Professor of Radiology at the H. Lee Moffit Cancer Center and at the University of Oregon, where he held a dual appointment as a Clinical Assistant Professor of Surgery. Dr. Quinn's contributions to the radiology literature can only be described as remarkable. He has authored over 100 peer-reviewed articles and has presented his findings at numerous radiology and surgical meetings. His landmark articles in musculoskeletal MRI include some of the initial reports on the use of MRI for the evaluation of the Achilles tendon, osteomyelitis, patellar tendonitis and chondromalacia, extremity foreign bodies, tarsal tunnel syndrome, fibromatoses, the biceps tendon, hip fractures, and meniscal tears with arthroscopic correlation.

Thomas Broadbent

Job Titles:
  • Coordinator I

Todd Lanier

Todd Lanier, M.D., is a board-certified neuroradiologist who earned his bachelor's degree at the University of Georgia, graduating Magna Cum Laude. After earning his medical degree at the Medical College of Georgia, Dr. Lanier completed internship and diagnostic radiology residency at Baylor College of Medicine. Following residency, Dr. Lanier completed a two-year fellowship in neuroradiology at the University of California San Diego, where he also served as junior faculty. Following training, Dr. Lanier entered private practice with Radiology Associates of Savannah while serving as faculty for the Memorial Health University Radiology Residency Program and holding an Assistant Professor of Radiology at Mercer University Medical School position. Dr. Lanier served as both Director of Neuroradiology and Chair of the Radiology Department at Memorial Health University Medical Center in Savannah. Most recently, Dr. Lanier has served as Head of Neuroimaging at SouthCoast Health, also in Savannah. Dr. Lanier has held a Certificate of Added Qualification in Neuroradiology and has been a Senior Member of the American Society of Neuroradiology for over 20 years. Dr. Lanier has been well-recognized by his colleagues and referring physicians, demonstrating broad experience and exceptional clinical expertise. When not practicing radiology, Dr. Lanier enjoys recreational water sports and spending time outdoors with his wife, daughters and friends.

Travis Hillen

Travis Hillen, M.D., is an accomplished musculoskeletal radiologist and a prolific contributor to academic radiology. Prior to joining Radsource, Dr. Hillen served on the faculty at Washington University School of Medicine as an Associate Professor of Radiology at the Mallinckrodt Institute of Radiology. Dr. Hillen earned his undergraduate degree from Blackburn University in Carlinville, IL. He obtained a master's degree in pharmacology from the University of Missouri-Columbia, where he also earned his medical degree and completed an internship in internal medicine. Dr. Hillen completed his radiology residency at Barnes Jewish Hospital - Mallinckrodt Institute of Radiology, and was selected as Chief Resident during his final year. After residency, he completed a fellowship in musculoskeletal radiology at Mallinckrodt and went on to become a highly respected faculty member, earning numerous committee appointments and a Teacher of the Year Award in 2018. Dr. Hillen has contributed numerous peer-reviewed manuscripts, articles, book chapters, and presentations to the field of musculoskeletal radiology, with a research interest in bone and soft issue tumors. He is a member of several professional societies and organizations, including the Radiologic Society of North America, the American College of Radiology, and the Society of Skeletal Radiology. When not working, he enjoys camping and traveling with his wife and 4 kids, coaching his kids in sports, and spending time with his 6 brothers on the family farm.

Veronica Miller

Job Titles:
  • Director of Implementations
Veronica Miller joined Radsource in 2019, taking on roles of increasing responsibility on the PACs implementations team, where she now serves as Director of Implementations. Prior to joining Radsource, Veronica worked in administrative roles at HCA Healthcare and Vanderbilt University Medical Center. She has broad experience in many areas of healthcare including physician services, scheduling, billing, credentialing, technology systems, and more. Veronica graduated from the University of Wisconsin Colleges with a degree in business administration. She is a certified pilates instructor and enjoys spending time with her husband, daughter, and their four cats.