EMERGENCY MEDICINE SPECIALISTS - Key Persons


Adam Welch

Job Titles:
  • Physician
  • Board Certified, Emergency Medicine
Dr. Welch is an emergency physician and is proud to be a part of the EM Specialists team. He is dedicated to the pursuit of medicine and to caring for the people in his community. Education: 2018, Emergency Medicine Residency, Wright State University School of Medicine 2015, Family Medicine Residency, Wright State University School of Medicine 2011, Doctor of Medicine, American University of Integrative Sciences School of Medicine 2006, Bachelor of Arts in Zoology, Miami University

Aditya Arora

Job Titles:
  • Medical Director, Kettering Health Greene Memorial & Springfield
Dr. Arora is a residency trained, board certified emergency physician that has been in active practice in the Dayton area for over 20 years. His interest is in giving quality care for patients and utilizing emergency services to the best of his ability.

Alex Kaple

Job Titles:
  • Board Eligible, Emergency Medicine

Alex Rank

Job Titles:
  • Physician Assistant

Alexander Simon

Job Titles:
  • Physician Assistant
Education: Master of Physician Assistant Studies, Kettering College

Amanda Stegemiller

Job Titles:
  • Physician Assistant

Andrew Lee

Job Titles:
  • Assistant Medical Director, Kettering Health Dayton
Dr. Lee completed his training in Emergency Medicine at Northwestern University where he served as chief resident during his fourth year. Prior to joining Emergency Medicine Specialists, he was a faculty member at the University of Wisconsin and served as Associate Vice Chair of Operations. His interests include improving ED Operations and patient flow, patient safety and quality improvement.

Andrew Morris

Job Titles:
  • Board Eligible, Emergency Medicine
Dr. Morris is a board eligible emergency physician. Education: Emergency Medicine Residency, Aventura Hospital and Medical Center Doctor of Medicine, Drexel University College of Medicine Undergraduate, Denison University Personal: Dr. Morris is excited to return home to Dayton, Ohio after training out of state over the last 7 years. He enjoys golf, travel, and spending time with friends and family.

Andrew Zhen

Job Titles:
  • Board Certified, Emergency Medicine
Education: 2021, Western Michigan University Homer Stryker School of Medicine, Emergency Medicine Residency 2018, Midwestern University, Arizona College of Osteopathic Medicine 2012, University of California, San Diego

Angie Habermann

Job Titles:
  • Marketing Coordinator

Angie Metcalf

Job Titles:
  • Human Resource Specialist
Emergency Medicine Specialists is a Dayton-based, democratic group of engaged board certified emergency medicine physicians. Since 1981, we have been delivering care with compassion to patients in the Kettering Health Network. We are leaders in the "One Best Practice" initiative and standardization of throughput expectations. We also lead in patient experience among all network emergency departments. Personal Interests: Angie is married with two girls and cherishes time with family and friends. She also enjoys traveling to the beach, boating, and taking hiking adventures with her dog. Angie started with Prestige Billing in October of 2000 as Administrative Assistant for both PBS and EMS. She is currently working as a Human Resource Specialist for PBS.

AnneMarie Underwood

Job Titles:
  • Physician Assistant
Education: 2021, South College, Master of Physician Assistant Studies 2017, Lee University, Bachelor of Science

Ashley Haas

Job Titles:
  • Physician Assistant
Education: 2022, Master of Physician Assistant Studies, Kettering College 2018, Bachelor of Science in Biological Studies & Minor in Chemistry, University of South Carolina

Bradley King

Job Titles:
  • Board Eligible, Emergency Medicine

Bridgette Antolin

Job Titles:
  • Physician Assistant
Education: 2023, Master of Physician Assistant Studies, Kettering College 2018, Bachelor of Science in Biology, Marian University

Brooke McCarthy

Job Titles:
  • Physician
  • Medical Director, Kettering Health Miamisburg
Dr. McCarthy is a physician at Emergency Medicine Specialists, caring for patients in the Dayton area. She is an advocate for her patients and strives to deliver the best care through proactive teamwork and collaboration.

Christina L. Smith

Job Titles:
  • Medical Director, Kettering Health Washington Township
Dr. Smith is a board certified emergency physician and part of the Emergency Medicine Specialists team. She works toward delivering care with compassion and empathy, and is invested in providing the best care in the Dayton area.

Christopher Huelsman

Job Titles:
  • Board Certified, Emergency Medicine
Dr. Huelsman began his exposure to medicine in rural western Ohio through his father functioned as a volunteer firefighter and first responder, always being around emergency responders during his childhood. He initially thought he would practice family medicine based on his exposure to the fifth generation practice in his hometown, but found that the Emergency Department helped satisfy his need to stay involved with emergency personnel and the care of patients at their biggest need. Dr. Huelsman looks forward to assisting patients in the Emergency Department and feels privileged to be able to aid them in their time of pain, fear or need. Education: Wright State University, Dayton, OH (Bachelor of Science, Integrated Sciences 2010) Wright State University Boonshoft School of Medicine, Dayton, OH (Doctor of Medicine 2014) Marshall University School of Medicine, Huntington, WV (Internship, Family Medicine 2015) Wright State University Boonshoft School of Medicine, Dayton, OH (Residency, Emergency Medicine 2018)

Christopher P. Miller

Job Titles:
  • Medical Director, Kettering Health Troy
Dr. Miller is an Emergency Medicine Physician working at several Kettering Health Network Emergency Departments. He is originally from Ross, Ohio and spent most of his time during his education and training in the Midwest. His special interests include emergency medical

Christopher Vermillion

Job Titles:
  • Assistant Medical Director, Kettering Health Miamisburg
  • Emergency Medicine Physician for EM Specialists
Dr Vermillion is an emergency medicine physician for EM Specialists. His interest in emergency medicine began in medical school at the University of Cincinnati College of Medicine. He then went to SUNY Buffalo for his residency training and joined EM Specialists in the summer of 2015 to continue his practice. He grew up in the Dayton area his entire life and went to the University of Dayton where he was a 2 year letterman in football. He is very excited to be moving back to the area. Education: 2008, BS Biology, University of Dayton 2012, MD, University of Cincinnati Emergency Medicine Specialists is a Dayton-based, democratic group of engaged board certified emergency medicine physicians. Since 1981, we have been delivering care with compassion to patients in the Kettering Health Network. We are leaders in the "One Best Practice" initiative and standardization of throughput expectations. We also lead in patient experience among all network emergency departments.

Ciara A. Willis

Job Titles:
  • Board Eligible, Emergency Medicine
Education: 2013, Miami University, Bachelor in Zoology, Bachelor in Psychology, Minor in Neuroscience

Cori Luthman

Job Titles:
  • Physician Assistant
Education: 2021, Master of Physician Assistant Studies, Kettering College 2017, Bachelor of Science in Pre-Medicine, University of Dayton

Courtney Schroyer

Job Titles:
  • Physician Assistant
Education: Master of Physician Assistant Studies, Kettering College of Medical Arts, July 2018 Bachelor of Science, Lake Erie College, December 2015

Debra G. Edwards

Job Titles:
  • Assistant Medical Director, Kettering Health Troy
Dr. Edwards went into emergency medicine because it was an opportunity to positively impact people in emergent need. Her passion in emergency medicine is balancing emotion with the attention to detail required to care for her patients during critical situations. Emergency Medicine Specialists is a Dayton-based, democratic group of engaged board certified emergency medicine physicians. Since 1981, we have been delivering care with compassion to patients in the Kettering Health Network. We are leaders in the "One Best Practice" initiative and standardization of throughput expectations. We also lead in patient experience among all network emergency departments.

Douglas Bias

Job Titles:
  • Board Certified, Emergency Medicine
Education: 2017, Wright State University Boonshoft School of Medicine, Emergency Medicine Residency 2014, Wright State University Boonshoft School of Medicine, Doctor of Medicine

Dylan Smeyne

Job Titles:
  • Physician Assistant

Elizabeth Gannon

Job Titles:
  • Assistant Medical Director, Kettering Health Springfield
  • Emergency Medicine Physician With EM Specialists
Dr. Gannon is an emergency medicine physician with EM Specialists. Her interest in emergency medicine began after meeting her mentor, a fellow emergency medicine physician, during her graduate studies in public health. Dr. Gannon is excited to return to her hometown to help serve the medical needs of the citizens of the Dayton area.

Elizabeth Janevski

Job Titles:
  • Board Certified, Emergency Medicine
Education: Southern Adventist University, Loma Linda University School of Medicine

Emily Charnock

Job Titles:
  • Staff Accountant

Emily Grinalds

Job Titles:
  • Physician Assistant

Erin Dorn

Job Titles:
  • Physician Assistant
Education: 2022, Master of Physician Assistant Studies, Kettering College 2017, Bachelor of Science, Kentucky Wesleyan College

Francis A. Cortez

Job Titles:
  • Assistant Medical Director Greene Memorial
Dr. Cortez is a residency trained, board certified emergency physician that has been in active practice in the Dayton area for 17 years and serves an active role in physician leadership at Greene Memorial Hospital.

Francisco J Ramirez

Job Titles:
  • Board Certified, Emergency Medicine

George Kaiser

Job Titles:
  • Board Certified, Emergency Medicine
Dr. Kaiser is both a family practice and emergency physician who is proud to be a part of the EM Specialists team. He is dedicated to to the pursuit of medicine and to caring for the people in the community.

Heidi Oxentenko

Job Titles:
  • Physician Assistant

Jeffrey S. Robinson

Job Titles:
  • Board Certified, Emergency Medicine
Dr. Robinson started his career as a technician in the emergency department at Kettering Medical Center and has continued his career as a board certified emergency physician and part of the Emergency Medical Specialists team throughout the Kettering Health Network.

Jennifer Rai

Education: Dr. Zambales is a board-eligible emergency medicine physician who is dedicated to excellent patient care with interests in medical education, ultrasound, and global health development. She completed her BS in biology at the University of Texas Pan American, her MD at Loma Linda University, and emergency medicine residency training at Wright State University.

Jennifer Smith

Job Titles:
  • Credentialing Specialist

Jerry Thornberry

Job Titles:
  • Physician Assistant
Education: 2022, Mount Saint Joseph University, Master of Physician Assistant Studies 2018, University of Cincinnati, Bachelor of Science in Health Sciences

John Ewing

Job Titles:
  • Medical Director, Soin Medical Center
Dr. Ewing is a residency trained, board certified emergency physician that has been in active practice in the Dayton area with Emergency Medicine Specialists since completion of residency at The Ohio State University. His interest is in giving quality care for patients and utilizing emergency services to the best of his ability. Emergency Medicine Specialists is a Dayton-based, democratic group of engaged board certified emergency medicine physicians. Since 1981, we have been delivering care with compassion to patients in the Kettering Health Network. We are leaders in the "One Best Practice" initiative and standardization of throughput expectations. We also lead in patient experience among all network emergency departments.

John R. Corker

Job Titles:
  • Board Certified, Emergency Medicine
Dr. Corker is committed to providing competent, compassionate care for his patients, and to strengthening humanism and empathy in the practice of medicine. These interests are highlighted in his award-winning medical talk show, Radio Rounds ™, previously featured on Dayton NPR affiliate 91.3 WYSO and airing to its international audience online from 2009-2018. Archived podcasts are available for free at www.RadioRounds.org Dr. Corker is a proud graduate of the Wright State University Boonshoft School of Medicine, and completed his Emergency Medicine training in the busiest ER in America at Parkland Memorial Hospital in Dallas, TX. He spent the 2012-2013 academic year completing a health policy fellowship with the American Medical Association (AMA) in Washington DC, and continues to hold numerous leadership positions in organized medicine at the local, state and national levels. Personal: Dr. Corker enjoys his work in Health Policy and Medical Journalism, spending time with family and friends, the outdoors as well as his beloved St. Xavier Bombers and Notre Dame Fighting Irish.

Jonathan Vargas

Dr. Vargas has an extensive career in emergency medicine. He has had roles in resident education and emergency department administration prior to coming to Emergency Medicine Specialists.

Joshua Courlas

Job Titles:
  • Physician Assistant

Julie Williams

Job Titles:
  • Physician Assistant

Kara Jacomet

Job Titles:
  • Physician Assistant

Karen Yannekis - COO

Job Titles:
  • Director of Operations

Katelyn J. Lippert

Job Titles:
  • Board Certified, Emergency Medicine

Kimberly Pallanta-Baker - CFO

Job Titles:
  • Chief Financial Officer
Emergency Medicine Specialists is a Dayton-based, democratic group of engaged board certified emergency medicine physicians. Since 1981, we have been delivering care with compassion to patients in the Kettering Health Network. We are leaders in the "One Best Practice" initiative and standardization of throughput expectations. We also lead in patient experience among all network emergency departments.

Kimberly Turner

Job Titles:
  • Director, Recruitment & HR

Kristopher Milland

Job Titles:
  • Board Certified, Emergency Medicine

Krystle Torok

Job Titles:
  • Assistant Medical Director, Kettering Main

Mark Bustillo

Job Titles:
  • Board Certified, Emergency Medicine

Marni Teramana

Job Titles:
  • Medical Director, Kettering Transport Services

Matthew Freyhof

Job Titles:
  • Board Certified, Emergency Medicine
Dr. Freyhof began his career with Emergency Medicine Specialists. He has held several positions within the corporation. He has served as Assistant Medical Director at Good Samaritan Emergency Department, Director of Indu and Raj Soin Emergency Department and is now a member of the board of directors.

Matthew Huff

Job Titles:
  • Board Certified, Emergency Medicine

Matthew Kasher

Job Titles:
  • Assistant Medical Director, Kettering Health Franklin & Middletown

Matthew Kiefaber

Job Titles:
  • Medical Director, Kettering Health Franklin & Middletown

Maxwell Couch

Job Titles:
  • Physician Assistant

Megan Ferraioli

Job Titles:
  • Physician Assistant

Megan McCord

Job Titles:
  • Board Eligible, Emergency Medicine

Megan Yates

Job Titles:
  • Physician Assistant

Michael Dowler

Job Titles:
  • Medical Director, Kettering Health Huber & Preble

Michael W. Good

Job Titles:
  • Board Certified, Emergency Medicine

Michale Lakes

Job Titles:
  • Medical Director, Kettering Health Dayton

Mikhail Melaku

Job Titles:
  • Board Certified, Emergency Medicine

Milena Menchaca

Job Titles:
  • Physician Assistant

Monica Leusch

Job Titles:
  • Physician Assistant

Patrick Finnegan

Job Titles:
  • Board Certified, Emergency Medicine

Rachel Drake

Job Titles:
  • Physician Assistant

Rebecca Perry

Job Titles:
  • Board Certified, Emergency Medicine

Roy L. Johnson

Job Titles:
  • Board Certified, Emergency Medicine

Scott Balonier

Job Titles:
  • Assistant Medical Director, Soin

Seth Perry

Job Titles:
  • Board Certified

Stephanie Maus

Job Titles:
  • Medical Director, Kettering Main

Taylor Birch

Job Titles:
  • Physician Assistant

Theresa Foreman

Job Titles:
  • Assistant Medical Director, Kettering Health Huber & Preble

Thomas S. Proctor

Job Titles:
  • Board Certified, Emergency Medicine

Todd Barch

Job Titles:
  • Administrative Coordinator
Emergency Medicine Specialists is a Dayton-based, democratic group of engaged board certified emergency medicine physicians. Since 1981, we have been delivering care with compassion to patients in the Kettering Health Network. We are leaders in the "One Best Practice" initiative and standardization of throughput expectations. We also lead in patient experience among all network emergency departments.

Tyler Watson

Job Titles:
  • Board Certified, Emergency Medicine

Usman Asad

Job Titles:
  • Board Certified, Emergency Medicine

Valerie Moren

Job Titles:
  • Board Certified, Emergency Medicine

William Brady III - President

Job Titles:
  • President
Emergency Medicine Specialists is a Dayton-based, democratic group of engaged board certified emergency medicine physicians. Since 1981, we have been delivering care with compassion to patients in the Kettering Health Network. We are leaders in the "One Best Practice" initiative and standardization of throughput expectations. We also lead in patient experience among all network emergency departments.