CENTER FOR SPINE & ORTHOPEDICS - Key Persons


Bonita Raty

Bonita Raty was an auto parts delivery driver for 20 years. Her job entailed lifting cases of oil, antifreeze, store catalogs and other auto-related items, weighing up to 60 pounds. Additionally, over the years, she took multiple falls in icy conditions, landing on her knees and hurting her back. Walking became more difficult and her…

Caleb Jennings

Job Titles:
  • Physician Assistant
Caleb Jennings, PA-C Physician Assistant Testimonials & Reviews Patient Stories | Healthgrades Profile Schedule an Appointment 303.287.2800 Licensed Physician Assistant As a licensed physician assistant, Caleb specializes in orthopedic and sports medicine and assisting with surgery. He also provides patient and family education. Caleb is a member of Physician Assistants in Orthopedic Surgery and the…

Christopher L. Isaacs

Job Titles:
  • Emeritus
  • Retired in May
Christopher L. Isaacs, DO, Emeritus General Orthopedic Surgeon and Sports Medicine Testimonials & Reviews Patient Stories | Healthgrades Profile Schedule an Appointment 303.287.2800 General Orthopedic Surgeon and Sports Medicine Dr. Chris Isaacs retired in May 2019 after practicing general orthopedics and sports medicine, trauma care and joint replacements for 34 years. He specialized in total… Dr. Chris Isaacs retired in May 2019 after practicing general orthopedics and sports medicine, trauma care and joint replacements for 34 years. He specialized in total knee and hip replacements. Dr. Isaacs was highly respected by his colleagues and patients alike.

Devin Jacobs

Job Titles:
  • Physician Assistant
As a licensed physician assistant, Devin joined the Center for Spine & Orthopedics after many years of working in the medical field. He has worked as an emergency department technician and is highly trained in various medical procedures. Devin is a member of the American Academy of Physician Assistants and Colorado Academy of Physician Assistants. Education MS, Stony Brook University BS, Metropolitan State College of Denver

Dr. Paul S. Leo

Job Titles:
  • Category Archives
Dr. Paul S. Leo is board-certified in anesthesiology and pain management. He applies a multi-disciplinary approach to pain management, which may combine therapies, medications and interventional procedures. Dr. Leo has performed thousands of procedures, including implantation of spinal cord stimulators and intrathecal pain pumps; radiofrequency and cryotherapy ablations; cervical and lumbar spinal injections (such as epidural steroids and facets); joint injections; trigger points; and dry needling. "Pain affects people differently, and my goal is to find the best solution to each person's problem," says Dr. Leo. Dr. Leo earned his medical degree at SUNY Downstate Medical Center in New York City. He went on to perform an anesthesia residency at New York City-based Mount Sinai School of Medicine, where he also completed a pain management fellowship. He has practiced in multiple settings, from Level 1 trauma centers to community-based pain clinics. Paul S. Leo, MD Board-Certified Anesthesiologist and Pain Management Specialist Testimonials & Reviews Patient Stories | Healthgrades Profile Schedule an Appointment 303.287.2800 Board-Certified Anesthesiologist and Pain Management Specialist Dr. Paul S. Leo is board-certified in anesthesiology and pain management. He applies a multi-disciplinary approach to pain management, which may combine therapies, medications and interventional procedures.… Dr. Paul Leo recently received praise from a customer that encapsulates what he is about in not only his work but with his patients. Dr. Leo is one of our Chronic Pain Management Specialists at the Center for Spine and Orthopedics. He continues to uphold an important reputation in our office as well as throughout…

Eric Kuhlman

Eric Kuhlman, DPM, AACFAS Board Certified Podiatrist & Foot and Ankle Surgeon Testimonials & Reviews Patient Stories | Healthgrades Profile Schedule an Appointment 303.287.2800 Board Certified and Fellowship-Trained Podiatrist Originally from Toledo, Ohio, Eric Kuhlman, DPM, joined the Center for Spine and Orthopedics in April 2017 after completing an Advanced Surgical Reconstructive Fellowship at the…

Ezra Levy

Job Titles:
  • Spine Surgeon Fellow
Ezra Levy, DO is an orthopedic surgeon who specializes in orthopedic spine surgery and will begin a one-year subspecialty spine surgery fellowship under the supervision of Dr. Michael Janssen and Dr. Jacob Rumley at the Center for Spine and Orthopedics. Dr. Levy also has experience and interest in general orthopedic surgery including fracture care, sports medicine, and arthroplasty. Dr. Levy completed his orthopedic surgery residency at the Community Memorial Health System Orthopedic Surgery Residency in Southern California after earning his medical degree at William Carey University in Mississippi. Prior to medical school, Dr. Levy received his undergraduate degree from Boston University and then spent two years in New York City and the Mount Sinai School of Medicine where he participated in research and publications in the field of pediatric metabolic disorders. Dr. Levy originally hails from Minneapolis, MN and is a fan of all MN sports teams including the Vikings, Twins, Timberwolves and the Wild. In his free time Dr. Levy enjoys the outdoors, especially skiing, golfing, fishing and spending time with his future wife Kristen and their golden retriever Link. Ezra Levy, DO Spine Surgeon Fellow Testimonials & Reviews Patient Stories Schedule an Appointment 303.287.2800 Board-certified Orthopedic Surgeon & Spine Surgeon Fellow Ezra Levy, DO is an orthopedic surgeon who specializes in orthopedic spine surgery and will begin a one-year subspecialty spine surgery fellowship under the supervision of Dr. Michael Janssen and Dr. Jacob Rumley…

George A. Leimbach

George A. Leimbach, MD Physiatrist Testimonials & Reviews Patient Stories | Healthgrades Profile Schedule an Appointment 303.287.2800 Physiatrist (Physical Medicine and Rehabilitation) Board certified by the American Board of Physical Medicine and Rehabilitation, Dr. Leimbach joined the Center for Spine & Orthopedics team in January 2009. He has 28 years of experience in diagnosing and…

Jacob Rumley

Dr. Rumley's military service includes deployment with the 31st CSH Camp in support of Operation Spartan Shield. He earned the Meritorious Service Medal, three Army Commendation Medals and four Army Achievement Medals. As an orthopedic surgeon, he provided team coverage for the 3rd Ranger Battalion and the Ranger Training Battalion. Jacob Rumley, DO Fellowship-trained Spine Surgeon Testimonials & Reviews Healthgrades Profile | Patient Stories Schedule an Appointment 303.287.2800 Board-certified Orthopedic Surgeon & Fellowship-trained Spine Surgeon Dr. Rumley earned his Doctor of Osteopathic medicine degree from Kansas City University of Medicine and Biosciences in Kansas City, Missouri. He completed an orthopedic surgery residency at Madigan Army…

Jacqueline Carbone

Job Titles:
  • Nurse Practitioner
Jacqueline Carbone, AGACNP-BC, CNS, PMHNP, MSN Licensed Nurse Practitioner Testimonials & Reviews Patient Stories | Healthgrades Profile Schedule an Appointment 303.287.2800 Nurse Practitioner Jacqueline Carbone is a highly experienced acute care nurse practitioner that specializes in the holistic care of people with chronic pain. She is licensed in Colorado and board-certified by the American Nurses… Jacqueline Carbone is a highly experienced acute care nurse practitioner that specializes in the holistic care of people with chronic pain. She is licensed in Colorado and board-certified by the American Nurses Credentialing Center. Jacque earned two master's degrees-one in acute care/geriatric nursing and one as a clinical specialist in geriatrics-from Georgetown University. She is certified in counseling chronic pain patients. She has cared for orthopedic, geriatric cardiology, acute and intensive care patients in hospitals, clinics, and private practice. Jacque joined the Center for Spine and Orthopedics in September 2018. She works collaboratively with Dr. George Leimbach and Dr. Paul Leo to achieve the best possible patient outcomes.

Katherine Weisenborn

Job Titles:
  • Physician Assistant
Katherine Weisenborn, PA-C Physician Assistant Testimonials & Reviews Patient Stories | Healthgrades Profile Schedule an Appointment 303.287.2800 Licensed Physician Assistant Kate specializes in physical examinations, surgical assistance and providing patient and family education. She is a member of the American Academy of Physician Assistants. License Certified Physician Assistant, DORA, Colorado Certified Physician Assistant, New Mexico…

Lance Jackson

Job Titles:
  • Nurse Practitioner
  • Family Nurse Practitioner
Lance Jackson is an experienced family nurse practitioner that specializes in the holistic care of people with chronic pain. He is licensed in Colorado and board-certified by the American Nurses Credentialing Center. Lance earned his master's degree as a family nurse practitioner from Maryville University. He has cared for orthopedic, cardiology, acute and intensive care patients in hospitals, clinics, and private practice. Upon completion of his master's degree, Lance joined the Center for Spine and Orthopedics in September 2021 as part of the Nurse Practitioner Fellowship Program where he devoted additional training to pain management, orthopedic evaluation, spine evaluation, and podiatry practice. Through this concentrated course of education, research, clinical and surgical experience, Lance garnered expertise in these areas. He works collaboratively with Dr. George Leimbach and Dr. Paul Leo to achieve the best possible patient outcomes. In addition to the above, Lance specializes in physical examinations, procedure assistance, and providing patient and family education to orthopedic patients. He works with Dr. Eric Kuhlman, foot and ankle specialist, to ensure each patient gets the expertise they need for optimal outcomes. Lance Jackson, FNP-BC Family Nurse Practitioner Testimonials & Reviews Patient Stories | Healthgrades Profile Schedule an Appointment 303.287.2800 Licensed Family Nurse Practitioner Lance Jackson is an experienced family nurse practitioner that specializes in the holistic care of people with chronic pain. He is licensed in Colorado and board-certified by the American Nurses Credentialing Center. Lance…

Larry Smith

Larry Smith was bedridden when he first visited Dr. Paul Leo in the spring of 2000. His pain began with a running injury that led to plantar fasciitis, later triggering fibromyalgia. The condition initially started in his feet and later spread to his hands. By the time he saw Dr. Leo, he could only sit…

Michael Cain

Job Titles:
  • Orthopedic Surgeon and Fellowship - Trained Sports Medicine Specialist
Michael Cain, MD Orthopedic Surgeon and Fellowship-trained Sports Medicine Specialist Testimonials & Reviews Patient Stories | Healthgrades Profile Schedule an Appointment 303.287.2800 Orthopedic Surgeon & Orthopedic Sports Medicine Specialist Michael Cain, MD is a fellowship trained orthopedic surgeon specializing in sports medicine, shoulder arthroplasty, and knee arthroplasty. Originally from Atlanta, GA, Dr. Cain is a… Michael Cain, MD is a fellowship trained orthopedic surgeon specializing in sports medicine, shoulder arthroplasty, and knee arthroplasty. Originally from Atlanta, GA, Dr. Cain is a graduate of the Georgia Institute of Technology where he studied Biomedical Engineering with a minor in Aerospace Engineering. He obtained his medical degree from the Medical College of Georgia in Augusta, GA, where he also completed his orthopedic surgery residency. He went on to complete an orthopedic sports medicine fellowship at Houston Methodist Hospital in Houston, TX under Dr. David Lintner, working with the Houston Astros, Houston Rockets, Houston Texans, and Houston Dynamo. He also worked extensively with Rice University during his year in Houston. Dr. Cain has published on topics ranging from revision total shoulder arthroplasty to repair techniques for hamstring avulsions.

Michael E. Janssen - Founder

Job Titles:
  • Founder
  • Board Certified Spine Surgeon
  • Spine Surgeon
Michael E. Janssen, DO Board Certified Spine Surgeon Testimonials & Reviews Patient Stories | Patient Reviews View Dr. Janssen's CV Schedule an Appointment 303.287.2800 Board Certified Spine Surgeon CSO founder Dr. Michael Janssen was among the first surgeons in the nation to perform total disc replacement (TDR). He participated in initial clinical studies and has…

Monroe I. Levine

Job Titles:
  • Emeritus
Monroe I. Levine, MD Emeritus Board Certified Orthopedic Surgeon Schedule an Appointment 303.287.2800 Board Certified Orthopedic Surgeon Dr. Levine retired as the Chief of Orthopedic Surgery from the Medical College of Georgia in April, 2002, and serves as Professor Emeritus. He is a Board Certified Orthopedic Surgeon specializing in degenerative spine disorders, spinal deformities, trauma,…

Oscar F. Noel IV

Job Titles:
  • Surgeon
  • Orthopedic Surgeon & Orthopedic Sports Medicine Specialist
  • Orthopedic Surgeon and Fellowship - Trained Sports Medicine Specialist
Oscar F. Noel IV, DO Orthopedic Surgeon and Fellowship-trained Sports Medicine Specialist Testimonials & Reviews Patient Stories | Healthgrades Profile Schedule an Appointment 303.287.2800 Orthopedic Surgeon & Orthopedic Sports Medicine Specialist Dr. Noel specializes in sports medicine, arthroscopic surgery, joint replacement of the knee, hip and shoulder, general orthopedics and orthopedic trauma care. Dr. Noel… Dr. Noel is the fourth orthopedic surgeon in his family, so he likes to say that orthopedics is in his DNA. He takes pride in caring for his patients and believes in personalized care and shared decision making. He does his best to make patients feel comfortable and fully informed so that they can make the best decision possible. His Christian faith is an extremely important part of his life and an integral part of his practice philosophy: to always do what is right for the patient. As a Colorado native, Dr. Noel is delighted to be back in his home state with his wife and their new daughter. In his spare time, he enjoys spending time with his family and friends, skiing, golfing, playing tennis, hunting, fishing, and hiking.

Rachel J. Cengia

Job Titles:
  • Physician Assistant
Rachel J. Cengia, PA-C Physician Assistant Testimonials & Reviews Patient Stories | Healthgrades Profile Schedule an Appointment 303.287.2800 Licensed Physician Assistant Rachel is a licensed physician assistant with a master's degree in biomedical sciences (physician assistant training). She specializes in spine care. She is also certified in BioTE® bioidentical hormone replacement pellet therapy to optimize…

Ruth Beckham

Job Titles:
  • Emeritus
Ruth Beckham, RN, MSN, APN, Emeritus Licensed Nurse Practitioner Testimonials & Reviews Patient Stories | Healthgrades Profile Schedule an Appointment 303.287.2800 Licensed Nurse Practitioner As a board certified, licensed nurse practitioner, Ruth specializes in spine care, surgical assistance and patient and family education. She is a member of the North American Spine Society and American…