Bone Health (Orthopedics)
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Team and Physicians

At the St.Vincent Spine Center, we are committed to providing extraordinary individualized care for you and your family. Your care team is made up of many players--some of whom you will see every day and some who work behind the scenes. It takes a lot of people working together to help you regain your ability to participate more fully in life!

All of our spine surgeons are board certified, and our surgical staff of nurses and operating room technicians have been specially trained.

The following personnel are involved in your care:

  • Spine Surgeon
  • Nationally Certified Nurses (CSs)
  • Acute Pain Service Anesthesiologists
  • Pain Management Specialist
  • Pharm.D. (Doctor of Pharmacy)
  • Clinical Supervisors (RN)
  • Case Manager (RN)
  • Physical Therapist

John W. Arbuckle, MD

Board Certified
Anesthesiology & Pain Management 

John W. Arbuckle, M.D., received his medical degree from Indiana University School of Medicine where he also completed his residency in anesthesiology. Dr. Arbuckle is a specialist in interventional pain management and is board certified in anesthesiology and pain management… Read more 

Michael F. Coscia, MD

Board Certified
Spine Surgery, Orthopedic Surgery 

Dr. Coscia graduated from the University of Notre Dame in 1977 and was named a Notre Dame Scholar. He graduated from Bowman Gray School of Medicine in Winston-Salem, North Carolina in 1981. Dr. Coscia completed… Read more 

John W. Dietz, Jr., MD

Board Certified by the American Board of Orthopaedic Surgery 

Dr. Dietz graduated from the United States Military Academy at West Point in 1979 with a concentration in civil engineering as a distinguished scholar. He graduated from Duke University School of Medicine in… Read more 

Christopher Doran, MD

Board Certified
Anesthesiology 

Chris Doran, M.D., received his medical degree from University of Illinois School of Medicine. He did his residency in anesthesiology at Washington University in St. Louis. He went on to complete a fellowship in pain management at Northwestern University in Chicago...Read more 

James W. Hardacker, MD

Orthopedic Spine Surgeon
Medical Director St.Vincent Carmel Spine Center 

James W. Hardacker, M.D., received his medical degree from The State University of New York Buffalo School of Medicine & Biomedical Sciences, where he also completed his internship in general surgery and his residency in orthopedic surgery.  

Robert J. Huler, MD

Board Certified
Orthopedic Surgeon 

Dr. Huler is a Board Certified Orthopaedic Surgeon with a subspecialty practice limited exclusively to the diagnosis and treatment of spinal disorders. Dr. Huler examines over 3,000 patients and performs 400 major spine surgeries each… Read more 

Gabriel E. Jackson, MD

Board Certified
Orthopedic Surgeon,Spine 

Born and raised in Indiana, Dr. Gabriel Jackson is a graduate of Ben Davis High School, and received his undergraduate degree from Indiana University in 1996. After receiving his medical degree from Indiana University School of Medicine in 2001, he completed his… Read more 

Thomas J. Leipzig, MD

Board Certified
Neurological Surgeon 

Thomas J. Leipzig, M.D., received his bachelor’s degree from the University of Notre Dame, graduating Summa Cum Laude. He received his medical degree from the University of Chicago Pritzker School Of Medicine where he was elected into the Alpha Omega Alpha medical honor society. He completed his… Read more 

Kevin E. Macadaeg, MD

Board Certified
Anesthesiology & Pain Medicine 

Kevin E. Macadaeg, M.D., received his medical degree from Wayne State University in Detroit, and completed his anesthesiology residency at State University of New York in Syracuse. Dr. Macadaeg specializes in spinal diagnostic and therapeutic procedures, and is board certified in… Read more 

Jean-Pierre Mobasser, MD

Board Certified
Spine Surgeon 

Jean-Pierre Mobasser, M.D., received his medical degree from the Medical College of Georgia and completed his residency and fellowship in complex spine surgery at the University of Tennessee College of Medicine. Dr. Mobasser is a board certified spine surgeon with… Read more 

Eric A. Potts, MD

Board Certified
Neurological Surgeon
Co-Director of St.Vincent Spine Center 

Eric A. Potts, M.D., received his bachelor’s degree from the University of Pennsylvania, and his medical degree from the Indiana University School of Medicine. He completed his internship and residency in neurological surgery at the University of Maryland in Baltimore… Read more 

Philip W. Pryor, MD

Board Certified
Spine Surgeon 

Philip W. Pryor, M.D., received his medical degree from Indiana University School of Medicine and completed his Spine Surgery fellowship at State University of New York at Buffalo. Dr. Pryor’s practice focus is Complex Spinal Reconstruction (Cervical, Lumbar, Thoracic)… Read more 

David M. Ratzman, MD

Board Certified Pain Medicine
Board Certified Pain Management
Board Certified Anesthesiology 

David M. Ratzman, M.D., received his medical degree from the Indiana University School of Medicine and completed his residency in Anesthesiology and his fellowship in Pain Management/Pain Medicine at the Indiana University Medical Center. Dr. Ratzman specializes in the evaluation… Read more 

Kenneth L. Renkens, MD

Board Certified
Neurological Surgeon 

Kenneth L. Renkens, M.D., received his medical degree from Boston University School of Medicine. After an internship in general surgery at Boston University Hospital, he completed his residency in neurosurgery at Tufts-New England Medical Center in Boston. He received additional training… Read more 

Carl Sartorius, MD

Board Certified
American Board of Neurological Surgery
Chairman of Neurological Surgery at St.Vincent Hospital 

Dr. Carl Sartorius received his medical degree from Indiana University, and completed his internship, residency and fellowship in Neurological Surgery at the Indiana University Medical Center. Dr. Sartorius is a board certified Neurological Surgeon specializing in adult spinal surgery… Read more 

Rick C. Sasso, MD

Board Certified Spine Surgeon
Medical Director St.Vincent Spine Center 

Rick C. Sasso, M.D., received his medical degree from Indiana University School of Medicine and completed his residency at the University of Texas Medical School in Houston. In addition, he completed three spinal surgery fellowships at Northwestern University in Chicago… Read more 

David G. Schwartz, MD

Board Certified
Orthopaedic Surgery
Spinal Surgery 

Dr. Schwartz graduated cum laude from Indiana University in 1983. He attended medical school at Loyola University in Chicago, Illinois and graduated in 1988… Read more 

Jose Vitto, MD

Board Certified
Anesthesiology 

Jose Vitto, M.D., received his medical degree from Universidad De Los Andes in Merida, Venezuela. He did his general surgery internship and a residency in anesthesiology at Indiana University School of Medicine. He went on to complete a fellowship in interventional pain management at the Indiana University Hospital Pain Clinic...Read more 

Derron Wilson, MD

Board Certified
Anesthesiology & Pain Management 

Derron Wilson, M.D., received his medical degree from Indiana University School of Medicine where he also completed his residency in anesthesiology. He went on to complete a fellowship in pain management at IU....Read more 




Additional Resource

Indiana Orthopaedic Hospital 



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