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UNC Health Alliance Board Members

Physician leadership and governance is the foundation of UNC Health Alliance. UNC Health Alliance is governed by an independent Board of 22 members, of which 11 are independent community physicians and 11 are employed physicians or executives of UNCHC. In addition to the Board, a dedicated, physician-led executive team manages day-to-day operations and assists with decision-making.


David Bouska, MD

Specialty:
Family Medicine
Title:
Clinician; Executive Medical Director for UNC Regional Physicians
Affiliation:
UNC Regional Physicians, High Point Regional Hospital
Bio:
Dr. Bouska completed his medical degree at the University of Nebraska School Of Medicine in 1990. He completed his residency at Moses Cone Memorial in Greensboro, NC. Dr. Bouska joined UNC Regional Physicians Family Medicine at Adams Farm and is board-certified in Family Medicine and has been in practice for 25 years.

Steve Burriss, MBA

Title:
President of Rex Healthcare
Affiliation:
Rex Healthcare
Bio:
Burriss joined Rex Healthcare in 1998 as Director of Human Resources and was later promoted to Vice President of Human Resources. Other roles within Rex Healthcare include Senior Vice President of Operations and Ambulatory Services, managing a variety of areas, followed by Chief Operating Officer. Burriss earned a Bachelor of Science degree in Business and an MBA from Marshall University
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Hadley Callaway, MD

Specialty:
Orthopaedic Surgery, Orthopaedic Sports Medicine
Title:
Clinician
Affiliation:
Raleigh Orthopaedic Clinic
Bio:
Dr. G. Hadley Callaway received his medical degree from Harvard Medical School and completed both his residency and fellowship at Cornell University’s Hospital for Special Surgery. Dr. Callaway joined Raleigh Orthopaedic Clinic in 1994 and specializes in shoulder, knee & arthroscopic surgery. He is board-certified and fellowship-trained in shoulder surgery and sports medicine

Donna Capps, MD

Specialty:
Family Medicine
Title:
Clinician
Affiliation:
Horizon Family Medicine
Bio:
Dr. Capps received her medical degree from University of North Carolina at Chapel Hill School of Medicine in 2000. Her Family Practice residency was completed at Hendersonville Family Practice in Hendersonville, NC. She is board certified in Family Medicine and is a member of the American Academy of Family Physicians.

Allen Daugird, MD, MBA

Specialty:
Family Medicine
Title:
President of UNC Physicians; Chief Value Officer for UNC Health Care
Affiliation:
UNC Health Care
Bio:
Dr. Allen Daugird is the President of UNC Physicians, which includes UNC Faculty Physicians, UNC Physicians Network, and physician practices at UNC Health Care's Affiliate Hospitals. Prior roles at UNC include Co-Director of the UNC Family Medicine Center, Vice-Chair of the Department of Family Medicine, and Medical Director and Sr. Vice President of Ambulatory Care. He is a graduate of UNC School of Medicine and the University of Missouri Family Medicine residency.

Abigail DeVries, MD

Specialty:
Family Medicine
Title:
Clinician; Medical Director of Piedmont Health
Affiliation:
Piedmont Health Services
Bio:
Dr. DeVries is a family medicine physician in Carrboro, North Carolina. She received her medical degree from University of North Carolina at Chapel Hill School of Medicine in 2002 and completed her residency at Memorial Hospital of Rhode Island. Dr. DeVries has been in practice for 10 years and is board certified in Family Medicine. She has been the medical director since 2013.

Chris Ellington, MBA

Title:
President of UNC Health Care Network Hospitals; Executive Vice President & Chief Financial Officer of UNC Hospitals at Chapel Hill
Affiliation:
UNC Health Care
Bio:
Prior to his current roles, Ellington also served as the principal fiscal leader for UNC Health Care’s system affiliations. Before joining UNC in 2008, Ellington was vice president of fiscal services and chief financial officer for Appalachian Regional Healthcare based in Lexington, Kentucky. He is an advanced member of the Healthcare Financial Management Association and serves on the Board of the NC Hospital Association. Ellington earned his B.S. in accounting from Clemson University and his MBA from the University of Phoenix.

Erin Ennis, MD  

Specialty:
Family Medicine
Title:
Clinician
Affiliation:
UNC Physician’s Network
Bio:
A Raleigh, NC native, Dr. Ennis completed her medical degree at the University of North Carolina at Chapel Hill School of Medicine in 2007. She completed her residency at Moses Cone Hospital in Greensboro, NC where she also served as chief resident. Dr. Ennis joined Garner Family Practice in 2010 and is board-certified in family medicine. Dr. Ennis enjoys women’s health, preventive medicine, chronic disease management, and treating children and adolescent patients.

Mark Gwynne, DO

Specialty:
Family Medicine
Title:
Clinician; Director, UNC Family Medicine Center
Affiliation:
UNC Health Care
Bio:
Dr. Gwynne completed his medical degree at the Nova Southeastern University College of Osteopathic Medicine in 2001. He completed his residency at University of North Carolina at Chapel Hill. Dr. Gwynne is board-certified in Family Medicine and has been in practice for 14 years.

Douglas Hammer, MD, PhD

Specialty:
Family Medicine & General Preventive Medicine
Title:
Clinician
Affiliation:
Blue Ridge Family Physicians
Bio:
Dr. Hammer earned his undergraduate (1958) and medical (1962) degrees from Tufts University and his master's and doctorate degrees in Public Health from Harvard University. Dr. Hammer interned at the Veterans Administration Center in Los Angeles and was a U.S. Public Health Officer at the University of Southern California Medical School Department of Pediatrics and Infectious Disease. He also served a residency in preventive medicine at the Harvard School of Public Health.

Vicki Herriott, MD

Specialty:
Pediatrics
Title:
Clinician
Affiliation:
Jeffers, Mann, and Artman Pediatric & Adolescent Med
Bio:
Dr. Victoria Herriott received her medical degree from the University of North Carolina at Chapel Hill School of Medicine in 1999. She completed her pediatric residency at Vanderbilt University Medical Center in Nashville, Tenn. Dr. Herriott is board certified in Pediatrics and is a member of the American Academy of Pediatrics. She has been in practice for 16 years.

Kenneth Michau, MD

Specialty:
Emergency Medicine
Title:
Clinician
Affiliation:
Rex Emergency Medicine Associates
Bio:
Dr. Kenneth Michau II is an emergency medicine doctor in Raleigh, North Carolina and is affiliated with Rex Hospital. He received his medical degree from the Ohio State University College of Medicine in 1996 and completed his residency there as well. Dr. Michau has been in practice for 16 years and is board certified in Emergency Medicine.

Bill Newman, MD

Specialty:
Cardiology
Title:
Clinician
Affiliation:
Rex Healthcare, NC Heart & Vascular
Bio:
Dr. William Newman completed his medical degree at Duke University in 1978 and completed his residency and fellowship at Duke University as well. Dr. Newman has been in practice for 32 years and is board-certified in Internal Medicine.

Rig Patel, MD

Specialty:
Gastroenterology
Title:
Clinician
Affiliation:
Digestive Healthcare
Bio:
Dr. Patel graduated from the University of London in 1989 with a MBBS (MD equivalent) degree. He completed his internal medicine residency through the University of Virginia and his fellowship at the University of Iowa. He is board certified in Internal Medicine and Gastroenterology. In addition to serving as president of Digestive Healthcare, Dr. Patel has served as the president of the medical staff at Rex Hospital, as well as chair of both the Medical Executive Committee and the Performance Improvement Committee.

Raj Pruthi, MD

Specialty:
Urology
Title:
Clinician; Chair-Department of Urology; Professor of Urology
Affiliation:
UNC Health Care
Bio:
Dr. Pruthi completed his medical degree at Duke University in 1992 and completed his residencies and fellowship at Stanford University. Dr. Pruthi has been in practice for 23 years and is board-certified in Urology.

Mike Steiner, MD, MPH

Specialty:
Pediatrics
Title:
Clinician; Chief of the Division of Pediatrics & Adolescent Medicine; Associate Professor of Pediatrics-UNC School of Medicine
Affiliation:
UNC Health Care
Bio:
Dr. Steiner completed his medical degree at Temple University in 1998. Dr. Steiner has been in practice for 17 years and is board-certified in Pediatrics

Jerry Stirman, MD

Specialty:
General Surgery, Gastrointestinal Surgery
Title:
Clinician; Chair-Rex Surgical Specialists
Affiliation:
Rex Healthcare
Bio:
Dr. Stirman completed his medical degree at the University of Texas Medical Branch in Galveston in 1974 and completed his residency at the University of Oklahoma Health Sciences Center. Dr. Stirman has been in practice for 36 years and is board-certified in Surgery. He has a special interest in the application of robotics in general surgery.

Robert Wehbie, MD, PhD

Specialty:
Infectious Disease, Medical Oncology
Title:
Clinician
Affiliation:
Rex Healthcare
Bio:
Dr. Wehbie completed his medical degree at University of Wisconsin-Madison in 1988 and completed his residency and fellowships at UNC Health Care. Dr. Wehbie has been in practice for 27 years and is board-certified in Infectious Disease and Medical Oncology. Dr. Wehbie helped start Rex Cancer Center of Wakefield.

Michael Zarzar, MD

Specialty:
Psychiatry
Title:
Clinician
Affiliation:
Zarzar Psychiatric Associates PLLC
Bio:
A native of North Carolina, Dr. Zarzar completed his medical degree at the University of North Carolina at Chapel Hill in 1984 and completed his residency in Psychiatry at the Medical University of South Carolina where he served as chief resident, and was on faculty for three years after his residency.  Dr. Zarzar has been in private practice since 1990.  He also holds an appointment at UNC in the Department of Psychiatry.  He is board certified in Psychiatry and is a Distinguished Fellow of the American Psychiatric Association.

There are five core committees composed primarily of physicians, which contribute to the core functions of UNC Health Alliance:

  1. Performance Metrics and Quality
  2. Payer Strategy & Contracting
  3. Professional Standards & Credentialing
  4. Care Transformation
  5. IT & Analytics.
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