Our Team 
 
 
 
 

David Ritter, MD - General Surgeon & Weight Loss Surgery Program Medical Director - has performed bariatric surgery for the Weight Loss Surgery Program since 1998. He is board certified by the American Board of Surgery and is a member of numerous medical organizations, including the American Society of Bariatric and Metabolic Surgeons. 

John K. Abbott, III, MD - General Surgeon -

 

Russ D. Birdwell, MDGeneral Surgeon - Board certified in general surgery by the American Board of Surgery and is a Fellow of the American College of Surgeons. He is also a member of the Texas Medical Association and the Alpha Omega Alpha Medical Honors Society.  Dr. Birdwell is trained in a wide range of procedures and has a special interest in laparoscopic surgery.

 

Christopher J. Cottrell, MDGeneral Surgeon, has five years experience in the Dallas area.  He is a member of numerous medical organizations, including the American Society of Bariatric Surgeons.  His interests include advanced laparoscopic procedures, endocrine surgery, wound care and weight-loss surgery. He is board certified in General Surgery and a Fellow of the American College of Surgeons.

Dr. Bassam J. Zakhour, MD - General Surgeon, has been in practice locally since 1988 and is board certified in general surgery by the American Board of Surgery.

John Curanovic, MD - Internal Medicine

 

Roberto Lopez, DO - Internal Medicine

 

Les Sandknop, DO - Internal Medicine

 

Robert F. Mehl, III, Ph.D. - Clinical Psychology

  

Mary Bachmyer, RD, LD, CDE - Dietician, Sandknop Family Practice

 

Tarina Balch, NRCMA - Weight-Loss Program Coordinator, Dr. John Abbott and Dr. David Ritter

 

Jana Grant - Weight-Loss Program Coordinator, Dr. Russ Birdwell and Dr. Chris Cottrell

 

Margaret Mancias - Weight-loss Program Coordinator, Dr. Bassam Zakhour

 

BJ Hundley, RN - Weight-Loss Surgery Program Educator, LPMC 

 

Bobby Montgomery - Weight-Loss Surgery Program Coordinator, LPMC