Rajeev Vohra, MD
Director, Minimally Invasive and Bariatric Surgery
Dr. Vohra is Director of Minimally Invasive and Bariatric Surgery at South Nassau's Center for Weight and Life Management. He completed his medical education in India and his postdoctoral training at New York University Medical Center. He has also served as Assistant Professor in Surgery at Mount Sinai School of Medicine. Dr. Vohra is a member of the American College of Surgeons and the Society of American Gastrointestinal and Laparoscopic Surgeons.           

Gregory Nishimura, MD
Bariatric Surgeon
Dr. Nishimura attended medical school at Hahnemann University in Philadelphia, Pa. Additionally, Dr. Nishimura completed his surgical residency at Nassau County Medical Center and is a board-certified laparoscopic surgeon. Dr. Nishimura performs the LAP-BAND^®, Roux-en-Y surgeries, sleeve gastrectomies and other laparoscopic procedures. He is a member of the American Society of Bariatric Physicians, American Obesity Association and Obesity Action Coalition.

Kristine Cruz, MD
Board-Certified Obesity Physician

Robin Huang, MD
General Surgeon

Gabe Becchinelli, PA
Becchinelli has extensive experience as a Surgical Physician Assistant. He has been with South Nassau Communities Hospital since 2005 and is one of the most experienced PAs nationwide for LAP-BAND^® adjustments and follow-ups. He is a graduate of St. John's University.

J. Comcowich, PhD
Psychologist

Michael Houston, MD
Anesthesiologist

Danielle Solomon, RD, CDE
Solomon has been a registered dietitian since 1992. She has specialized in bariatric weight loss management, including the OPTIFAST^® program. Since 2001, she has worked closely with our bariatric patients, helping them along their weight loss surgery journey from the moment they arrive at our offices and throughout the entire process, encouraging them to stay on track. She is a graduate of C.W. Post College with a B.S. in nutrition, and she interned at Cornell Medical Center.

Jill Siegel-Loiacono, MS, RD, CDN
Siegel-Loiacono has been a registered dietitian since 1991. She has specialized in bariatric weight loss management, including medically supervised nutritional weight loss. She holds a bachelor’s degree in nutrition from State University of New York at Oneonta and a master’s degree in nutrition from C.W. Post College.

Judy Summers, PA-C
Bariatric Coordinator

Alison Singer
Bariatric Patient Liaison

Maryann Simonetti
Program Assistant

Gail Kryshtalsky
Office Manager

Kim Libal
MBS Clinical Reviewer/Medical Assistant