Obesity Medicine Specialists

Silvana Obici, MD


Silvana Obici, MD FTOS Chief, Division of Endocrinology, Professor of Medicine

Dr. Obici is an internal medicine physician and serves in a dual role for our bariatric program, working with our patients and our team as both an endocrinologist, and an obesity medicine specialist. 

As an obesity medicine specialist, Dr. Obici works with patients who are interested in medical weight loss, providing clinical care and guidance in the use of weight loss medications.  As an endocrinologist, Dr. Obici provides consultations and treatment for individuals with disorders of the endocrine system such as diabetes, and metabolic disease. Both specialties uniquely qualify Dr. Obici with the expertise to meet the clinical needs of patients enrolled in the bariatric and metabolic weight loss center. 

Dr. Obici has advanced training and certification in obesity medicine, achieving distinction as a Fellow of the Obesity Society (FTOS).  She is an integral member of the Bariatric and Metabolic Weight Loss Center working collaboratively with the members of the team.


Pollytia I Panagiotou, MD


Pollytia I Panagiotou, MD Internal and Obesity Medicine

Dr. Panagiotou is a board-certified Internal Medicine physician with added training and board certification in Obesity Medicine

She received her undergraduate degree in Psychology from Montclair State University and her medical degree from St. George’s University School of Medicine. She then completed her residency in Internal Medicine at Overlook Medical Center. 

Dr. Panagiotou approaches obesity with a comprehensive medical approach; treating the whole patient rather than just the disease. Based on each patient’s unique medical history she utilizes medications, behavioral counseling, and lifestyle changes best suited for that patient allowing them to reverse many chronic conditions brought on by obesity and helping them achieve a healthy and safe weight.


Dr. Sinha


Ghazal Sin​ha, MD Family, Population & Preventive Medicine, Clinical Assistant Professor

Dr. Sinha is a Board-Certified Family Medicine Physician with additional training and board certification in Obesity Medicine.

As a primary care physician, Dr. Sinha helps her patients in the prevention and treatment of chronic diseases.  Dr. Sinha uses her knowledge and clinical experience to assist patients in the management of Obesity using medications, lifestyle changes and thus help in preventing the other resultant chronic diseases. 

Dr. Sinha did residency in Family Medicine from the University of Minnesota Medical Center in the twin cities, MN. Prior to coming to Stony Brook, Dr. Sinha has practiced in MI and Bronx, NY where she was the clinical director at a Federally Qualified Health Center.