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Our Physicians and Staff

Our Physicians and Staff
Our Team

Surgeons
Alfons Pomp, MD, FACS, FRCSC
Professor of Surgery
Chief, Division of Metabolic & Bariatric Surgery

Gregory F. Dakin, MD, FACS
Associate Professor of Surgery
Division of Metabolic & Bariatric Surgery

Cheguevara Afaneh, M.D.
Assistant Professor of Surgery
Division of Metabolic and Bariatric Surgery

Director of Research
Gladys Strain, PhD

Physician Assistant
Jessica Remstein, PAC

Registered Nurse
Shazia Khan, RN

Nutritionist
Liz Goldenberg, MPH, RD
Adiana Castro MS, RD, CDN
Lauren C. Kelly, MS, RD, CDN

Weight Loss Physicians
Lou Aronne, MD
Jonathan Waitman, MD
Rekha Kumar, MD
Leon Igel, MD
Katherine Saunders, MD

Clinical Psychologist
Rob Dobrenski, PhD
Stephanie Levey, PhD
Patty Matz, PhD

Research Coordinators
Faith Ebel MPH, RD

Medical Assistants
Kimberly Wu
Isha Kaur
Natasha Joseph

Receptionists
Natalie Rosario
Lena Emerson
Leidy Sanchez

Our Extended Care Team

Endocrinology
Melissa Katz, MD
Naina Sinha, MD

Gastroenterology
Arnon Lambroza, MD
Charles Maltz, MD
Charles Saha, MD
Felice Schnoll-Sussman, MD
Reem Z. Sharaiha, MD

Cardiology
Craig Warschauer, MD
Jeffrey Fisher, MD
Robert Campagna, MD

Cardiac Surgery
Leonard Girardi, MD

Hematology
Maria De Sancho, MD
Raymond Pastore, MD

Gynecological Surgery
Barry D. Shaktman, MD

Obstetrics and Gynecology
Amos Gruenbaum, MD
Robin Kalish, MD

Plastic Surgery
David Otterburn, MD
Jason Spector, MD
Mark Schwartz, MD

Pulmonology:
Dana Zappetti, MD

Neurology:
Nancy Nealon, MD

Hepatology:
Robert S. Brown, MD
Sonal Kumar, MD

Urogynecology:
Renuka Tyagi, MD


 
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New York-Presbyterian. The University Hospitals of Columbia and Cornell