Dr. Grewal

is an ABIM board-certified internal medicine physician, Assistant Professor of Medicine at the Hofstra-NSLIJ School of Medicine, and has admitting privileges at  Lenox Hill Hospital, North Shore University Hospital, and Long Island Jewish Hospital. Paul received his B.A. in cellular and molecular neuroscience from Johns Hopkins University and his M.D. from Rutgers – New Jersey Medical School.

He believes that the cornerstone of medicine is a close professional relationship with a patient- the kind that can be developed through time and consistent care.

Having successfully battled obesity himself, Dr. Grewal has special interest in helping his patients with weight loss, nutrition, exercise, hormone optimization, and reversing diseases like Metabolic Syndrome and Type 2 Diabetes using diet and exercise.


  • Weight Loss
  • Nutrition
  • Paleo and Low-Carb Diets
  • Complex Medical Management
  • Home Visits
  • Hospital Care
  • Hormone Optimization


B.A. Johns Hopkins University, 2004
M.D. Rutgers – New Jersey Medical School, 2010
Residency in Internal Medicine – Hofstra North Shore-LIJ Health System

Professional Memberships

American College of Physicians (ACP)
Society of Hospital Medicine (SHM)