Photo of Lee Michael Kaplan, MD, PhD

Lee Michael Kaplan, MD, PhD

  • Director, MGH Weight Center


Accepting New Patients: Call for Availability





Centers & Specialties

Digestive Healthcare Center

Clinical Interests
  • Hepatitis
  • Liver disease
  • Obesity medicine
  • GI endocrine tumors
Medical Education
  • MD, Yeshiva University
  • PhD, Yeshiva University
  • Residency, Massachusetts General Hospital
  • Fellowship, Massachusetts General Hospital
Board Certifications
  • Gastroenterology
  • Internal Medicine
  • Boston: Massachusetts General Hospital
Insurances Accepted
  • Aetna Health Inc.
  • Beech Street
  • Blue Cross Blue Shield - Blue Care 65
  • Blue Cross Blue Shield - Indemnity
  • Blue Cross Blue Shield - Managed Care
  • Blue Cross Blue Shield - Partners Plus
  • Centene/Celticare
  • Cigna (PAL #'s)
  • Fallon Community HealthCare
  • Great-West Healthcare (formally One Health Plan)
  • Harvard Pilgrim Health Plan - ACD
  • Harvard Pilgrim Health Plan - PBO
  • Health Care Value Management (HCVM)
  • Humana/Choice Care PPO
  • Medicaid
  • Medicare
  • Medicare - ACD
  • Neighborhood Health Plan - ACD
  • Neighborhood Health Plan - PBO
  • OSW - Maine
  • OSW - New Hampshire
  • OSW - Rhode Island
  • Private Health Care Systems (PHCS)
  • Railroad Medicare
  • Senior Whole Health
  • TriCare
  • Tufts Health Plan
  • Unicare
  • United Healthcare (non-HMO) - ACD
  • United Healthcare (non-HMO) - PBO
Patient Age Group

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News & Events

  • Mass. General study suggests that medication could improve gastric bypass results

    New findings about the mechanisms involved – or not involved – in the effects of the most common form of bariatric surgery suggest that combining surgery with a specific type of medication could augment the benefits of the procedure.

  • Gene variant appears to predict weight loss after gastric bypass

    MGH researchers have identified a gene variant that helps predict how much weight an individual will lose after gastric bypass surgery, a finding with the potential both to guide treatment planning and to facilitate the development of new therapeutic approaches to treating obesity and related conditions like diabetes.

  • Changes in gastrointestinal microbes may produce some benefits of gastric bypass

    Changes in the microbial population of the gastrointestinal tract may underlie some of the benefits of gastric bypass surgery, reports a team of researchers from MGH and Harvard University. The investigators also found that post-bypass alterations in the microbial population of mice can induce weight loss in animals that did not have surgery.

  • Weight Center restructures

    ACCORDING TO RECENT DATA from the National Health and Nutrition Examination Survey, approximately one-third of U.S. adults and 17 percent of children and adolescents aged 2 to 19 years are obese.


Gastroenterology Associates
55 Fruit Street
Boston MA, 02114-2696
Phone: 617-724-6007
Fax: 617-724-6832
Weight Center, MGH
50 Staniford Street
4th Floor
Boston MA, 02114-2517
Phone: 617-726-4400
Fax: 617-724-6565

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