Photo of A Benedict (Benedict)  Cosimi, MD

A Benedict (Benedict) Cosimi, MD

  • Chief Emeritus, Transplantation


Accepting New Patients



Transplant Surgery


Centers & Specialties

Cancer Center

MassGeneral Hospital for Children

Transplant Center

Clinical Interests
  • Hepatobiliary surgery
  • Melanoma
  • Gastrointestinal surgery
  • Kidney transplant
  • Liver transplant
Medical Education
  • MD, University of Colorado Health Science Center
  • Residency, Massachusetts General Hospital
  • Fellowship, Massachusetts General Hospital
Board Certifications
  • Surgery
  • 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
  • Harvard Pilgrim Health Plan - SSN
  • 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
  • OSW - Vermont
  • Private Health Care Systems (PHCS)
  • Railroad Medicare
  • Railroad Medicare - ACD
  • Senior Whole Health
  • TriCare
  • Tufts Health Plan
  • Unicare
  • United Healthcare (non-HMO) - ACD
  • United Healthcare (non-HMO) - PBO
Patient Age Group
Adult and Pediatric

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News & Events

  • Transplant tolerance induction celebrates 10 years

    The 10th anniversary celebration of transplant tolerance induction brought together patients with their MGH physicians, nurses and other staff members involved in the program.

  • Conquering Organ Rejection

    A new breakthrough transplant procedure developed at Massachusetts General Hospital confirms that the problem of organ rejection after transplantation can be mitigated without using immunosuppressive drugs, sparing transplant recipients a lifetime of side effects.

  • New procedure, new life

    Eight years ago, Jennifer Searl used a handicapped permit to get around campus at the University of New Hampshire. Last October, Searl, 26, ran a half-marathon and felt so good afterward she immediately signed up for another. In between these two extremes lies not only a journey of a thousand steps, but one taken along a path Searl herself blazed - with help from the Massachusetts General Hospital Transplant Center.


Transplant Outpatient Center
165 Cambridge St
Suite 301
Boston MA, 02114-2751
Phone: 617-726-6631
Massachusetts General Hospital
55 Fruit Street
Boston MA, 02114-2696
Phone: 617-726-8256
Fax: 617-726-8137

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