Clinical Interests
  • Anemia
  • Chronic renal failure
  • Hypertension management
  • Kidney (renal) transplant
  • Glomerulonephritis
  • Nephrology
Medical Education
  • MD, Harvard Medical School
  • PhD, University of Illinois Urbana Champaign
  • Residency, Massachusetts General Hospital
  • Fellowship, Massachusetts General Hospital
Board Certifications
  • Internal Medicine
  • Nephrology
Foreign Languages
  • Mandarin Chinese
  • Cantonese/Yue
  • Boston: Massachusetts General Hospital
Existing Patients
Patient Gateway
Insurances Accepted
  • Aetna Health Inc.
  • AllWays Health (NHP) - ACD
  • AllWays Health (NHP) - PBO
  • 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
  • BMC HealthNet Mass Health MCO/ACO
  • Cigna (PAL #'s)
  • Commonwealth Care Alliance
  • Fallon Community HealthCare
  • Great-West Healthcare (formally One Health Plan)
  • Harvard Pilgrim Health Plan - ACD
  • Harvard Pilgrim Health Plan - other
  • Harvard Pilgrim Health Plan - PBO
  • Health Care Value Management (HCVM)
  • Humana/Choice Care PPO
  • MassHealth
  • Medicare
  • 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
  • United Healthplan (non-HMO) - other
  • Well Sense Pediatrics

Note: This provider may accept more insurance plans than shown; please call the practice to find out if your plan is accepted.

Patient Age Group
Provider Gender


Leslie S.T. Fang received his PhD degree in Biophysics from the University of Illinois, Champaign-Urbana. He did his medical training at Harvard Medical School and his residency training at the Massachusetts General Hospital where he served as Chief Medical Resident. He did his fellowship training in Nephrology at the Massachusetts General Hospital and is board certified in Internal Medicine and Nephrology.   A clinician and a teacher, he  maintains an active international practice in Internal Medicine and Nephrology and is a leading teacher at Harvard Medical School.  At the Massachusetts General Hospital, he served as Chief of the Walter Bauer Firm and as the Chair of the Clinical Practice Committee.  He has received numerous awards for excellence in teaching from Harvard Medical School and has served and chaired the Medical Internship Selection Committee at the Massachusetts General Hospital for two decades. He has been repeatedly honored among the Best Doctors of America.

News & Events

  • Gallagher family dedicated to improving lives

    A couple dedicated to improving the lives of others has once again shared their generosity with the MGH community by creating the John R. Gallagher III and Katherine A. Gallagher Endowed Chair in Clinical Nephrology.


151 Merrimac Street
3rd Floor
Boston, MA 02114
Phone: 617-742-2054
Fax: 617-742-3157