Photo of Melinda Jean Fan Lerwill, MD

Melinda Jean Fan Lerwill, MD

  • Associate Pathologist, Massachusetts General Hospital
  • Director, Breast Pathology Service
  • Assistant Professor of Pathology, Harvard Medical School


Not Accepting New Patients

E-mail me Visit my website


Dr. Lerwill is co-director of the Breast Pathology Service at Massachusetts General Hospital. She lectures in graduate medical education courses in the United States and abroad.



Centers & Specialties

Cancer Center

Clinical Interests
  • Breast pathology
  • Gynecologic pathology
Medical Education
  • MD, Harvard Medical School
  • Residency, Massachusetts General Hospital
Board Certifications
  • Anatomic Pathology
  • Pathology
  • 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
  • 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 - PBO
  • Health Care Value Management (HCVM)
  • Humana/Choice Care PPO
  • MassHealth
  • 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
  • Railroad Medicare - ACD
  • Senior Whole Health
  • TriCare
  • Tufts Health Plan
  • Unicare
  • United Healthcare (non-HMO) - ACD
  • United Healthcare (non-HMO) - PBO
  • 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


Dr. Melinda Lerwill received her B.A. from Johns Hopkins University and her M.D. summa cum laude from Harvard Medical School. She completed her residency training in Anatomic Pathology and her fellowship training in Breast and Gynecological Pathology at Massachusetts General Hospital. Dr. Lerwill is an Associate Pathologist at Massachusetts General Hospital, where she is director of the breast pathology service and breast pathology fellowship. She is an Assistant Professor of Pathology at Harvard Medical School. Dr. Lerwill is a frequent lecturer at national and international post-graduate courses. She has authored chapters on breast and gynecologic pathology in several major textbooks, including Rosen's Breast Pathology, Blaustein's Pathology of the Female Genital Tract, and Sternberg's Diagnostic Surgical Pathology. Her academic interests focus on early neoplasia of the breast, biphasic tumors of the breast, metastatic lesions to the gynecological tract, and graduate medical education.

Research & Publications

Research Summary

Current areas of clinicopathologic investigation include:

  • Early epithelial neoplasia of the breast

  • Phyllodes tumors and other biphasic lesions of the breast

  • Use of immunohistochemistry as a diagnostic aid in breast pathology

  • Metastatic tumors to the ovary


View my most recent publications at PubMed


Pathology Associates
55 Fruit Street
Boston, MA 02114-2696
Phone: 617-726-2967
Fax: 617-726-7474

Back to Top