Photo of Gilbert (Gil) Harlan Daniels, MD

Gilbert (Gil) Harlan Daniels, MD

  • Co-Director Thyroid Associates
  • Medical Director Endocrine Tumor Center
  • Co-Director Endocrine Tumor Genetics Clinic


Accepting New Patients





Centers & Specialties

Cancer Center

Clinical Interests
  • Thyroid nodules
  • Thyroid cancer
  • Parathyroid disease
  • Adrenal disorders
Medical Education
  • MD, Harvard Medical School
  • Residency, Massachusetts General Hospital
  • Fellowship, Univsity of California, San Francisco - Medicine
Board Certifications
  • Internal Medicine
  • Endocrinology
  • Diabetes & Metabolism
  • 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

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Gilbert H. Daniels M.D. is Professor of Medicine at Harvard Medical School and Co-Director of the Thyroid Clinic and Physician at the Massachusetts General Hospital. He is a member of the Endocrine Society, American Thyroid Association and the American Association of Clinical Endocrinologists. He served on the Board of Directors of the American Thyroid Association. He was on the first Board of Directors of the American Association of Clinical Endocrinologists. He serves on the Editorial Board of Endocrine Practice and the Harvard Me?s Health Watch. He is the recipient of the Harvard Medical School Prize for Excellence in Teaching, the Distinguished Clinician Award of the American Association of Clinical Endocrinologists, the Distinguished Educator Award of the Endocrine Society and the Gilbert H. Daniels Award for Excellence in Teaching at the Massachusetts General Hospital.

He practices and teaches clinical endocrinology at the Massachusetts General Hospital.

Although he does not take new primary care patients, he continues to see new subspecialty consultations.

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News & Events

  • Daniels named first James Howard Means Chair

    Staff, family and friends gathered Oct. 15 to celebrate the new James Howard Means Chair and its first incumbent, Gilbert H. Daniels, MD, co-director of the MGH Thyroid Clinic, at the Paul S. Russell, MD Museum of Medical History and Innovation.


Thyroid Associates
15 Parkman Street
Boston MA, 02114-3117
Phone: 617-726-8430
Fax: 617-726-5905

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