Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Gordon Harold Williams, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1477503993

Gordon Harold Williams, MD is an Endocrinology in Boston, Massachusetts. Graduated from Harvard Medical School in 1963, 63 years ago. Practices with Brigham and Womens Physicians Organization Inc, a 2,916-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
63
Trained at
Harvard Medical School
Licensed in
MA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

221 Longwood Avenue RFB2 Brigham And Women's Hospital Endocrinology Diabetes And
Boston, MA 02115
Phone: (617) 732-5661
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 29417 (MA)

Record details

NPI number1477503993
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 12, 2006
Last updated in NPPESJuly 13, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyENDOCRINOLOGY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1963 (63 years in practice)
Group practice Brigham And Womens Physicians Organization Inc — 2916 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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