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

John R. Lamb, MD

Individual provider Internal Medicine Physician · NPI 1679552467

John R. Lamb, MD is an Internal Medicine in Oak Bluffs, Massachusetts. Graduated from State University of New York at Buffalo School of Medicine in 1979, 47 years ago. Practices with Martha's Vineyard Hospital Inc, a 142-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
47
Trained at
State University of New York at Buffalo School of Medicine
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

1 Hospital Rd
Oak Bluffs, MA 02557-1406
Phone: (508) 684-4500
Fax: (508) 684-4502
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 226239 (MA)

Record details

NPI number1679552467
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 11, 2006
Last updated in NPPESMay 10, 2022
Certification dateMay 10, 2022
Mailing addressPo Box 1477, Oak Bluffs, MA 02557-1477

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolSTATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Graduated 1979 (47 years in practice)
Group practice Martha'S Vineyard Hospital Inc — 142 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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