WILLIAM R SELLERS M.D.
NPI 1386770972
Internal Medicine in Cambridge, MA

Active since February 26, 2007
250 MASSACHUSETTS AVENUE, CAMBRIDGE, MA 02139(617) 871-3938 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About William R Sellers M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM R SELLERS M.D. (NPI 1386770972) is an individual internal medicine provider in Cambridge, Massachusetts, licensed in Massachusetts (72491) and active in the NPI registry since February 2007.

NPPES Registry Identity

NPI1386770972
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWILLIAM R SELLERSCredential: M.D.
Location Address250 MASSACHUSETTS AVENUECambridge, MA 02139
Mailing Address50 Cleveland RdChestnut Hill, MA 02467-1461 · (617) 871-3938
Sole ProprietorNo
Enumeration DateFebruary 26, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1386770972 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MA · 72491
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
250 MASSACHUSETTS AVENUE, Cambridge, MA 02139

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Sellers's NPI number?

The NPI number for William Sellers is 1386770972. It was assigned to this individual provider in the NPPES registry on February 26, 2007.

Where is William Sellers located?

William Sellers practices at 250 Massachusetts Avenue, Cambridge, MA 02139. The listed phone number is (617) 871-3938.

What is William Sellers's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for William Sellers was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.