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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WILLIAM E BEARDSLEY MD
NPI 1215917422
Physician Assistant in Brighton, MA

Active since January 23, 2006
736 CAMBRIDGE ST, BRIGHTON, MA 02135(617) 789-3000 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About William E Beardsley Md NPPES

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

WILLIAM E BEARDSLEY MD (NPI 1215917422) is an individual physician assistant in Brighton, Massachusetts, licensed in Massachusetts (351) and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1215917422
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameWILLIAM E BEARDSLEYCredential: MD
Location Address736 CAMBRIDGE STBrighton, MA 02135-2907
Mailing Address77 Warren St, 3rd FloorBrighton, MA 02135-3601 · (617) 562-5413 · Fax (617) 562-5415
Phone(617) 789-3000
Sole ProprietorNo
Enumeration DateJanuary 23, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1215917422 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in MA · 351
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
736 CAMBRIDGE ST, Brighton, MA 02135
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SOOWHAN LAH M.D.
Internal Medicine
736 CAMBRIDGE ST, INTERNAL MEDICINE RESIDENCY PROGRAM - MAILBOX #13
BOSTON, MA 02135
Suffolk County (503) 886-9722
DR. MAHENDRA CARPEN MD
Internal Medicine (Cardiovascular Disease)
736 CAMBRIDGE ST, DEPT. OF CARDIOLOGY
BRIGHTON, MA 02135
Suffolk County (617) 789-5151
MONIKA BATRA
Psychiatry & Neurology (Psychiatry)
736 CAMBRIDGE ST
BRIGHTON, MA 02135
Suffolk County (617) 789-3000
RONYA OZTURK
Student in an Organized Health Care Education/Training Program
736 CAMBRIDGE ST
BOSTON, MA 02135
Suffolk County (617) 789-3000
ALEXANDER H HU MD
Student in an Organized Health Care Education/Training Program
736 CAMBRIDGE ST
BRIGHTON, MA 02135
Suffolk County (617) 789-3000
DR. ANAS AHMED SAMBAWAH M.D
Student in an Organized Health Care Education/Training Program
736 CAMBRIDGE ST
BRIGHTON, MA 02135
Suffolk County (617) 789-2990
ORFEAS LIANGOS M.D.
Internal Medicine (Nephrology)
736 CAMBRIDGE ST, ST ELIZABETHS MED CTR
BOSTON, MA 02135
Suffolk County (617) 789-3100
LORI H ADCOCK M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
736 CAMBRIDGE ST
BRIGHTON, MA 02135
Suffolk County (617) 789-2740

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 Beardsley's NPI number?

The NPI number for William Beardsley is 1215917422. It was assigned to this individual provider in the NPPES registry on January 23, 2006.

Where is William Beardsley located?

William Beardsley practices at 736 Cambridge St, Brighton, MA 02135. The listed phone number is (617) 789-3000.

What is William Beardsley's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

When was this NPI record last updated?

The NPPES record for William Beardsley was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days 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.