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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.

THOMAS E WILLIAMS PA
NPI 1497331797
Physician Assistant in Agana Heights, GU

Active since March 18, 2021
BLDG #50, FARENHOLT AVE, AGANA HEIGHTS, GU 96910(671) 339-3013 Get Directions Write a Review

NPPES record last updated: August 7, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 7, 2026, Feb 23, 2023, Mar 18, 2021 (3 updates tracked since 2021).

About Thomas E Williams Pa NPPES

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

THOMAS E WILLIAMS PA (NPI 1497331797) is an individual physician assistant in Agana Heights, Guam, licensed in Utah (12999126-1206) and active in the NPI registry since March 2021.

NPPES Registry Identity

NPI1497331797
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameTHOMAS E WILLIAMSCredential: PA
Location AddressBLDG #50, FARENHOLT AVEAgana Heights, GU 96910
Mailing AddressPsc 455 Box 156Fpo, AP 96540-0002 · (671) 339-3013
Phone(671) 339-3013
Sole ProprietorYes
Enumeration DateMarch 18, 2021
Last NPPES UpdateAugust 7, 20263 updates tracked since enumeration
NPPES CertifiedAugust 7, 2026
✔ NPI 1497331797 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 UT · 12999126-1206
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.

Other Providers at the Same Location NPPES 3

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

DR. MATTHEW BAUER MD
Internal Medicine
BLDG #50, FARENHOLT AVE
AGANA HEIGHTS, GU 96910
Guam (671) 344-9202
DANIEL ZHANG
Family Medicine
BLDG #50, FARENHOLT AVE
AGANA HEIGHTS, GU 96910
Guam (671) 344-9202
MRS. CARMELA SANTOS RN
Registered Nurse (Case Management)
BLDG #50, FARENHOLT AVE
TUTUHAN, GU 96910
Guam (671) 344-9340

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 Thomas Williams's NPI number?

The NPI number for Thomas Williams is 1497331797. It was assigned to this individual provider in the NPPES registry on March 18, 2021.

Where is Thomas Williams located?

Thomas Williams practices at Bldg #50, Farenholt Ave, Agana Heights, GU 96910. The listed phone number is (671) 339-3013.

What is Thomas Williams'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 Thomas Williams was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.