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ALEXANDER WILLIAMS MD
NPI 1306545801
General Practice in Jbsa-fort Sam Houston, TX

Active since February 23, 2023PECOS Enrolled
3551 ROGER BROOKE DR., JBSA-FORT SAM HOUSTON, TX 78234(210) 292-7805 Get Directions Write a Review

NPPES record last updated: July 9, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 9, 2025, Aug 10, 2023, Feb 23, 2023 (3 updates tracked since 2023).

About Alexander Williams Md NPPES

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

ALEXANDER WILLIAMS MD (NPI 1306545801) is an individual general practice provider in Jbsa-fort Sam Houston, Texas, licensed in Nebraska (36568) and active in the NPI registry since February 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1306545801
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameALEXANDER WILLIAMSCredential: MD
Location Address3551 ROGER BROOKE DR.Jbsa-fort Sam Houston, TX 78234-4504
Mailing Address3551 Roger Brooke DrJbsa Ft Sam Houston, TX 78234-4504 · (210) 292-7805 · Fax (210) 292-7868
Phone(210) 292-7805
Sole ProprietorYes
Enumeration DateFebruary 23, 2023
Last NPPES UpdateJuly 9, 20253 updates tracked since enumeration
NPPES CertifiedJuly 9, 2025
✔ NPI 1306545801 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in NE · 36568
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
Also ListedMilitary Health Care ProviderTaxonomy 171000000X
3551 ROGER BROOKE DR., Jbsa-fort Sam Houston, TX 78234
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alexander Williams Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 10

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

DR. BRIAN JOHN KIRKWOOD DDS
Dentist (General Practice)
3551 ROGER BROOKE DR.
FORT SAM HOUSTON, TX 78234
Bexar County (210) 221-0826
DONOVAN YORK TRUDEAU DO
General Practice
3551 ROGER BROOKE DR., BROOKE ARMY MEDICAL CENTER, MCHE-MDX, INTERNAL MEDICINE
JBSA-FORT SAM HOUSTON, TX 78234
Bexar County (210) 292-3410
DR. MATTHEW DONALD SMITH SR. M.D.
Anesthesiology
3551 ROGER BROOKE DR., MCHE/ME
JBSA FORT SAM HOUSTON, TX 78234
Bexar County (812) 360-0272
JOHN LEO KILEY MD
Internal Medicine (Infectious Disease)
3551 ROGER BROOKE DR.
JBSA-FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-5554
DR. IAN PRICHARD DO, RDCS
Internal Medicine
3551 ROGER BROOKE DR., MCHE-ZDM-M, INTERNAL MEDICINE RESIDENCY
JBSA-FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-5910
PATRICK MCCLURE MUEHLBERGER MD
Emergency Medicine
3551 ROGER BROOKE DR., DEM
SAN ANTONIO, TX 78234
Bexar County (210) 216-0808
DR. DAVID JOSEPH WILSON MD, FAAOS, FAOA
Orthopaedic Surgery (Hand Surgery)
3551 ROGER BROOKE DR.
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-2048
NIELS AUGUST RYDEN MD
Internal Medicine
3551 ROGER BROOKE DR., MCHE-ZDM-M, INTERNAL MEDICINE RESIDENCY
JBSA-FORT SAM HOUSTON, TX 78234
Bexar County (210) 292-7805

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 Alexander Williams's NPI number?

The NPI number for Alexander Williams is 1306545801. It was assigned to this individual provider in the NPPES registry on February 23, 2023.

Where is Alexander Williams located?

Alexander Williams practices at 3551 Roger Brooke Dr., Jbsa-Fort Sam Houston, TX 78234. The listed phone number is (210) 292-7805.

What is Alexander Williams's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Alexander Williams enrolled in Medicare?

Yes. Alexander Williams is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alexander Williams was last updated on July 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.