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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 HENRY COLTHORPE MD
NPI 1639879505
Internal Medicine in Jbsa-fort Sam Houston, TX

Active since March 08, 2023PECOS Enrolled
3551 ROGER BROOKE DRIVE, SAMMC, MCHE-ZDE-M, INTERNAL MEDICINE RESIDENCY, JBSA-FORT SAM HOUSTON, TX 78234(210) 292-7805(210) 292-7868 Get Directions Write a Review

NPPES record last updated: June 18, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 14, 2023, Mar 27, 2023, Mar 8, 2023 (3 updates tracked since 2023).

About William Henry Colthorpe Md NPPES

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

WILLIAM HENRY COLTHORPE MD (NPI 1639879505) is an individual internal medicine provider in Jbsa-fort Sam Houston, Texas, licensed in Virginia (0101284628) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639879505
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWILLIAM HENRY COLTHORPECredential: MD
Location Address3551 ROGER BROOKE DRIVE, SAMMC, MCHE-ZDE-M, INTERNAL MEDICINE RESIDENCYJbsa-fort Sam Houston, TX 78234-4504
Mailing Address3551 Roger Brooke Drive, Sammc, Mche-zde-m, Internal Medicine ResidencyJbsa-fort Sam Houston, TX 78234-4504 · (210) 292-7805 · Fax (210) 292-7868
Phone(210) 292-7805
Fax(210) 292-7868
Sole ProprietorNo
Enumeration DateMarch 8, 2023
Last NPPES UpdateJune 18, 20263 updates tracked since enumeration
NPPES CertifiedJune 18, 2026
✔ NPI 1639879505 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in VA · 0101284628
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.
3551 ROGER BROOKE DRIVE, 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)

William Henry Colthorpe 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78234 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. BRYAN CHRISTOPHER RAMSEY MD
Internal Medicine (Interventional Cardiology)
3551 ROGER BROOKE DRIVE
JBSA FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-0935
NATALIE M PEREZ RODRIGUEZ
Student in an Organized Health Care Education/Training Program
3551 ROGER BROOKE DRIVE, MCMR - SRT - T
JBSA FT. SAM HOUSTON, TX 78234
Bexar County (210) 916-5658
DR. CORY MADIGAN MD
Internal Medicine (Clinical Cardiac Electrophysiology)
3551 ROGER BROOKE DRIVE, MCHE-ZDM-C CARDIOLOGY SERVICE
JBSA FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-0935
DANIELLE MARIE SANTOS MD
Anesthesiology
3551 ROGER BROOKE DRIVE, MCHE/ME
JBSA FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-5545
DR. KYLE RUBEN WALKER D.O.
Radiology (Diagnostic Radiology)
3551 ROGER BROOKE DRIVE
JBSA FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-7890
AUSTIN ROBERT BALTENSPERGER M.D.
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
3551 ROGER BROOKE DRIVE, SAMMC
JBSA FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-9928
KATHRYN C HOUHOULIS CRNA
Nurse Anesthetist, Certified Registered
3551 ROGER BROOKE DRIVE, USAGPAN MCHE-ZSD
JBSA-FORT SAM HOUSTON, TX 78234
Bexar County (210) 539-9204
MRS. ELLEN DAMON ZURAWSKI PA-C
Physician Assistant
3551 ROGER BROOKE DRIVE, DEPARTMENT OF EMERGENCY MEDICINE
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-5551

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 Colthorpe's NPI number?

The NPI number for William Colthorpe is 1639879505. It was assigned to this individual provider in the NPPES registry on March 8, 2023.

Where is William Colthorpe located?

William Colthorpe practices at 3551 Roger Brooke Drive Sammc, Mche-Zde-M, Internal Medicine Residency, Jbsa-Fort Sam Houston, TX 78234. The listed phone number is (210) 292-7805.

What is William Colthorpe's specialty?

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

Is William Colthorpe enrolled in Medicare?

Yes. William Colthorpe is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Colthorpe was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 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.