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WILLIAM PARKINSON MD
NPI 1457009615
Internal Medicine in Jbsa- Fort Sam Houston, TX

Active since March 16, 2022PECOS Enrolled
SAN ANTONIO MILITARY MEDICAL CENTER, MCHE-ZDM-M, 3551 ROGER BROOKE DR., JBSA- FORT SAM HOUSTON, TX 78234(210) 292-7805(210) 292-7868 Get Directions Write a Review

NPPES record last updated: June 12, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 12, 2025, Nov 9, 2023, Aug 16, 2023 (3 updates tracked since 2023).

About William Parkinson Md NPPES

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

WILLIAM PARKINSON MD (NPI 1457009615) is an individual internal medicine provider in Jbsa- Fort Sam Houston, Texas, licensed in Virginia (0101279958) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457009615
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWILLIAM PARKINSONCredential: MD
Location AddressSAN ANTONIO MILITARY MEDICAL CENTER, MCHE-ZDM-M, 3551 ROGER BROOKE DR.Jbsa- Fort Sam Houston, TX 78234-4504
Mailing AddressSan Antonio Military Medical Center, Mche-zdm-m, 3551 Roger Brooke Dr.Jbsa- 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 16, 2022
Last NPPES UpdateJune 12, 20253 updates tracked since enumeration
NPPES CertifiedJune 12, 2025
✔ NPI 1457009615 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in VA · 0101279958
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.
Also ListedGeneral PracticeTaxonomy 208D00000X · License 0101279958 (VA)
SAN ANTONIO MILITARY MEDICAL CENTER, MCHE-ZDM-M, 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 Parkinson 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 2

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

DR. CARLOS RISIK MARTINEZ LICHA MD
Internal Medicine
SAN ANTONIO MILITARY MEDICAL CENTER, MCHE-ZDM-M, INTERNAL MEDICINE RESIDENCY, 3551 ROGER BROOKE DR.
JBSA-FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-5000
JUSTIN CARRANZA MD
Internal Medicine
SAN ANTONIO MILITARY MEDICAL CENTER, MCHE-ZDM-M, INTERNAL MEDICINE RESIDENCY, 3551 ROGER BROOKE DR.
JBSA-FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-5000

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 Parkinson's NPI number?

The NPI number for William Parkinson is 1457009615. It was assigned to this individual provider in the NPPES registry on March 16, 2022.

Where is William Parkinson located?

William Parkinson practices at San Antonio Military Medical Center, Mche-Zdm-M 3551 Roger Brooke Dr., Jbsa- Fort Sam Houston, TX 78234. The listed phone number is (210) 292-7805.

What is William Parkinson's specialty?

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

Is William Parkinson enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for William Parkinson was last updated on June 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.