DR. WILLIAM ANTHONY ZAMMARRELLI III M.D.
NPI 1588027577
Obstetrics & Gynecology - Gynecologic Oncology in Fort Sam Houston, TX

Active since March 29, 2016PECOS Enrolled
BROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DR, FORT SAM HOUSTON, TX 78234(210) 916-4141 Get Directions Write a Review

NPPES record last updated: June 22, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Nov 12, 2024, Jun 27, 2024, Mar 29, 2016 (3 updates tracked since 2016).

About Dr. William Anthony Zammarrelli Iii M.d. NPPES

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

DR. WILLIAM ANTHONY ZAMMARRELLI III M.D. (NPI 1588027577) is an individual gynecologic oncology provider in Fort Sam Houston, Texas, licensed in Texas (V2602) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS and maintains a secondary practice location in Jbsa Lackland.

NPPES Registry Identity

NPI1588027577
Entity TypeIndividualMale
Primary Taxonomy207VX0201X
Provider Legal NameDR. WILLIAM ANTHONY ZAMMARRELLI IIICredential: M.D.
Location AddressBROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DRFort Sam Houston, TX 78234
Mailing Address3551 Roger Brooke DrFort Sam Houston, TX 78234-4504
Sole ProprietorNo
Enumeration DateMarch 29, 2016
Last NPPES UpdateJune 22, 20263 updates tracked since enumeration
NPPES CertifiedJune 22, 2026
✔ NPI 1588027577 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Gynecologic OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207VX0201X
License✔ Licensed in TX · V2602
Definition
An obstetrician/gynecologist who provides consultation and comprehensive management of patients with gynecologic cancer, including those diagnostic and therapeutic procedures necessary for the total care of the patient with gynecologic cancer and resulting complications.
BROOKE ARMY MEDICAL CENTER, Fort Sam Houston, TX 78234

Secondary Practice Location 1

Location 11100 Wilford Hall LoopJbsa Lackland, TX 78236-5638 · Phone (210) 292-4277

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Anthony Zammarrelli Iii M.d. 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
$166.88 typical visit price
range $54.84 – $166.88
Typical copayment $41.72 (range $13.71 – $41.72)
Most-billed visit code 99205
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.

Psychologist (Clinical)
BROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DRIVE
FORT SAM HOUSTON, TX 78234
Internal Medicine
BROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DR
JBSA FORT SAM HOUSTON, TX 78234
Nurse Anesthetist, Certified Registered
BROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DRIVE
FORT SAM HOUSTON, TX 78234
Psychologist (Prescribing (Medical))
BROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Psychiatry & Neurology (Neurology)
BROOKE ARMY MEDICAL CENTER, 3851 ROGER BROOKE DRIVE
FORT SAM HOUSTON, TX 78234
Surgery (Surgical Critical Care)
BROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DRIVE
FORT SAM HOUSTON, TX 78234
Social Worker (Clinical)
BROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DRIVE
FORT SAM HOUSTON, TX 78234
Student in an Organized Health Care Education/Training Program
BROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DR.
FORT SAM HOUSTON, TX 78234

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 Zammarrelli's NPI number?

The NPI number for William Zammarrelli is 1588027577. It was assigned to this individual provider in the NPPES registry on March 29, 2016.

Where is William Zammarrelli located?

William Zammarrelli practices at Brooke Army Medical Center 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234. The listed phone number is (210) 916-4141.

What is William Zammarrelli's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.

Is William Zammarrelli enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for William Zammarrelli was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.