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ALEXANDRA REBECCA STEWART D.O.
NPI 1275980914
Internal Medicine - Nephrology in Fort Sam Houston, TX

Active since May 23, 2016PECOS Enrolled
3551 ROGER BROOKE DR, FORT SAM HOUSTON, TX 78234(210) 539-9582(443) 201-7939 Get Directions Write a Review

NPPES record last updated: May 16, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 16, 2022, Sep 23, 2017 (2 updates tracked since 2017).

About Alexandra Rebecca Stewart D.o. NPPES

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

ALEXANDRA REBECCA STEWART D.O. (NPI 1275980914) is an individual nephrology provider in Fort Sam Houston, Texas, licensed in Nebraska (1727) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1275980914
Entity TypeIndividualFemale
Primary Taxonomy207RN0300X
Provider Legal NameALEXANDRA REBECCA STEWARTCredential: D.O.
Location Address3551 ROGER BROOKE DRFort Sam Houston, TX 78234-4504
Mailing Address3551 Roger Brooke DrFort Sam Houston, TX 78234-4504 · (210) 539-9582 · Fax (443) 201-7939
Phone(210) 539-9582
Fax(443) 201-7939
Sole ProprietorNo
Enumeration DateMay 23, 2016
Last NPPES UpdateMay 16, 20222 updates tracked since enumeration
NPPES CertifiedMay 16, 2022
✔ NPI 1275980914 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in NE · 1727
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
3551 ROGER BROOKE DR, Fort Sam Houston, TX 78234
Open in Google Maps ↗

Other Names 1

Former Name (1)Alexandra Rebecca Koller

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alexandra Rebecca Stewart D.o. 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.

JANET JONES SIMS CRNA
Nurse Anesthetist, Certified Registered
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Bexar County (253) 223-6272
JAMES KENNEDY HARDIN PA-C
Physician Assistant
3551 ROGER BROOKE DR
JBSA FT SAM HOUSTON, TX 78234
Bexar County (210) 295-4996
DR. DANIEL VICTOR-CALVIN HAMMOND M.D.
Pediatrics (Pediatric Endocrinology)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-3020
JESSICA FULLER LCSW
Social Worker (Clinical)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Bexar County (210) 808-1859
DR. JASON ROBERT HALL M.D.
Neurological Surgery
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Bexar County (210) 539-9582
MRS. KATHRYN ELAINE HELLAND LCSW
Social Worker (Clinical)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Bexar County (210) 539-9582
DR. HALWARD BLEGEN IV DO
Ophthalmology
3551 ROGER BROOKE DR
JBSA FORT SAM HOUSTON, TX 78234
Bexar County (210) 220-7419
KOLE HOLLAND SPAULDING M.D.
Emergency Medicine (Emergency Medical Services)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Bexar County (210) 539-9582

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 Alexandra Stewart's NPI number?

The NPI number for Alexandra Stewart is 1275980914. It was assigned to this individual provider in the NPPES registry on May 23, 2016. The provider is also known as Alexandra Rebecca Koller.

Where is Alexandra Stewart located?

Alexandra Stewart practices at 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234. The listed phone number is (210) 539-9582.

What is Alexandra Stewart's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Alexandra Stewart enrolled in Medicare?

Yes. Alexandra Stewart is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alexandra Stewart was last updated on May 16, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.