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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.

DR. HILDA M RIVERA-SANTIAGO M.D.
NPI 1972568160
Pediatrics in Fort Sam Houston, TX

Active since April 19, 2006PECOS Enrolled
3551 ROGER BROOKE DR, FORT SAM HOUSTON, TX 78234(210) 916-0707(210) 916-6349 Get Directions Write a Review

NPPES record last updated: October 19, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 15, 2019, Mar 21, 2019, Jan 30, 2019 (3 updates tracked since 2019).

About Dr. Hilda M Rivera-santiago M.d. NPPES

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

DR. HILDA M RIVERA-SANTIAGO M.D. (NPI 1972568160) is an individual pediatrics provider in Fort Sam Houston, Texas, licensed in Texas (J7642) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1972568160
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. HILDA M RIVERA-SANTIAGOCredential: M.D.
Location Address3551 ROGER BROOKE DRFort Sam Houston, TX 78234-4504
Mailing Address3551 Roger Brooke DrFort Sam Houston, TX 78234-4504 · (210) 916-0707 · Fax (210) 916-6349
Phone(210) 916-0707
Fax(210) 916-6349
Sole ProprietorNo
Enumeration DateApril 19, 2006
Last NPPES UpdateOctober 19, 20263 updates tracked since enumeration
NPPES CertifiedOctober 19, 2026
✔ NPI 1972568160 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in TX · J7642
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
3551 ROGER BROOKE DR, Fort Sam Houston, TX 78234
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Hilda M Rivera-santiago 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.

Medicare Billing Reassignment

Medicare enrollment records show Hilda Rivera-santiago reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Baylor College Of Medicine
5.5 mi
Pediatrics
333 N SANTA ROSA
San Antonio, TX 78207
  • Reassigned Medicare billing, Texas enrollment
  • 453 clinicians in this Medicare group
NPI 1285079764 (210) 704-3030

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
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 Hilda Rivera-santiago's NPI number?

The NPI number for Hilda Rivera-santiago is 1972568160. It was assigned to this individual provider in the NPPES registry on April 19, 2006.

Where is Hilda Rivera-santiago located?

Hilda Rivera-santiago practices at 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234. The listed phone number is (210) 916-0707.

What is Hilda Rivera-santiago's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Hilda Rivera-santiago enrolled in Medicare?

Yes. Hilda Rivera-santiago is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Hilda Rivera-santiago's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hilda Rivera-santiago reassigns Medicare benefits to Baylor College Of Medicine (San Antonio, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Hilda Rivera-santiago's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Hilda Rivera-santiago was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.