DR. MARCUS AUSTIN VILLARREAL DO
NPI 1609458637
Pediatrics in San Antonio, TX

Q: What is Marcus Villarreal's NPI number?

The NPI number for Marcus Villarreal is 1609458637. It was assigned to this individual provider in the NPPES registry on April 28, 2021.

Q: What is Marcus Villarreal's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Marcus Villarreal was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since April 28, 2021PECOS Enrolled

4502 MEDICAL DR, SAN ANTONIO, TX 78229(210) 358-1673 Get Directions Write a Review

NPPES record last updated: June 8, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Marcus Austin Villarreal Do NPPES

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

DR. MARCUS AUSTIN VILLARREAL DO (NPI 1609458637) is an individual pediatrics provider in San Antonio, Texas, licensed in Texas (V0570) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1609458637

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameDR. MARCUS AUSTIN VILLARREALCredential: DO

Location Address4502 MEDICAL DRSan Antonio, TX 78229-4402

Mailing Address4502 Medical DrSan Antonio, TX 78229-4402 · (210) 358-1673

Phone(210) 358-1673

Sole ProprietorNo

Medical School CMSOtherGraduated 2021

Enumeration DateApril 28, 2021

Last NPPES UpdateJune 8, 2026

NPPES CertifiedJune 8, 2026

✔ NPI 1609458637 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in TX · V0570

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.

Also ListedHospitalistTaxonomy 208M00000X · License V0570 (TX)

4502 MEDICAL DR, San Antonio, TX 78229

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Marcus Austin Villarreal Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3678044971

PECOS Enrollment IDI20260608002808

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 Marcus Villarreal reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Uthscsa Dental School

0.2 mi

Oral and Maxillofacial Surgery

7703 FLOYD CURL DR
San Antonio, TX 78229

Reassigned Medicare billing, Texas enrollment
Medicare enrollment name: University Of Texas Health Science Center At San Antonio
2,397 clinicians in this Medicare group

NPI 1750403887 (210) 567-3274

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 78229 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.

EDUARDO N. POLLONO MD

Internal Medicine (Cardiovascular Disease)