1. Home
  2. Directory
  3. Texas
  4. San Antonio
  5. Obstetrics Gynecology
  6. NPI Profile

LUIS GASTON PRIETO, M.D., P.A.
NPI 1356598338
Obstetrics & Gynecology in San Antonio, TX

Active since August 21, 2008
730 N MAIN AVE, SUITE 219, SAN ANTONIO, TX 78205(210) 227-0195(210) 227-0196 Get Directions Write a Review

NPPES record last updated: September 26, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Luis Gaston Prieto, M.d., P.a. NPPES

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

LUIS GASTON PRIETO, M.D., P.A. (NPI 1356598338) is a healthcare organization registered as an obstetrics & gynecology in San Antonio, Texas and active in the NPI registry since August 2008. The organization lists Gaston Prieto, Physician, President, as its authorized official.

NPPES Registry Identity

NPI1356598338
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameLUIS GASTON PRIETO, M.D., P.A.
Location Address730 N MAIN AVE, SUITE 219San Antonio, TX 78205-1152
Mailing Address730 N Main Ave, Suite 219San Antonio, TX 78205-1152 · (210) 227-0195 · Fax (210) 227-0196
Phone(210) 227-0195
Fax(210) 227-0196
Organization SubpartNo
Authorized OfficialGaston PrietoPhysician, President · (210) 227-0195
Enumeration DateAugust 21, 2008
Last NPPES UpdateSeptember 26, 2008
✔ NPI 1356598338 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in TX · J0209
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
730 N MAIN AVE, San Antonio, TX 78205
Open in Google Maps ↗

Other Identifiers 2

Medicare UPINF97484
Medicare PIN00Z420TX

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Luis Gaston Prieto, M.d., P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Luis Gaston Prieto, M.D., P.A., which bills Medicare for the services this clinician delivers.

Clinician (1)

Luis Prieto, M.D.
Obstetrics/Gynecology
NPI 1154331007
730 N MAIN AVE SUITE 219
San Antonio, TX 78205
(210) 227-0195
✔ PECOS✔ Accepts MedicareSame address

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

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 Luis Gaston Prieto, M.D., P.A.'s NPI number?

The NPI number for Luis Gaston Prieto, M.D., P.A. is 1356598338. It was assigned to this organization in the NPPES registry on August 21, 2008.

Where is Luis Gaston Prieto, M.D., P.A. located?

Luis Gaston Prieto, M.D., P.A. is located at 730 N Main Ave Suite 219, San Antonio, TX 78205. The listed phone number is (210) 227-0195.

What is Luis Gaston Prieto, M.D., P.A.'s specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Luis Gaston Prieto, M.D., P.A. enrolled in Medicare?

Yes. Luis Gaston Prieto, M.D., P.A. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Luis Gaston Prieto, M.D., P.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to Luis Gaston Prieto, M.D., P.A.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Luis Gaston Prieto, M.D., P.A. was last updated on September 26, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.