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

MARISSA N. LARGOZA, M.D., P.A.
NPI 1346525557
Obstetrics & Gynecology in San Antonio, TX

Active since October 19, 2011
4499 MEDICAL DR, SUITE 191, SAN ANTONIO, TX 78229(210) 692-0404(210) 692-9202 Get Directions Write a Review

NPPES record last updated: October 19, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Marissa N. Largoza, M.d., P.a. NPPES

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

MARISSA N. LARGOZA, M.D., P.A. (NPI 1346525557) is a healthcare organization registered as an obstetrics & gynecology in San Antonio, Texas and active in the NPI registry since October 2011. The organization lists Marissa N Largoza, Owner, as its authorized official.

NPPES Registry Identity

NPI1346525557
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameMARISSA N. LARGOZA, M.D., P.A.
Location Address4499 MEDICAL DR, SUITE 191San Antonio, TX 78229-3735
Mailing Address4499 Medical Dr, Suite 191San Antonio, TX 78229-3735 · (210) 692-0404 · Fax (210) 692-9202
Phone(210) 692-0404
Fax(210) 692-9202
Organization SubpartNo
Authorized OfficialMarissa N LargozaOwner · (210) 692-0404
Enumeration DateOctober 19, 2011
✔ NPI 1346525557 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 · L0366
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.
4499 MEDICAL DR, San Antonio, TX 78229
Open in Google Maps ↗

Other Identifiers 1

Medicare UPING74341TX

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)

Marissa N. Largoza, 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 Marissa N. Largoza, M.D., P.A., which bills Medicare for the services this clinician delivers.

Clinician (1)

Marissa Largoza, MD
Obstetrics/Gynecology
NPI 1720183312
4499 MEDICAL DRIVE SUITE 191
San Antonio, TX 78229
(210) 692-0404
✔ PECOS0.1 mi

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 Marissa N. Largoza, M.D., P.A.'s NPI number?

The NPI number for Marissa N. Largoza, M.D., P.A. is 1346525557. It was assigned to this organization in the NPPES registry on October 19, 2011.

Where is Marissa N. Largoza, M.D., P.A. located?

Marissa N. Largoza, M.D., P.A. is located at 4499 Medical Dr Suite 191, San Antonio, TX 78229. The listed phone number is (210) 692-0404.

What is Marissa N. Largoza, M.D., P.A.'s specialty?

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

Is Marissa N. Largoza, M.D., P.A. enrolled in Medicare?

Yes. Marissa N. Largoza, M.D., P.A. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Marissa N. Largoza, M.D., P.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to Marissa N. Largoza, 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 Marissa N. Largoza, M.D., P.A. was last updated on October 19, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.