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ALAMO WOMEN'S OBSTETRICS & GYNECOLOGY, PLLC
NPI 1114462702
Obstetrics & Gynecology in San Antonio, TX

Active since January 05, 2017CLIA Certified · 3 labs
11212 STATE HIGHWAY 151 SUITE 350, PLAZA 2, SAN ANTONIO, TX 78251(210) 281-5066(210) 281-4459 Get Directions Write a Review

NPPES record last updated: August 9, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 9, 2018, Mar 13, 2017, Jan 5, 2017 (3 updates tracked since 2017).

About Alamo Women's Obstetrics & Gynecology, Pllc NPPES

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

ALAMO WOMEN'S OBSTETRICS & GYNECOLOGY, PLLC (NPI 1114462702) is a healthcare organization registered as an obstetrics & gynecology in San Antonio, Texas and active in the NPI registry since January 2017. The organization holds 3 active CLIA laboratory certificates and lists Rene Perez, President, as its authorized official.

NPPES Registry Identity

NPI1114462702
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameALAMO WOMEN'S OBSTETRICS & GYNECOLOGY, PLLC
Location Address11212 STATE HIGHWAY 151 SUITE 350, PLAZA 2San Antonio, TX 78251
Mailing Address11212 State Highway 151 Suite 350, Plaza 2San Antonio, TX 78251 · (210) 281-5066 · Fax (210) 281-4459
Phone(210) 281-5066
Fax(210) 281-4459
Organization SubpartNo
Authorized OfficialRene PerezPresident · (210) 281-5066
Enumeration DateJanuary 5, 2017
Last NPPES UpdateAugust 9, 20183 updates tracked since enumeration
✔ NPI 1114462702 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 · M6336
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.
11212 STATE HIGHWAY 151 SUITE 350, San Antonio, TX 78251
Open in Google Maps ↗

Other Identifiers 1

Medicaid381292701TX

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alamo Women's Obstetrics & Gynecology, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

8

Medicare enrollment records show 8 clinicians reassign Medicare billing to Alamo Women's Obstetrics & Gynecology, PLLC, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 6 within 10 miles. They are listed nearest first.

Clinicians, nearest first (8)

Vivian Ahn, M.D.
Obstetrics/Gynecology
NPI 1093151292
11212 STATE HWY 151 SUITE 350 PLAZA 2
San Antonio, TX 78251
(210) 281-5066
✔ PECOS✔ Accepts MedicareSame address
Rene Perez, M.D.
Obstetrics/Gynecology
NPI 1669687141
11212 ST HWY 151 #350 PLAZA 2
San Antonio, TX 78251
(210) 281-5066
✔ PECOS✔ Accepts MedicareSame address
Amy Gonzales, MD
Obstetrics/Gynecology
NPI 1457746232
11212 STATE HIGHWAY 151 MEDICAL PLAZA 2 SUITE 350
San Antonio, TX 78251
(210) 281-5066
✔ PECOS✔ Accepts MedicareSame address
Nistha Jajal, M.D.
Obstetrics/Gynecology
NPI 1194172205
11212 TX 151 MEDICAL PLAZA 2, SUITE 350
San Antonio, TX 78251
(210) 281-5066
✔ PECOS✔ Accepts MedicareSame address
Adrian Simien, DO
Obstetrics/Gynecology
NPI 1891224507
11212 STATE HIGHWAY 151 # 351
San Antonio, TX 78251
(210) 281-5066
✔ PECOS✔ Accepts MedicareSame address
Jenna Banner, MD
Obstetrics/Gynecology
NPI 1144581331
7950 FLOYD CURL DR STE 900
San Antonio, TX 78229
(210) 226-7827
✔ PECOS✔ Accepts Medicare7.9 mi
Christine Van Ramshorst, M.D.
Obstetrics/Gynecology
NPI 1316267594
108 WATERVIEW PKWY
Boerne, TX 78006
(210) 653-5501
✔ PECOS✔ Accepts Medicare21 mi
Carlos Quezada, M.D.
Obstetrics/Gynecology
NPI 1437115698
590 MEDICAL CIRCLE DRIVE WOMEN'S HEALTH CLINIC CRDAMC
Ft Cavazos, TX 76554
(254) 553-3772
✔ PECOS130 mi

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

CLIA Laboratory Certificates CMS CLIA 3

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 45D2275163

Alamo Women's Obstetrics & Gyne · San Antonio, TX
Active · expires Jan 16, 2027
CLIA Number45D2275163
Laboratory TypePhysician Office
Certificate Effective DateJanuary 17, 2025
Certificate Expiration DateJanuary 16, 2027
Laboratory DirectorRene Perez
Laboratory Phone(210) 281-5066
Laboratory LocationAlamo Women's Obstetrics & Gyne11212 State Hwy 151, Ste 350 Medical Plaza 2, San Antonio, TX 78251
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 45D2154498

Alamo Womens Obstetrics And Gynecology PLLC · San Antonio, TX
Active · expires Sep 12, 2028
CLIA Number45D2154498
Laboratory TypePhysician Office
Certificate Effective DateSeptember 13, 2026
Certificate Expiration DateSeptember 12, 2028
Laboratory DirectorRene Perez
Laboratory Phone(210) 281-5066
Laboratory LocationAlamo Womens Obstetrics And Gynecology PLLC5616 Lonestar Pkwy, Suite 103, San Antonio, TX 78253
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 45D2275164

Alamo Womens Obstetrics & Gynecology · San Antonio, TX
Active · expires Jan 16, 2027
CLIA Number45D2275164
Laboratory TypePhysician Office
Certificate Effective DateJanuary 17, 2025
Certificate Expiration DateJanuary 16, 2027
Laboratory DirectorRene Perez
Laboratory Phone(210) 281-5066
Laboratory LocationAlamo Womens Obstetrics & Gynecology7950 Floyd Curl Drive, Ste 801, San Antonio, TX 78229
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Alamo Women's Obstetrics & Gynecology, PLLC's NPI number?

The NPI number for Alamo Women's Obstetrics & Gynecology, PLLC is 1114462702. It was assigned to this organization in the NPPES registry on January 5, 2017.

Where is Alamo Women's Obstetrics & Gynecology, PLLC located?

Alamo Women's Obstetrics & Gynecology, PLLC is located at 11212 State Highway 151 Suite 350 Plaza 2, San Antonio, TX 78251. The listed phone number is (210) 281-5066.

What is Alamo Women's Obstetrics & Gynecology, PLLC's specialty?

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

Is Alamo Women's Obstetrics & Gynecology, PLLC enrolled in Medicare?

Yes. Alamo Women's Obstetrics & Gynecology, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Alamo Women's Obstetrics & Gynecology, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians, all in Obstetrics/Gynecology, reassign their Medicare billing to Alamo Women's Obstetrics & Gynecology, PLLC. 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. Of these, 5 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Alamo Women's Obstetrics & Gynecology, PLLC hold CLIA laboratory certificates?

Yes. 3 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

What insurance does Alamo Women's Obstetrics & Gynecology, PLLC accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma list Alamo Women's Obstetrics & Gynecology, PLLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Alamo Women's Obstetrics & Gynecology, PLLC was last updated on August 9, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.