ADVANCED GASTROENTEROLOGY ASSOCIATES OF SAN ANTONIO
NPI 1992044366
Internal Medicine - Gastroenterology in San Antonio, TX

Q: What is Muhammad Naeem, M.D., P.A's NPI number?

The NPI number for Muhammad Naeem, M.D., P.A is 1992044366. It was assigned to this organization in the NPPES registry on February 5, 2013. The provider is doing business as Advanced Gastroenterology Associates Of San Antonio.

Q: What is Muhammad Naeem, M.D., P.A's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Active since February 05, 2013CLIA 45D2158876 · Certificate of Compliance

11212 STATE HWY. 151, PLAZA 1, SUITE 270, SAN ANTONIO, TX 78251(210) 509-8888(210) 509-8895 Get Directions Write a Review

NPPES record last updated: May 31, 2018. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Apr 13, 2017, Mar 14, 2017 (2 updates tracked since 2017).

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About Advanced Gastroenterology Associates Of San Antonio NPPES

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

ADVANCED GASTROENTEROLOGY ASSOCIATES OF SAN ANTONIO (NPI 1992044366) is a healthcare organization registered as a gastroenterology in San Antonio, Texas and active in the NPI registry since February 2013. The organization holds a CLIA Certificate of Compliance certificate valid through January 29, 2028, maintains a secondary practice location in San Antonio, and lists Muhammad Naeem, Owner/president, as its authorized official.

NPPES Registry Identity

NPI1992044366

Entity TypeOrganization

Primary Taxonomy207RG0100X

Legal Business NameMUHAMMAD NAEEM, M.D., P.A

Location Address11212 STATE HWY. 151, PLAZA 1, SUITE 270San Antonio, TX 78251

Mailing AddressPo Box 761627San Antonio, TX 78245-6627 · (210) 509-8888 · Fax (210) 509-8895

Phone(210) 509-8888

Fax(210) 509-8895

Organization SubpartNo

Authorized OfficialMuhammad NaeemOwner/president · (210) 771-3339

Enumeration DateFebruary 5, 2013

Last NPPES UpdateMay 31, 20182 updates tracked since enumeration

✔ NPI 1992044366 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in TX · K8367

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

11212 STATE HWY. 151, San Antonio, TX 78251

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Other Names 1

Doing Business AsAdvanced Gastroenterology Associates Of San Antonio

Secondary Practice Location 1

Location 118518 HARDY OAK BLVD STE 310SAN ANTONIO, TX 78258-4762 · Phone (210) 509-8888 · Fax (210) 509-8895

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)

Advanced Gastroenterology Associates Of San Antonio is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 3 clinicians reassign Medicare billing to Advanced Gastroenterology Associates Of San Antonio, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Muhammad Naeem, M.D.

Gastroenterology

NPI 1043201668

11212 STATE HWY. 151 PLAZA 1, SUITE 270
San Antonio, TX 78251

(210) 509-8888

✔ PECOS✔ Accepts MedicareSame address

Alma Sanchez-Salazar, M.D.

Pathology

NPI 1265690226

6918 CAMP BULLIS RD
San Antonio, TX 78256

(210) 617-4445

✔ PECOS✔ Accepts Medicare11 mi

Ebony Young

Nurse Practitioner

NPI 1194609297

3208 NAPIER PARK STE 1
Shavano Park, TX 78231

(210) 405-3410

✔ PECOS✔ Accepts Medicare13 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

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 Compliance 45D2158876

Advanced Gastroenterology Associates Of Sa · San Antonio, TX

Active · expires Jan 29, 2028

CLIA Number45D2158876

Laboratory TypePhysician Office

Certificate Effective DateJanuary 30, 2026

Certificate Expiration DateJanuary 29, 2028

Laboratory DirectorAlma J. Sanchez-Salazar

Laboratory Phone(210) 509-8888

Laboratory LocationAdvanced Gastroenterology Associates Of Sa3208 Napier Park, Ste 1, Station B, San Antonio, TX 78231

CLIA data matches this NPI record on: Name Phone

This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

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 Muhammad Naeem, M.D., P.A's NPI number?

The NPI number for Muhammad Naeem, M.D., P.A is 1992044366. It was assigned to this organization in the NPPES registry on February 5, 2013. The provider is doing business as Advanced Gastroenterology Associates Of San Antonio.

Where is Muhammad Naeem, M.D., P.A located?

Muhammad Naeem, M.D., P.A is located at 11212 State Hwy. 151 Plaza 1, Suite 270, San Antonio, TX 78251. The listed phone number is (210) 509-8888.

What is Muhammad Naeem, M.D., P.A's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Muhammad Naeem, M.D., P.A enrolled in Medicare?

Yes. Muhammad Naeem, M.D., P.A is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Muhammad Naeem, M.D., P.A?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Muhammad Naeem, M.D., P.A, in Gastroenterology, Nurse Practitioner and Pathology. 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, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Muhammad Naeem, M.D., P.A hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 45D2158876) is associated with this NPI, valid through January 29, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Muhammad Naeem, M.D., P.A was last updated on May 31, 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.