TOMBALL GASTROENTEROLOGY ASSOCIATES P.A
NPI 1154973881
Internal Medicine - Gastroenterology in Tomball, TX

Q: What is Tomball Gastroenterology Associates P.A's specialty?

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

Active since July 12, 2019

425 HOLDERRIETH BLVD STE 114, TOMBALL, TX 77375(281) 205-7522(281) 205-7553 Get Directions Write a Review

NPPES record last updated: September 4, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 4, 2025, Jun 9, 2025, Jan 3, 2024 and 4 more (7 updates tracked since 2019).

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About Tomball Gastroenterology Associates P.a NPPES

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

TOMBALL GASTROENTEROLOGY ASSOCIATES P.A (NPI 1154973881) is a healthcare organization registered as a gastroenterology in Tomball, Texas and active in the NPI registry since July 2019. The organization lists Maninder Singh Guram, Owner, as its authorized official.

NPPES Registry Identity

NPI1154973881

Entity TypeOrganization

Primary Taxonomy207RG0100X

Legal Business NameTOMBALL GASTROENTEROLOGY ASSOCIATES P.A

Location Address425 HOLDERRIETH BLVD STE 114Tomball, TX 77375-5189

Mailing Address425 Holderrieth Blvd Ste 114Tomball, TX 77375-5189 · (281) 205-7522 · Fax (281) 205-7553

Phone(281) 205-7522

Fax(281) 205-7553

Organization SubpartNo

Authorized OfficialManinder Singh GuramOwner · (281) 630-3550

Enumeration DateJuly 12, 2019

Last NPPES UpdateSeptember 4, 20257 updates tracked since enumeration

NPPES CertifiedSeptember 4, 2025

✔ NPI 1154973881 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

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.

425 HOLDERRIETH BLVD STE 114, Tomball, TX 77375

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Other Identifiers 2

Other890982Medicare

Medicaid4224313TX

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)

Tomball Gastroenterology Associates 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 Tomball Gastroenterology Associates P.A, which bills Medicare for the services this clinician delivers.

Clinician (1)

Maninder Guram, M.D.

Gastroenterology

NPI 1689671307

425 HOLDERRIETH BLVD STE 114
Tomball, TX 77375

(281) 205-7522

✔ 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 Tomball Gastroenterology Associates P.A's NPI number?

The NPI number for Tomball Gastroenterology Associates P.A is 1154973881. It was assigned to this organization in the NPPES registry on July 12, 2019.

Where is Tomball Gastroenterology Associates P.A located?

Tomball Gastroenterology Associates P.A is located at 425 Holderrieth Blvd Ste 114, Tomball, TX 77375. The listed phone number is (281) 205-7522.

What is Tomball Gastroenterology Associates P.A's specialty?

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

Is Tomball Gastroenterology Associates P.A enrolled in Medicare?

Yes. Tomball Gastroenterology Associates P.A is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Tomball Gastroenterology Associates P.A?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Tomball Gastroenterology Associates 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 Tomball Gastroenterology Associates P.A was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.