Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

GASTROENTEROLOGY SPECIALISTS OF NORTH HOUSTON, PLLC
NPI 1407300643
Internal Medicine - Gastroenterology in The Woodlands, TX

Q: What is Gastroenterology Specialists Of North Houston, PLLC's specialty?

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

Active since August 04, 2016

150 PINE FOREST DR STE 106, THE WOODLANDS, TX 77384(936) 321-0000(844) 202-3967 Get Directions Write a Review

NPPES record last updated: October 21, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 10, 2023, Aug 17, 2016 (2 updates tracked since 2016).

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About Gastroenterology Specialists Of North Houston, Pllc NPPES

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

GASTROENTEROLOGY SPECIALISTS OF NORTH HOUSTON, PLLC (NPI 1407300643) is a healthcare organization registered as a gastroenterology in The Woodlands, Texas and active in the NPI registry since August 2016. The organization lists Emmy Walter, Manager, as its authorized official.

NPPES Registry Identity

NPI1407300643

Entity TypeOrganization

Primary Taxonomy207RG0100X

Legal Business NameGASTROENTEROLOGY SPECIALISTS OF NORTH HOUSTON, PLLC

Location Address150 PINE FOREST DR STE 106The Woodlands, TX 77384-5302

Mailing Address150 Pine Forest Dr Ste 106The Woodlands, TX 77384-5302 · (936) 321-0000 · Fax (844) 202-3967

Phone(936) 321-0000

Fax(844) 202-3967

Organization SubpartNo

Authorized OfficialEmmy WalterManager · (832) 599-5879

Enumeration DateAugust 4, 2016

Last NPPES UpdateOctober 21, 20262 updates tracked since enumeration

NPPES CertifiedOctober 21, 2026

✔ NPI 1407300643 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.

150 PINE FOREST DR STE 106, The Woodlands, TX 77384

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gastroenterology Specialists Of North Houston, Pllc 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 Gastroenterology Specialists Of North Houston, PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Tawfiq Alam, M.D., PH.D.

Gastroenterology

NPI 1629092689

150 PINE FOREST DR STE 106
The Woodlands, TX 77384

(936) 321-0000

✔ PECOSSame 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 Gastroenterology Specialists Of North Houston, PLLC's NPI number?

The NPI number for Gastroenterology Specialists Of North Houston, PLLC is 1407300643. It was assigned to this organization in the NPPES registry on August 4, 2016.

Where is Gastroenterology Specialists Of North Houston, PLLC located?

Gastroenterology Specialists Of North Houston, PLLC is located at 150 Pine Forest Dr Ste 106, The Woodlands, TX 77384. The listed phone number is (936) 321-0000.

What is Gastroenterology Specialists Of North Houston, PLLC's specialty?

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

Is Gastroenterology Specialists Of North Houston, PLLC enrolled in Medicare?

Yes. Gastroenterology Specialists Of North Houston, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gastroenterology Specialists Of North Houston, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Gastroenterology Specialists Of North Houston, 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Gastroenterology Specialists Of North Houston, PLLC was last updated on October 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days 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.