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

MICHAEL H ALLEN MD
NPI 1043265796
Internal Medicine - Gastroenterology in Dallas, TX

Active since May 23, 2006
3600 GASTON AVE, WADLEY TOWER STE 960, DALLAS, TX 75246(214) 824-0270(214) 820-1693 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Michael H Allen Md NPPES

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

MICHAEL H ALLEN MD (NPI 1043265796) is an individual gastroenterology provider in Dallas, Texas, licensed in Texas (E7793) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1043265796
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameMICHAEL H ALLENCredential: MD
Location Address3600 GASTON AVE, WADLEY TOWER STE 960Dallas, TX 75246
Mailing Address3600 Gaston Ave, Wadley Tower Ste 960Dallas, TX 75246 · (214) 824-0270 · Fax (214) 820-1693
Phone(214) 824-0270
Fax(214) 820-1693
Sole ProprietorNo
Enumeration DateMay 23, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1043265796 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 · E7793
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.
3600 GASTON AVE, Dallas, TX 75246
Open in Google Maps ↗

Other Identifiers 1

Medicaid00BL59TX

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MAMTA GUPTA MD
Internal Medicine
3600 GASTON AVE, SUITE 550
DALLAS, TX 75246
Dallas County (214) 821-8867
DR. ARIEL MARCELO MODRYKAMIEN M.D.
Internal Medicine (Pulmonary Disease)
3600 GASTON AVE, WADLEY TOWER, SUITE 960
DALLAS, TX 75246
Dallas County (402) 972-6078
SUSAN C. CHESIRE ANP
Nurse Practitioner (Adult Health)
3600 GASTON AVE, WADLEY TOWER, SUITE 651
DALLAS, TX 75246
Dallas County (214) 820-9115
DR. SADAT ANWAR SHAMIM M.D.
Psychiatry & Neurology (Neurology)
3600 GASTON AVE, SUITE 1155
DALLAS, TX 75246
Dallas County (214) 820-4688
KIMBER LEE FOUST MD
Internal Medicine (Critical Care Medicine)
3600 GASTON AVE, WADLEY TOWER STE 960
DALLAS, TX 75246
Dallas County (214) 820-5630
TEXAS SAM HOLDINGS, LLC
Clinic/Center (Sleep Disorder Diagnostic)
3600 GASTON AVE, SUITE 1055
DALLAS, TX 75246
Dallas County (214) 827-0330
DR. CARLOS E VELASCO MD
Internal Medicine (Interventional Cardiology)
3600 GASTON AVE, SUITE 851
DALLAS, TX 75246
Dallas County (214) 826-6044
ROBERT LOUIS KOSTER M.D.
Internal Medicine
3600 GASTON AVE, SUITE 703
DALLAS, TX 75246
Dallas County (214) 823-4200

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 Michael Allen's NPI number?

The NPI number for Michael Allen is 1043265796. It was assigned to this individual provider in the NPPES registry on May 23, 2006.

Where is Michael Allen located?

Michael Allen practices at 3600 Gaston Ave Wadley Tower Ste 960, Dallas, TX 75246. The listed phone number is (214) 824-0270.

What is Michael Allen's specialty?

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

When was this NPI record last updated?

The NPPES record for Michael Allen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 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.