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JOHN ROBERT MATHIAS MD
NPI 1639239643
Internal Medicine - Gastroenterology in Houston, TX

Active since December 11, 2006
7501 FANNIN STE 705, HOUSTON, TX 77054(713) 795-4843(713) 795-4839 Get Directions Write a Review

NPPES record last updated: March 19, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About John Robert Mathias Md NPPES

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

JOHN ROBERT MATHIAS MD (NPI 1639239643) is an individual gastroenterology provider in Houston, Texas, licensed in Texas (H5378) and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1639239643
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameJOHN ROBERT MATHIASCredential: MD
Location Address7501 FANNIN STE 705Houston, TX 77054
Mailing Address7501 Fannin Ste 705Houston, TX 77054 · (713) 795-4843 · Fax (713) 795-4839
Phone(713) 795-4843
Fax(713) 795-4839
Sole ProprietorNo
Enumeration DateDecember 11, 2006
Last NPPES UpdateMarch 19, 2008
✔ NPI 1639239643 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 · H5378
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.
7501 FANNIN STE 705, Houston, TX 77054
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Other Identifiers 3

Medicare PIN00U21STX
Other00U21STX · Bc Bs Of Texas
Medicare UPINC47709

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 John Mathias's NPI number?

The NPI number for John Mathias is 1639239643. It was assigned to this individual provider in the NPPES registry on December 11, 2006.

Where is John Mathias located?

John Mathias practices at 7501 Fannin Ste 705, Houston, TX 77054. The listed phone number is (713) 795-4843.

What is John Mathias'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 John Mathias was last updated on March 19, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.