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JOHN B. CLEMMONS, JR., M.D., P.A.
NPI 1578862959
Internal Medicine - Gastroenterology in Houston, TX

Active since March 24, 2011
1213 HERMANN DR STE 220, HOUSTON, TX 77004(713) 528-6562(713) 528-1045 Get Directions Write a Review

NPPES record last updated: February 8, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About John B. Clemmons, Jr., M.d., P.a. NPPES

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

JOHN B. CLEMMONS, JR., M.D., P.A. (NPI 1578862959) is a healthcare organization registered as a gastroenterology in Houston, Texas and active in the NPI registry since March 2011. The organization lists John Clemmons, Owner/physician, as its authorized official.

NPPES Registry Identity

NPI1578862959
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameJOHN B. CLEMMONS, JR., M.D., P.A.
Location Address1213 HERMANN DR STE 220Houston, TX 77004-7009
Mailing Address1213 Hermann Dr Ste 220Houston, TX 77004-7009 · (713) 528-6562 · Fax (713) 528-1045
Phone(713) 528-6562
Fax(713) 528-1045
Organization SubpartNo
Authorized OfficialJohn ClemmonsOwner/physician · (713) 528-6562
Enumeration DateMarch 24, 2011
Last NPPES UpdateFebruary 8, 2022
NPPES CertifiedFebruary 8, 2022
✔ NPI 1578862959 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 · G0677
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.
1213 HERMANN DR STE 220, Houston, TX 77004
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Other Identifiers 1

Medicaid035370801TX

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

John B. Clemmons, Jr., M.d., 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 John B. Clemmons, Jr., M.D., P.A., which bills Medicare for the services this clinician delivers.

Clinician (1)

John Clemmons, M.D.
Gastroenterology
NPI 1518997477
1213 HERMANN DR STE 220
Houston, TX 77004
(713) 528-6562
✔ 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 John B. Clemmons, Jr., M.D., P.A.'s NPI number?

The NPI number for John B. Clemmons, Jr., M.D., P.A. is 1578862959. It was assigned to this organization in the NPPES registry on March 24, 2011.

Where is John B. Clemmons, Jr., M.D., P.A. located?

John B. Clemmons, Jr., M.D., P.A. is located at 1213 Hermann Dr Ste 220, Houston, TX 77004. The listed phone number is (713) 528-6562.

What is John B. Clemmons, Jr., M.D., P.A.'s specialty?

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

Is John B. Clemmons, Jr., M.D., P.A. enrolled in Medicare?

Yes. John B. Clemmons, Jr., M.D., P.A. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through John B. Clemmons, Jr., M.D., P.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to John B. Clemmons, Jr., M.D., 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 John B. Clemmons, Jr., M.D., P.A. was last updated on February 8, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.