John B. Clemmons, Jr., M.D., P.A.
NPI 1578862959 · Gastroenterology Physician · Houston, TX
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John B. Clemmons, Jr., M.D., P.A. is a Gastroenterology Physician organization in Houston, TX (NPI 1578862959).
Provider details
- NPI number
- 1578862959
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Clemmons, Owner/Physician(713) 528-6562
- License
- G0677 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-03-24
- Last updated
- 2022-02-08
- Certified
- 2022-02-08
Frequently asked questions
- What is John B. Clemmons, Jr., M.D., P.A.'s NPI number?
- John B. Clemmons, Jr., M.D., P.A.'s National Provider Identifier (NPI) is 1578862959, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John B. Clemmons, Jr., M.D., P.A.?
- John B. Clemmons, Jr., M.D., P.A. is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is John B. Clemmons, Jr., M.D., P.A. located?
- John B. Clemmons, Jr., M.D., P.A.'s practice location on file with NPPES is 1213 Hermann Dr Ste 220, Houston, TX 77004-7009.
- What is John B. Clemmons, Jr., M.D., P.A.'s phone number?
- The practice phone number listed in the NPPES registry for John B. Clemmons, Jr., M.D., P.A. is (713) 528-6562.
- Does John B. Clemmons, Jr., M.D., P.A. accept Medicare?
- John B. Clemmons, Jr., M.D., P.A. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for John B. Clemmons, Jr., M.D., P.A.?
- The authorized official listed on John B. Clemmons, Jr., M.D., P.A.'s NPPES record is John Clemmons, Owner/Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John B. Clemmons, Jr., M.D., P.A.'s NPI active?
- Yes — John B. Clemmons, Jr., M.D., P.A.'s NPI (1578862959) is active in the NPPES registry as of the last update on 2022-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.