John ClemmonsM.D.
John Clemmons, M.D. is a Gastroenterology provider in Houston, TX affiliated with 4 ambulatory surgery centers in TX, as of July 2026.
- NPI1518997477
- Registered2006
- Centers4
- StateTX
- Class of1975
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Ambulatory surgery centers
Centers whose service lines match this provider’s. Affiliations change; verify independently.
- Memorial Hermann Surgery Center Texas Medical CenterHouston, TX · ENT, Gastroenterology, Ophthalmology, Orthopedics, Pain management · 30 on panelView center →
- Memorial Hermann Texas International Endoscopy Center Dba Texas International Endoscopy CenterHouston, TX · Gastroenterology · 30 on panelView center →
- Memorial Hermann Surgery Center Kirby LLCHouston, TX · Gastroenterology, Ophthalmology, Pain management · 30 on panelView center →
- Medical Center Endoscopy LLCHouston, TX · Gastroenterology · 30 on panelView center →
Education
Education on record as of August 2026.
John Clemmons at a glance
- Provider
- John Clemmons
- Credential
- M.D.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Houston, TX
- Medical school
- Howard University College of Medicine
- Graduated
- 1975
- NPI registered
- 2006
- NPI
- 1518997477
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does John Clemmons practice?
John Clemmons, M.D. is based in Houston, TX and is affiliated with 4 ambulatory surgery centers: Memorial Hermann Surgery Center Texas Medical Center in Houston, TX, Memorial Hermann Texas International Endoscopy Center Dba Texas International Endoscopy Center in Houston, TX, Memorial Hermann Surgery Center Kirby LLC in Houston, TX, and Medical Center Endoscopy LLC in Houston, TX. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is John Clemmons's NPI number?
John Clemmons's National Provider Identifier (NPI) is 1518997477, registered in 2006. Specialty on record: Gastroenterology; credential M.D.
Where did John Clemmons go to medical school?
John Clemmons, M.D. attended Howard University College of Medicine, graduating in 1975.
How many Gastroenterology providers in Texas work at ambulatory surgery centers?
312 Gastroenterology surgeons and proceduralists in Texas are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, John Clemmons among them. The Texas Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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