Nizar RamzanM.D.,
Nizar Ramzan, M.D., is a Gastroenterology provider in Houston, TX affiliated with 5 ambulatory surgery centers across TX and AZ, as of July 2026.
- NPI1992733992
- Registered2006
- Centers5
- StatesTX · AZ
- Class of1988
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Ambulatory surgery centers
Centers whose service lines match this provider’s: 4 in TX, 1 in AZ. Affiliations change; verify independently.
- Memorial Hermann Texas International Endoscopy Center Dba Texas International Endoscopy CenterHouston, TX · Gastroenterology · 30 on panelView center →
- Medical Center Endoscopy LLCHouston, TX · Gastroenterology · 30 on panelView center →
- Memorial Hermann Surgery Center Texas Medical CenterHouston, TX · ENT, Gastroenterology, Ophthalmology, Orthopedics, Pain management · 30 on panelView center →
- Memorial Hermann Surgery Center Kirby LLCHouston, TX · Gastroenterology, Ophthalmology, Pain management · 30 on panelView center →
- Arizona Digestive CenterScottsdale, AZ · Gastroenterology · 30 on panelView center →
Nizar Ramzan at a glance
- Provider
- Nizar Ramzan
- Credential
- M.D.,
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Houston, TX
- Medical school graduation
- 1988
- NPI registered
- 2006
- NPI
- 1992733992
- 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 Nizar Ramzan practice?
Nizar Ramzan, M.D., is based in Houston, TX and is affiliated with 5 ambulatory surgery centers: Memorial Hermann Texas International Endoscopy Center Dba Texas International Endoscopy Center in Houston, TX, Medical Center Endoscopy LLC in Houston, TX, Memorial Hermann Surgery Center Texas Medical Center in Houston, TX, Memorial Hermann Surgery Center Kirby LLC in Houston, TX, and Arizona Digestive Center in Scottsdale, AZ. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Nizar Ramzan's NPI number?
Nizar Ramzan's National Provider Identifier (NPI) is 1992733992, registered in 2006. Specialty on record: Gastroenterology; credential M.D.,.
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, Nizar Ramzan among them. The Texas Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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