John MartinMD
John Martin, MD is a Gastroenterology provider in Orange, CA affiliated with 4 ambulatory surgery centers in CA, as of July 2026.
- NPI1609808534
- Registered2006
- Centers4
- StateCA
- Class of1989
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.
- La Veta Surgical CenterOrange, CA · ENT, Gastroenterology, Ophthalmology, Orthopedics, Pain management, Urology · 30 on panelView center →
- United Surgery Center Orange LLCOrange, CA · Gastroenterology · 19 on panelView center →
- Main Street Specialty Surgery Center LLCOrange, CA · Gastroenterology, Orthopedics, Pain management, Podiatry · 30 on panelView center →
- Pavilion Surgery CenterOrange, CA · Gastroenterology, General surgery, Ophthalmology, Pain management, Plastic surgery, Urology · 30 on panelView center →
Education
Education on record as of August 2026.
John Martin at a glance
- Provider
- John Martin
- Credential
- MD
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Orange, CA
- Medical school
- University of Virginia School of Medicine
- Graduated
- 1989
- NPI registered
- 2006
- NPI
- 1609808534
- 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 Martin practice?
John Martin, MD is based in Orange, CA and is affiliated with 4 ambulatory surgery centers: La Veta Surgical Center in Orange, CA, United Surgery Center Orange LLC in Orange, CA, Main Street Specialty Surgery Center LLC in Orange, CA, and Pavilion Surgery Center in Orange, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is John Martin's NPI number?
John Martin's National Provider Identifier (NPI) is 1609808534, registered in 2006. Specialty on record: Gastroenterology; credential MD.
Where did John Martin go to medical school?
John Martin, MD attended University of Virginia School of Medicine, graduating in 1989.
How many Gastroenterology providers in California work at ambulatory surgery centers?
547 Gastroenterology surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, John Martin among them. The California Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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