Andrew ChangM.D.
Gastroenterology·Loma Linda, CA
Andrew Chang, M.D. is a Gastroenterology provider in Loma Linda, CA affiliated with 1 ambulatory surgery center in CA, as of July 2026.
- NPI1396702874
- Registered2006
- Centers1
- StateCA
- Class of1990
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.
Education
Education on record as of August 2026.
Andrew Chang at a glance
- Provider
- Andrew Chang
- Credential
- M.D.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Loma Linda, CA
- Medical school
- Loma Linda University School of Medicine
- Graduated
- 1990
- NPI registered
- 2006
- NPI
- 1396702874
- 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 Andrew Chang practice?
Andrew Chang, M.D. is based in Loma Linda, CA and is affiliated with 1 ambulatory surgery center: Sierra Endoscopy Center in Grass Valley, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Andrew Chang's NPI number?
Andrew Chang's National Provider Identifier (NPI) is 1396702874, registered in 2006. Specialty on record: Gastroenterology; credential M.D.
Where did Andrew Chang go to medical school?
Andrew Chang, M.D. attended Loma Linda University School of Medicine, graduating in 1990.
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, Andrew Chang among them. The California Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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