Michael ChangM.D.
Gastroenterology·San Diego, CA
Michael Chang, M.D. is a Gastroenterology provider in San Diego, CA affiliated with 1 ambulatory surgery center in CA, as of July 2026.
- NPI1114155488
- Registered2009
- Centers1
- StateCA
- Class of2009
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.
Michael Chang at a glance
- Provider
- Michael Chang
- Credential
- M.D.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- San Diego, CA
- Medical school graduation
- 2009
- NPI registered
- 2009
- NPI
- 1114155488
- 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 Michael Chang practice?
Michael Chang, M.D. is based in San Diego, CA and is affiliated with 1 ambulatory surgery center: San Diego Endoscopy Center in San Diego, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Michael Chang's NPI number?
Michael Chang's National Provider Identifier (NPI) is 1114155488, registered in 2009. Specialty on record: Gastroenterology; credential M.D.
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, Michael Chang among them. The California Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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