Matthew TsaiM.D., PH.D
Gastroenterology·San Diego, CA
Matthew Tsai, M.D., PH.D is a Gastroenterology provider in San Diego, CA affiliated with 2 ambulatory surgery centers in CA, as of July 2026.
- NPI1285051177
- Registered2014
- Centers2
- StateCA
- Class of2014
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.
Matthew Tsai at a glance
- Provider
- Matthew Tsai
- Credential
- M.D., PH.D
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- San Diego, CA
- Medical school
- University of Miami, LM Miller School of Medicine
- Graduated
- 2014
- NPI registered
- 2014
- NPI
- 1285051177
- 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 Matthew Tsai practice?
Matthew Tsai, M.D., PH.D is based in San Diego, CA and is affiliated with 2 ambulatory surgery centers: Ucsd Surgical Center Of San Diego LLC in San Diego, CA and San Diego Endoscopy Center in San Diego, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Matthew Tsai's NPI number?
Matthew Tsai's National Provider Identifier (NPI) is 1285051177, registered in 2014. Specialty on record: Gastroenterology; credential M.D., PH.D.
Where did Matthew Tsai go to medical school?
Matthew Tsai, M.D., PH.D attended University of Miami, LM Miller School of Medicine, graduating in 2014.
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, Matthew Tsai among them. The California Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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