Francis YaoMD
Gastroenterology·San Francisco, CA
Francis Yao, MD is a Gastroenterology provider in San Francisco, CA, as of July 2026.
- NPI1134177470
- Registered2006
- Class of1987
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Francis Yao at a glance
- Provider
- Francis Yao
- Credential
- MD
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- San Francisco, CA
- Medical school graduation
- 1987
- NPI registered
- 2006
- NPI
- 1134177470
- 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 Francis Yao practice?
Francis Yao, MD is based in San Francisco, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Francis Yao's NPI number?
Francis Yao's National Provider Identifier (NPI) is 1134177470, registered in 2006. Specialty on record: Gastroenterology; credential MD.
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, Francis Yao among them. The California Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
Pilot Analysis
Get the complete Francis Yao analysis
Tell us where to send it. Our team will prepare an analysis of Francis Yao covering case volumes, referral patterns, payer mix, and how specialty peers compare, and email it to you within 5-10 business days. Need it faster? Book a demo.