Physician Profile
Chih Yao Chang, MD
Unclaimed ProfileAbout Dr. Chang
Chih Yao Chang, MD is a hospitalist based in San Francisco, CA. Chih Yao is also listed as specializing in student in an organized health care education program and internal medicine. The provider's National Provider Identifier (NPI) is 1730820739.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (415) 750-5942
- Email not available
Practice Locations
521 PARNASSUS AVE
San Francisco, CA 94143
St. Mary's Medical Center 450 Stanyan Street
San Francisco, CA 94117
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other hospitalists at this location 6
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What does Dr. Chang specialize in?
Dr. Chang is a hospitalist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Chang located?
Dr. Chang is listed at 521 Parnassus Ave, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Chang's phone number?
The number on file is (415) 750-5942. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Chang?
Dr. Chang's National Provider Identifier is 1730820739. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Chang go to medical school?
Dr. Chang attended Other, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Chang have?
Dr. Chang has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
Is Dr. Chang's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chang. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.