John Yao, MD FACP
NPI 1275169302 · Internal Medicine Physician · San Francisco, CA
John Yao, MD FACP is a Internal Medicine Physician provider in San Francisco, CA (NPI 1275169302).
Provider details
- NPI number
- 1275169302
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD FACP
- Sex
- Male
- Sole proprietor
- Yes
- License
- G54622 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-03-20
- Last updated
- 2020-03-20
- Certified
- 2020-03-20
Frequently asked questions
- What is John Yao's NPI number?
- John Yao's National Provider Identifier (NPI) is 1275169302, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Yao's specialty?
- John Yao is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Yao located?
- John Yao's practice location on file with NPPES is 229 Brannan St Unit 15c, San Francisco, CA 94107-4059.
- What is John Yao's phone number?
- The practice phone number listed in the NPPES registry for John Yao is (415) 308-9278.
- Is John Yao's NPI active?
- Yes — John Yao's NPI (1275169302) is active in the NPPES registry as of the last update on 2020-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.