Yanek Chiu, M.D.
NPI 1588667422 · Colon & Rectal Surgery Physician · San Francisco, CA
Yanek Chiu, M.D. is a Colon & Rectal Surgery Physician provider in San Francisco, CA (NPI 1588667422).
Provider details
- NPI number
- 1588667422
- Entity type
- Individual
- Primary specialty
- Colon & Rectal Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G38389 (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
21 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
- 2005-05-24
- Last updated
- 2008-06-05
Frequently asked questions
- What is Yanek Chiu's NPI number?
- Yanek Chiu's National Provider Identifier (NPI) is 1588667422, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yanek Chiu's specialty?
- Yanek Chiu is listed in the NPPES registry with a primary specialty of Colon & Rectal Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Yanek Chiu located?
- Yanek Chiu's practice location on file with NPPES is 3838 California St, San Francisco, CA 94118-1508.
- What is Yanek Chiu's phone number?
- The practice phone number listed in the NPPES registry for Yanek Chiu is (415) 668-0411.
- Is Yanek Chiu's NPI active?
- Yes — Yanek Chiu's NPI (1588667422) is active in the NPPES registry as of the last update on 2008-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.