Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Yanek S.y. Chiu, MD

Individual provider Colon & Rectal Surgery Physician · NPI 1588667422

Yanek S.y. Chiu, MD is a Colon & Rectal Surgery Physician in San Francisco, California. Licensed in California. Registered with an NPI since 2005.

Licensed in
CA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3838 California St Rm 616
San Francisco, CA 94118-1508
Phone: (415) 668-0411
Fax: (415) 668-6352
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Colon & Rectal Surgery Physician (primary) Taxonomy 208C00000X · Licence G38389 (CA)

Record details

NPI number1588667422
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 24, 2005
Last updated in NPPESJune 5, 2008

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