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

Maria W. Yiu, PHD

Individual provider Clinical Medical Laboratory · NPI 1770756967

Maria W. Yiu, PHD is a Clinical Medical Laboratory in San Francisco, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2008
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

185 Berry Street 2nd Fl Campus Box 0134
San Francisco, CA 94143-0001
Phone: (415) 353-4809
Fax: (415) 353-4828
Show map & directions

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

Specialties & licences

Clinical Medical Laboratory (primary) Taxonomy 291U00000X · Licence DRM47 (CA)

Record details

NPI number1770756967
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 8, 2008
Last updated in NPPESApril 8, 2008

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