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

MS. Sara Frances Okabayashi-Williams, FNP

Individual provider Family Nurse Practitioner · NPI 1427169762

MS. Sara Frances Okabayashi-Williams, FNP is a Nurse Practitioner in Daly City, California. Qualified in 2006, 20 years ago. Practices with County of San Mateo, a 316-clinician group and accepts Medicare assignment. Licensed in California and New York.

Years since qualifying
20
Licensed in
CA, NY
In the registry since
2006
Specialties on file
2
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

380 90th St
Daly City, CA 94015-1807
Phone: (650) 301-8406
Fax: (650) 301-8626
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 20390 (CA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence F334934-1 (NY)

Record details

NPI number1427169762
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedAugust 31, 2006
Last updated in NPPESJuly 10, 2012

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice County Of San Mateo — 316 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Daly City