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

Individual provider Registered Dietitian · NPI 1174767461

MS. Sarah Koszyk, MA, RD is a Registered Dietitian in San Francisco, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2009
Specialties on file
3
What do these letters mean?
MA — Master of Arts
A graduate arts degree.
RD — Registered Dietitian
A credentialed nutrition professional.

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Practice location Address checks out

870 Market St Ste 1175
San Francisco, CA 94102-3099
Phone: (415) 398-2102
Fax: (415) 398-2120
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 941080 (CA)
Pediatric Nutrition Registered Dietitian Taxonomy 133VN1004X · Licence 974080 (CA)
Metabolic Nutrition Registered Dietitian Taxonomy 133VN1006X · Licence 974080 (CA)

Record details

NPI number1174767461
Entity typeIndividual (Type 1)
GenderFemale
Credentials MA , RD
Sole proprietorYes
NPI enumeratedApril 30, 2009
Last updated in NPPESNovember 6, 2012

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