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

Si Yan MA, RD

Individual provider Registered Dietitian · NPI 1699034611

Si Yan MA, RD is a Registered Dietitian in Chino Hills, California. Practices as a sole proprietor. Licensed in Ohio.

Licensed in
OH
In the registry since
2012
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.

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Practice location Address checks out

2489 Hillsborough Ln
Chino Hills, CA 91709-1113
Phone: (415) 867-4099
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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 1021089 (OH)

Record details

NPI number1699034611
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD
Sole proprietorYes
NPI enumeratedMay 10, 2012
Last updated in NPPESMay 10, 2012

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