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

MS. Marcia Yamashiro, RD

Individual provider Registered Dietitian · NPI 1295800753

MS. Marcia Yamashiro, RD is a Registered Dietitian in Concord, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.

See every abbreviation used in this directory →

Practice location Address checks out

1868 Clayton Rd Ste 220
Concord, CA 94520-2547
Phone: (925) 686-9316
Show map & directions

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 013873 (CA)

Record details

NPI number1295800753
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD
Sole proprietorYes
NPI enumeratedNovember 21, 2006
Last updated in NPPESJuly 8, 2007

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