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

Individual provider Registered Dietitian · NPI 1831507516

Jan Leslie Speer, RD is a Registered Dietitian in Los Osos, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2014
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.

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Practice location Address checks out

1124 1st St
Los Osos, CA 93402-1102
Phone: (916) 202-5609
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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 504029 (CA)

Record details

NPI number1831507516
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD
Sole proprietorYes
NPI enumeratedJuly 26, 2014
Last updated in NPPESJuly 26, 2014
Mailing address1124 1st St, Los Osos, CA 93402-1102

Other providers in Los Osos