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

Individual provider Registered Dietitian · NPI 1457483091

Ruth Spirakis, RD is a Registered Dietitian OR Nutrition Professional in Palo Alto, California. Qualified in 1987, 39 years ago. Practices with Sutter Bay Medical Foundation, a 3,762-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
39
Licensed in
CA
In the registry since
2007
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.

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Practice location Address checks out

795 El Camino Real
Palo Alto, CA 94301-2302
Phone: (650) 321-4121
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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 724001 (CA)

Record details

NPI number1457483091
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD
Sole proprietorNo
NPI enumeratedMarch 9, 2007
Last updated in NPPESJune 4, 2020
Certification dateJune 4, 2020

Medicare enrollment

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

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Sutter Bay Medical Foundation — 3762 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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