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

Crystal Ayoob, RDN

Individual provider Registered Dietitian · NPI 1457012692

Crystal Ayoob, RDN is a Registered Dietitian in South San Francisco, California. Licensed in California. Registered with an NPI since 2022.

Licensed in
CA
In the registry since
2022
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.

See every abbreviation used in this directory →

Practice location Address checks out

201 Rockwood Dr
South San Francisco, CA 94080-5840
Phone: (650) 255-0105
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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 86108014 (CA)

Record details

NPI number1457012692
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDN
Sole proprietorNo
NPI enumeratedJanuary 9, 2022
Last updated in NPPESJanuary 9, 2022
Certification dateDecember 21, 2021

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