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

Tiffany Xu, RDN

Individual provider Registered Dietitian · NPI 1932712098

Tiffany Xu, RDN is a Registered Dietitian in Oakland, California. Practices as a sole proprietor. Registered with an NPI since 2020.

In the registry since
2020
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

600 William St Apt 416
Oakland, CA 94612-5411
Phone: (630) 605-9408
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X

Record details

NPI number1932712098
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDN
Sole proprietorYes
NPI enumeratedAugust 28, 2020
Last updated in NPPESAugust 28, 2020
Certification dateAugust 27, 2020

Other providers in Oakland