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

Cissy Gu, RD

Individual provider Renal Nutrition Registered Dietitian · NPI 1700071305

Cissy Gu, RD is a Renal Nutrition Registered Dietitian in San Dimas, California. Practices as a sole proprietor. Licensed in California.

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

See every abbreviation used in this directory →

Practice location Address checks out

1317 Longhorn Dr
San Dimas, CA 91773-1152
Phone: (909) 971-9204
Fax: (909) 971-9206
Show map & directions

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

Specialties & licences

Renal Nutrition Registered Dietitian (primary) Taxonomy 133VN1005X · Licence 866115 (CA)

Record details

NPI number1700071305
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD
Sole proprietorYes
NPI enumeratedSeptember 7, 2007
Last updated in NPPESSeptember 7, 2007
Mailing address1317 Longhorn Dr, San Dimas, CA 91773-1152