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Wanda Siu-Chan, RD, CDE
NPI 1790901809 · Registered Dietitian · Gilroy, CA
Wanda Siu-Chan, RD, CDE is a Registered Dietitian provider in Gilroy, CA (NPI 1790901809).
Provider details
- NPI number
- 1790901809
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, CDE
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
777 1st St
#171
Gilroy, CA 95020-4918
Phone: (408) 847-8901
Street-level locationGet directions
Mailing address
986 Astoria Dr
Sunnyvale, CA 94087-3007
Registry dates
- Enumerated
- 2007-04-17
- Last updated
- 2008-01-30
Frequently asked questions
- What is Wanda Siu-Chan's NPI number?
- Wanda Siu-Chan's National Provider Identifier (NPI) is 1790901809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wanda Siu-Chan's specialty?
- Wanda Siu-Chan is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Wanda Siu-Chan located?
- Wanda Siu-Chan's practice location on file with NPPES is 777 1st St, Gilroy, CA 95020-4918.
- What is Wanda Siu-Chan's phone number?
- The practice phone number listed in the NPPES registry for Wanda Siu-Chan is (408) 847-8901.
- Is Wanda Siu-Chan's NPI active?
- Yes — Wanda Siu-Chan's NPI (1790901809) is active in the NPPES registry as of the last update on 2008-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.