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Shirley Siu, RD
NPI 1386728582 · Registered Dietitian · San Francisco, CA
Shirley Siu, RD is a Registered Dietitian provider in San Francisco, CA (NPI 1386728582).
Provider details
- NPI number
- 1386728582
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Female
- Sole proprietor
- No
- License
- 963371 (CA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(90/100 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
100% 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
900 Hyde St
San Francisco, CA 94109-4806
Phone: (415) 353-6447
Street-level locationGet directions
Mailing address
420 Dewey Blvd
San Francisco, CA 94116-1425
Registry dates
- Enumerated
- 2006-10-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is Shirley Siu's NPI number?
- Shirley Siu's National Provider Identifier (NPI) is 1386728582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shirley Siu's specialty?
- Shirley Siu is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Shirley Siu located?
- Shirley Siu's practice location on file with NPPES is 900 Hyde St, San Francisco, CA 94109-4806.
- What is Shirley Siu's phone number?
- The practice phone number listed in the NPPES registry for Shirley Siu is (415) 353-6447.
- Is Shirley Siu's NPI active?
- Yes — Shirley Siu's NPI (1386728582) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.