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Ying Ying Guan, RDN
NPI 1295260859 · Registered Dietitian · San Francisco, CA
Ying Ying Guan, RDN is a Registered Dietitian provider in San Francisco, CA (NPI 1295260859).
Provider details
- NPI number
- 1295260859
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RDN
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(64/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
1770 Post St # 208
San Francisco, CA 94115-3606
Phone: (415) 608-8812
Street-level locationGet directions
Mailing address
2121 3rd St Unit 405
San Francisco, CA 94107-3664
Registry dates
- Enumerated
- 2017-04-20
- Last updated
- 2017-04-20
Frequently asked questions
- What is Ying Ying Guan's NPI number?
- Ying Ying Guan's National Provider Identifier (NPI) is 1295260859, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ying Ying Guan's specialty?
- Ying Ying Guan is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Ying Ying Guan located?
- Ying Ying Guan's practice location on file with NPPES is 1770 Post St # 208, San Francisco, CA 94115-3606.
- What is Ying Ying Guan's phone number?
- The practice phone number listed in the NPPES registry for Ying Ying Guan is (415) 608-8812.
- Is Ying Ying Guan's NPI active?
- Yes — Ying Ying Guan's NPI (1295260859) is active in the NPPES registry as of the last update on 2017-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.