Yuen Ting Tammy Yu
NPI 1770999682 · Social Worker · San Francisco, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yuen Ting Tammy Yu is a Social Worker provider in San Francisco, CA (NPI 1770999682).
Provider details
- NPI number
- 1770999682
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- LCSW88342 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
Mailing address
Registry dates
- Enumerated
- 2014-07-11
- Last updated
- 2023-08-07
- Certified
- 2023-08-07
Frequently asked questions
- What is Yuen Ting Tammy Yu's NPI number?
- Yuen Ting Tammy Yu's National Provider Identifier (NPI) is 1770999682, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yuen Ting Tammy Yu's specialty?
- Yuen Ting Tammy Yu is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Yuen Ting Tammy Yu located?
- Yuen Ting Tammy Yu's practice location on file with NPPES is 1990 41st Ave, San Francisco, CA 94116-1101.
- What is Yuen Ting Tammy Yu's phone number?
- The practice phone number listed in the NPPES registry for Yuen Ting Tammy Yu is (415) 753-7400.
- Does Yuen Ting Tammy Yu accept Medicare?
- Yuen Ting Tammy Yu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yuen Ting Tammy Yu's NPI active?
- Yes — Yuen Ting Tammy Yu's NPI (1770999682) is active in the NPPES registry as of the last update on 2023-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.