Andy Yen, LCSW
NPI 1023521010 · Social Worker · Daly City, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andy Yen, LCSW is a Social Worker provider in Daly City, CA (NPI 1023521010).
Provider details
- NPI number
- 1023521010
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 79029 (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
8 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
- 2017-11-13
- Last updated
- 2026-03-09
- Certified
- 2026-03-09
Frequently asked questions
- What is Andy Yen's NPI number?
- Andy Yen's National Provider Identifier (NPI) is 1023521010, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andy Yen's specialty?
- Andy Yen is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Andy Yen located?
- Andy Yen's practice location on file with NPPES is 2100 Junipero Serra Blvd # 650, Daly City, CA 94014-1907.
- What is Andy Yen's phone number?
- The practice phone number listed in the NPPES registry for Andy Yen is (650) 991-6200.
- Does Andy Yen accept Medicare?
- Andy Yen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andy Yen's NPI active?
- Yes — Andy Yen's NPI (1023521010) is active in the NPPES registry as of the last update on 2026-03-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.