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ANDY YEN LCSW
NPI 1023521010
Social Worker in Daly City, CA

Active since November 13, 2017PECOS Enrolled
2100 JUNIPERO SERRA BLVD # 650, DALY CITY, CA 94014(650) 991-6200 Get Directions Write a Review

NPPES record last updated: March 9, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 9, 2026, Mar 3, 2026, Dec 30, 2021 and 1 more (4 updates tracked since 2017).

About Andy Yen Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ANDY YEN LCSW (NPI 1023521010) is an individual social worker in Daly City, California, licensed in California (79029) and active in the NPI registry since November 2017. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023521010
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameANDY YENCredential: LCSW
Location Address2100 JUNIPERO SERRA BLVD # 650Daly City, CA 94014-1907
Mailing Address2100 Junipero Serra Blvd # 650Daly City, CA 94014-1907
Phone(650) 991-6200
Sole ProprietorNo
Enumeration DateNovember 13, 2017
Last NPPES UpdateMarch 9, 20264 updates tracked since enumeration
NPPES CertifiedMarch 9, 2026
✔ NPI 1023521010 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
Licenses✔ Licensed in CA · 79029✔ Licensed in WA · LW60897197
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
2100 JUNIPERO SERRA BLVD # 650, Daly City, CA 94014
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Andy Yen Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Andy Yen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Permanente Medical Group Inc
6.0 mi
Internal Medicine
2238 GEARY
San Francisco, CA 94116
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1841373800 (415) 833-2200
Sud Specialty Group - Ca
34 mi
Addiction Medicine
4633 OLD IRONSIDES DR STE 304
Santa Clara, CA 95054
  • Reassigned Medicare billing, California enrollment
  • 1,607 clinicians in this Medicare group
NPI 1972138238 (323) 205-7088
Grow Healthcare Group PC
41 mi
Mental Health
99 S ALMADEN BLVD STE 600
San Jose, CA 95113
  • Reassigned Medicare billing, California enrollment
  • 3,139 clinicians in this Medicare group
NPI 1154994846 (408) 402-4385
Grow Healthcare Group PA
2,597 mi
Mental Health
66 W FLAGLER ST STE 900
Miami, FL 33130
  • Reassigned Medicare billing, Washington enrollment
  • 519 clinicians in this Medicare group
NPI 1245845932 (786) 244-7711

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Andy Yen's NPI number?

The NPI number for Andy Yen is 1023521010. It was assigned to this individual provider in the NPPES registry on November 13, 2017.

Where is Andy Yen located?

Andy Yen practices at 2100 Junipero Serra Blvd # 650, Daly City, CA 94014. The listed phone number is (650) 991-6200.

What is Andy Yen's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Andy Yen enrolled in Medicare?

Yes. Andy Yen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Andy Yen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andy Yen reassigns Medicare benefits to 4 organizations: Permanente Medical Group Inc (San Francisco, CA), Sud Specialty Group - Ca (Santa Clara, CA), Grow Healthcare Group PC (San Jose, CA) and Grow Healthcare Group PA (Miami, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Andy Yen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Andy Yen was last updated on March 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.