DENISE L VILLEGAS
NPI 1891980439
Social Worker in San Francisco, CA

Q: What is Denise Villegas's NPI number?

The NPI number for Denise Villegas is 1891980439. It was assigned to this individual provider in the NPPES registry on September 6, 2007.

Q: What is Denise Villegas's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Denise Villegas was last updated on September 6, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.

Active since September 06, 2007PECOS Enrolled

1990 41ST AVE, SAN FRANCISCO, CA 94116(415) 753-7400 Get Directions Write a Review

NPPES record last updated: September 6, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Denise L Villegas NPPES

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

DENISE L VILLEGAS (NPI 1891980439) is an individual social worker in San Francisco, California and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891980439

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameDENISE L VILLEGAS

Location Address1990 41ST AVESan Francisco, CA 94116-1101

Mailing Address1990 41st AveSan Francisco, CA 94116-1101 · (415) 753-7400

Phone(415) 753-7400

Sole ProprietorYes

Enumeration DateSeptember 6, 2007

✔ NPI 1891980439 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers

Taxonomy Code104100000X

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.

1990 41ST AVE, San Francisco, CA 94116

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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)

Denise L Villegas 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 Reassignment

Medicare enrollment records show Denise Villegas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc

4.0 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

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

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. ANNA R FISHER RN

Registered Nurse