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LAUREN WILLIAMS LCSW
NPI 1215605076
Social Worker - Clinical in San Francisco, CA

Active since September 04, 2021Opted out of Medicare · through Jul 17, 2027
2369 GREEN ST APT 1, SAN FRANCISCO, CA 94123(401) 829-9389 Get Directions Write a Review

NPPES record last updated: September 4, 2021. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Lauren Williams Lcsw NPPES

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

LAUREN WILLIAMS LCSW (NPI 1215605076) is an individual clinical provider in San Francisco, California, licensed in California (103508) and active in the NPI registry since September 2021. She has opted out of Medicare through July 17, 2027.

NPPES Registry Identity

NPI1215605076
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameLAUREN WILLIAMSCredential: LCSW
Location Address2369 GREEN ST APT 1San Francisco, CA 94123-4653
Mailing Address2369 Green St Apt 1San Francisco, CA 94123-4653 · (401) 829-9389
Phone(401) 829-9389
Sole ProprietorYes
Enumeration DateSeptember 4, 2021
NPPES CertifiedSeptember 4, 2021
✔ NPI 1215605076 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · 103508
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
2369 GREEN ST APT 1, San Francisco, CA 94123
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Lauren Williams Lcsw has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 17, 2025 through July 17, 2027.

Opt-Out Effective DateJuly 17, 2025
Opt-Out In Effect ThroughJuly 17, 2027Opt-out affidavits renew automatically every two years unless cancelled

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 Lauren Williams's NPI number?

The NPI number for Lauren Williams is 1215605076. It was assigned to this individual provider in the NPPES registry on September 4, 2021.

Where is Lauren Williams located?

Lauren Williams practices at 2369 Green St Apt 1, San Francisco, CA 94123. The listed phone number is (401) 829-9389.

What is Lauren Williams's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Lauren Williams enrolled in Medicare?

No. Lauren Williams has opted out of Medicare through July 17, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Lauren Williams was last updated on September 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.