Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SANDRA OLSHAK LCSW
NPI 1467544098
Social Worker - Clinical in San Francisco, CA

Q: What is Sandra Olshak's NPI number?

The NPI number for Sandra Olshak is 1467544098. It was assigned to this individual provider in the NPPES registry on September 29, 2006.

Q: What is Sandra Olshak's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Sandra Olshak was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days 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 29, 2006

582 MARKET ST STE 1608, SAN FRANCISCO, CA 94104(833) 931-1716(866) 519-5427 Get Directions Write a Review

NPPES record last updated: September 18, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 18, 2026, Feb 21, 2017, Jan 27, 2017 (3 updates tracked since 2017).

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About Sandra Olshak Lcsw NPPES

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

SANDRA OLSHAK LCSW (NPI 1467544098) is an individual clinical provider in San Francisco, California, licensed in California (135278) and active in the NPI registry since September 2006. She maintains a secondary practice location in San Diego.

NPPES Registry Identity

NPI1467544098

Entity TypeIndividualFemale

Primary Taxonomy1041C0700X

Provider Legal NameSANDRA OLSHAKCredential: LCSW

Location Address582 MARKET ST STE 1608San Francisco, CA 94104-5317

Mailing Address582 Market St Ste 1608San Francisco, CA 94104-5317 · (833) 931-1716 · Fax (866) 519-5427

Phone(833) 931-1716

Fax(866) 519-5427

Sole ProprietorNo

Enumeration DateSeptember 29, 2006

Last NPPES UpdateSeptember 18, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 18, 2026

✔ NPI 1467544098 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code1041C0700X

Licenses✔ Licensed in CA · 135278✔ Licensed in IL · 149 007934✔ Licensed in TX · 62848

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.

582 MARKET ST STE 1608, San Francisco, CA 94104

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Secondary Practice Location 1

Location 14295 Gesner St Ste 2ESan Diego, CA 92117-6660 · Phone (833) 931-1716

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, UnitedHealthcare.Insurance ›

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.

DILEEP SHERGILL PMHNP-BC

Nurse Practitioner (Psychiatric/Mental Health)