KATHERINE NICOLAU
NPI 1891109484
Social Worker - Clinical in Stockton, CA

Active since June 11, 2014
2040 WEST LN, STOCKTON, CA 95205(209) 272-2025 Get Directions Write a Review

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

About Katherine Nicolau NPPES

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

KATHERINE NICOLAU (NPI 1891109484) is an individual clinical provider in Stockton, California, licensed in California (95966) and active in the NPI registry since June 2014.

NPPES Registry Identity

NPI1891109484
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameKATHERINE NICOLAU
Location Address2040 WEST LNStockton, CA 95205-3358
Mailing Address5201 Great America Pkwy, Ste 320Santa Clara, CA 95054-1140
Sole ProprietorNo
Enumeration DateJune 11, 2014
Last NPPES UpdateFebruary 23, 2026
NPPES CertifiedFebruary 23, 2026
NPI 1891109484 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in CA · 95966
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.
Also ListedCase Manager/Care CoordinatorTaxonomy 171M00000X
2040 WEST LN, Stockton, CA 95205

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 Katherine Nicolau's NPI number?

The NPI number for Katherine Nicolau is 1891109484. It was assigned to this individual provider in the NPPES registry on June 11, 2014.

Where is Katherine Nicolau located?

Katherine Nicolau practices at 2040 West Ln, Stockton, CA 95205. The listed phone number is (209) 272-2025.

What is Katherine Nicolau's specialty?

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

When was this NPI record last updated?

The NPPES record for Katherine Nicolau was last updated on February 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.