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

JAMES PIERCE LICSW
NPI 1265653422
Social Worker - Clinical in Martinez, CA

Active since May 02, 2007
150 MUIR RD, MARTINEZ, CA 94553(530) 841-8500 Get Directions Write a Review

NPPES record last updated: September 10, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

About James Pierce Licsw NPPES

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

JAMES PIERCE LICSW (NPI 1265653422) is an individual clinical provider in Martinez, California, licensed in Vermont (089.0127804) and active in the NPI registry since May 2007.

NPPES Registry Identity

NPI1265653422
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameJAMES PIERCECredential: LICSW
Location Address150 MUIR RDMartinez, CA 94553-4668
Mailing Address2121 Fairlane RdYreka, CA 96097-9494 · (530) 841-8516
Sole ProprietorNo
Enumeration DateMay 2, 2007
Last NPPES UpdateSeptember 10, 2026
NPPES CertifiedSeptember 10, 2026
✔ NPI 1265653422 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 VT · 089.0127804
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.
150 MUIR RD, Martinez, CA 94553

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.

Student in an Organized Health Care Education/Training Program
150 MUIR RD
MARTINEZ, CA 94553
Psychologist (Clinical)
150 MUIR RD
MARTINEZ, CA 94553
Psychologist
150 MUIR RD
MARTINEZ, CA 94553
Occupational Therapist
150 MUIR RD
MARTINEZ, CA 94553
Pharmacist
150 MUIR RD
MARTINEZ, CA 94553
Occupational Therapist
150 MUIR RD
MARTINEZ, CA 94553
Psychiatry & Neurology (Psychiatry)
150 MUIR RD, MENTAL HEALTH CLINIC (116)
MARTINEZ, CA 94553
Psychologist
150 MUIR RD
MARTINEZ, CA 94553

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 James Pierce's NPI number?

The NPI number for James Pierce is 1265653422. It was assigned to this individual provider in the NPPES registry on May 2, 2007.

Where is James Pierce located?

James Pierce practices at 150 Muir Rd, Martinez, CA 94553. The listed phone number is (530) 841-8500.

What is James Pierce'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 James Pierce was last updated on September 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 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.