Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MS. MARGARET DENISE TAHAN LCSW
NPI 1366411886
Social Worker - Clinical in Mather, CA

Active since March 16, 2006
10633 GRISSOM AVE, MATHER, CA 95655(916) 366-5427(916) 366-5441 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Ms. Margaret Denise Tahan Lcsw NPPES

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

MS. MARGARET DENISE TAHAN LCSW (NPI 1366411886) is an individual clinical provider in Mather, California, licensed in California (LCS20059) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1366411886
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. MARGARET DENISE TAHANCredential: LCSW
Location Address10633 GRISSOM AVEMather, CA 95655-4123
Mailing AddressPo Box 73221Davis, CA 95617-3221 · (916) 366-5427 · Fax (916) 366-5441
Fax(916) 366-5441
Sole ProprietorNo
Enumeration DateMarch 16, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1366411886 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 · LCS20059
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.

10633 GRISSOM AVE, Mather, CA 95655

Other Providers at the Same Location NPPES 10

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

Psychiatry & Neurology (Psychiatry)
10633 GRISSOM AVE, VANCHCS MENTAL HEALTH CLINIC
MATHER, CA 95655
Social Worker (Clinical)
10633 GRISSOM AVE
MATHER, CA 95655
Counselor (Addiction (Substance Use Disorder))
10633 GRISSOM AVE
MATHER, CA 95655
Psychologist (Clinical)
10633 GRISSOM AVE
MATHER, CA 95655
Psychologist (Clinical)
10633 GRISSOM AVE
MATHER, CA 95655
Registered Nurse (Psychiatric/Mental Health, Adult)
10633 GRISSOM AVE
MATHER, CA 95655
Psychologist (Clinical)
10633 GRISSOM AVE, 116 MAT
MATHER, CA 95655
Clinical Neuropsychologist
10633 GRISSOM AVE, SACRAMENTO VA MENTAL HEALTH CLINIC
MATHER, CA 95655

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1366411886, enumerated as an "individual" on March 16, 2006.

The provider is located at 10633 GRISSOM AVE MATHER, CA 95655 and the phone number is (916) 366-5427.

Social Worker with taxonomy code 1041C0700X and a focus in Clinical.