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WILLIAM M ASHBY SR.
NPI 1063993400
Social Worker - Clinical in Van Nuys, CA

Active since August 23, 2018
16650 SHERMAN WAY, VAN NUYS, CA 91406(818) 901-4836 Get Directions Write a Review

NPPES record last updated: April 28, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 28, 2026, Feb 5, 2026, Mar 20, 2025 and 1 more (4 updates tracked since 2018).

About William M Ashby Sr. NPPES

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

WILLIAM M ASHBY SR. (NPI 1063993400) is an individual clinical provider in Van Nuys, California, licensed in California (138255) and active in the NPI registry since August 2018.

NPPES Registry Identity

NPI1063993400
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameWILLIAM M ASHBY SR.
Location Address16650 SHERMAN WAYVan Nuys, CA 91406-3782
Mailing Address16650 Sherman WayVan Nuys, CA 91406-3782 · (818) 901-4836
Phone(818) 901-4836
Sole ProprietorNo
Enumeration DateAugust 23, 2018
Last NPPES UpdateApril 28, 20264 updates tracked since enumeration
NPPES CertifiedApril 28, 2026
✔ NPI 1063993400 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 · 138255
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 ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 191022 (CA)
16650 SHERMAN WAY, Van Nuys, CA 91406
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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.

KEVIN SCOTT KLEIN ASW
Social Worker (Clinical)
16650 SHERMAN WAY
VAN NUYS, CA 91406
Los Angeles County (818) 901-4830
ANNALIE SABRINA FRANCO LCSW
Social Worker (Clinical)
16650 SHERMAN WAY
VAN NUYS, CA 91406
Los Angeles County (818) 785-0103
MR. ROBERT FLORENTINO ABAD PASCUAL
Marriage & Family Therapist
16650 SHERMAN WAY
VAN NUYS, CA 91406
Los Angeles County (818) 901-4836
BROOKE LARSEN
Student in an Organized Health Care Education/Training Program
16650 SHERMAN WAY
VAN NUYS, CA 91406
Los Angeles County (818) 425-6551
OLIVIA MORRIS
Rehabilitation Practitioner
16650 SHERMAN WAY
VAN NUYS, CA 91406
Los Angeles County (323) 979-1774
ELMA FRANCO
Rehabilitation Practitioner
16650 SHERMAN WAY
VAN NUYS, CA 91406
Los Angeles County (818) 785-0145
MS. STEFANIE JOY OKUMURA LCSW
Social Worker (Clinical)
16650 SHERMAN WAY
VAN NUYS, CA 91406
Los Angeles County (818) 901-4836
SAN FERNANDO VALLEY COMMUNITY MENTAL HEALTH CENTER, INC.
Psychiatry & Neurology (Psychiatry)
16650 SHERMAN WAY
VAN NUYS, CA 91406
Los Angeles County (818) 901-4830

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 William Ashby's NPI number?

The NPI number for William Ashby is 1063993400. It was assigned to this individual provider in the NPPES registry on August 23, 2018.

Where is William Ashby located?

William Ashby practices at 16650 Sherman Way, Van Nuys, CA 91406. The listed phone number is (818) 901-4836.

What is William Ashby'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 William Ashby was last updated on April 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.