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

ARTHUR WAYNE FREDERICK M.S.W., L.C.S.W.
NPI 1780931261
Social Worker in Los Osos, CA

Active since August 14, 2012
1800 DONNA AVE, LOS OSOS, CA 93402(805) 123-4567 Get Directions Write a Review

NPPES record last updated: July 26, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Arthur Wayne Frederick M.s.w., L.c.s.w. NPPES

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

ARTHUR WAYNE FREDERICK M.S.W., L.C.S.W. (NPI 1780931261) is an individual social worker in Los Osos, California, licensed in California (LCS10732) and active in the NPI registry since August 2012.

NPPES Registry Identity

NPI1780931261
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameARTHUR WAYNE FREDERICKCredential: M.S.W., L.C.S.W.
Location Address1800 DONNA AVELos Osos, CA 93402-2508
Mailing AddressPo Box 6477Los Osos, CA 93412-6477
Sole ProprietorNo
Enumeration DateAugust 14, 2012
Last NPPES UpdateJuly 26, 2026
NPI 1780931261 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License Licensed in CA · LCS10732
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
1800 DONNA AVE, Los Osos, CA 93402

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 Arthur Frederick's NPI number?

The NPI number for Arthur Frederick is 1780931261. It was assigned to this individual provider in the NPPES registry on August 14, 2012.

Where is Arthur Frederick located?

Arthur Frederick practices at 1800 Donna Ave, Los Osos, CA 93402. The listed phone number is (805) 123-4567.

What is Arthur Frederick's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Arthur Frederick was last updated on July 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 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.