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

MICHAEL PAUL HOFSTETTER LCSW
NPI 1689078669
Social Worker in Brea, CA

Q: What is Michael Hofstetter's NPI number?

The NPI number for Michael Hofstetter is 1689078669. It was assigned to this individual provider in the NPPES registry on October 20, 2014.

Q: What is Michael Hofstetter's specialty?

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

Active since October 20, 2014

3434 E DATE ST, BREA, CA 92823(714) 351-3894 Get Directions Write a Review

NPPES record last updated: July 29, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 29, 2026, Feb 25, 2019 (2 updates tracked since 2019).

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About Michael Paul Hofstetter Lcsw NPPES

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

MICHAEL PAUL HOFSTETTER LCSW (NPI 1689078669) is an individual social worker in Brea, California, licensed in California (86213) and active in the NPI registry since October 2014.

NPPES Registry Identity

NPI1689078669

Entity TypeIndividualMale

Primary Taxonomy104100000X

Provider Legal NameMICHAEL PAUL HOFSTETTERCredential: LCSW

Location Address3434 E DATE STBrea, CA 92823-6307

Mailing Address3434 E Date StBrea, CA 92823-6307 · (714) 351-3894

Phone(714) 351-3894

Sole ProprietorYes

Enumeration DateOctober 20, 2014

Last NPPES UpdateJuly 29, 20262 updates tracked since enumeration

NPPES CertifiedJuly 29, 2026

✔ NPI 1689078669 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers

Taxonomy Code104100000X

License✔ Licensed in CA · 86213

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.

Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License 86213 (CA)

3434 E DATE ST, Brea, CA 92823

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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 Michael Hofstetter's NPI number?

The NPI number for Michael Hofstetter is 1689078669. It was assigned to this individual provider in the NPPES registry on October 20, 2014.

Where is Michael Hofstetter located?

Michael Hofstetter practices at 3434 E Date St, Brea, CA 92823. The listed phone number is (714) 351-3894.

What is Michael Hofstetter'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 Michael Hofstetter was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.