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MATTHEW STEVEN MOLLENHAUER LCSW
NPI 1861962235
Social Worker - Clinical in Los Angeles, CA

Active since November 28, 2018
3415 S SEPULVEDA BLVD FL 11, LOS ANGELES, CA 90034(530) 672-1785 Get Directions Write a Review

NPPES record last updated: June 12, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 12, 2025, Nov 28, 2018 (2 updates tracked since 2018).

About Matthew Steven Mollenhauer Lcsw NPPES

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

MATTHEW STEVEN MOLLENHAUER LCSW (NPI 1861962235) is an individual clinical provider in Los Angeles, California, licensed in California (LCSW103794) and active in the NPI registry since November 2018. He maintains a secondary practice location in San Francisco.

NPPES Registry Identity

NPI1861962235
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMATTHEW STEVEN MOLLENHAUERCredential: LCSW
Location Address3415 S SEPULVEDA BLVD FL 11Los Angeles, CA 90034-6060
Mailing Address8844 Fargo LnGranite Bay, CA 95746-9671 · (530) 391-7491
Phone(530) 672-1785
Sole ProprietorYes
Enumeration DateNovember 28, 2018
Last NPPES UpdateJune 12, 20252 updates tracked since enumeration
NPPES CertifiedJune 12, 2025
✔ NPI 1861962235 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 · LCSW103794
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 ListedCounselorTaxonomy 101Y00000X · License ASW85762 (CA)
3415 S SEPULVEDA BLVD FL 11, Los Angeles, CA 90034
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Secondary Practice Location 1

Location 1982 Mission StSan Francisco, CA 94103-2911 · Phone (415) 597-8072 · Fax (415) 597-8004

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 Matthew Mollenhauer's NPI number?

The NPI number for Matthew Mollenhauer is 1861962235. It was assigned to this individual provider in the NPPES registry on November 28, 2018.

Where is Matthew Mollenhauer located?

Matthew Mollenhauer practices at 3415 S Sepulveda Blvd Fl 11, Los Angeles, CA 90034. The listed phone number is (530) 672-1785.

What is Matthew Mollenhauer'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 Matthew Mollenhauer was last updated on June 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.