Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

MR. MICHAEL GLENN OSTASH LCSW
NPI 1033030655
Social Worker - Clinical in Santa Rosa, CA

Active since July 21, 2026
3841 BRICKWAY BLVD, SANTA ROSA, CA 95403(707) 569-2300 Get Directions Write a Review

NPPES record added: July 21, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mr. Michael Glenn Ostash Lcsw NPPES

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

MR. MICHAEL GLENN OSTASH LCSW (NPI 1033030655) is an individual clinical provider in Santa Rosa, California, licensed in California (25030) and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1033030655
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. MICHAEL GLENN OSTASHCredential: LCSW
Location Address3841 BRICKWAY BLVDSanta Rosa, CA 95403-8226
Mailing Address3841 Brickway BlvdSanta Rosa, CA 95403-8226 · (707) 569-2300
Sole ProprietorNo
Enumeration DateJuly 21, 2026
NPPES CertifiedJuly 21, 2026
NPI 1033030655 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 · 25030
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.

3841 BRICKWAY BLVD, Santa Rosa, CA 95403

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.

Clinic/Center (VA)
3841 BRICKWAY BLVD
SANTA ROSA, CA 95403
Social Worker (Clinical)
3841 BRICKWAY BLVD
SANTA ROSA, CA 95403
Nurse Practitioner (Family)
3841 BRICKWAY BLVD
SANTA ROSA, CA 95403
Nurse Practitioner (Gerontology)
3841 BRICKWAY BLVD, HBPC, VA SAN FRANCISCO HEALTH CARE SYSTEM
SANTA ROSA, CA 95403
Physical Therapist
3841 BRICKWAY BLVD
SANTA ROSA, CA 95403
Audiologist
3841 BRICKWAY BLVD
SANTA ROSA, CA 95403
Social Worker (Clinical)
3841 BRICKWAY BLVD
SANTA ROSA, CA 95403
Licensed Vocational Nurse
3841 BRICKWAY BLVD
SANTA ROSA, CA 95403

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 Ostash's NPI number?

The NPI number for Michael Ostash is 1033030655. It was assigned to this individual provider in the NPPES registry on July 21, 2026.

Where is Michael Ostash located?

Michael Ostash practices at 3841 Brickway Blvd, Santa Rosa, CA 95403. The listed phone number is (707) 569-2300.

What is Michael Ostash'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 Michael Ostash was last updated on July 21, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.