MR. MARK W. BONTRAGER MSW, LCSW
NPI 1801946785
Social Worker - Clinical in Napa, CA

Active since January 11, 2007

NPPES record last updated: September 25, 2015. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mr. Mark W. Bontrager Msw, Lcsw NPPES

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

MR. MARK W. BONTRAGER MSW, LCSW (NPI 1801946785) is an individual clinical provider in Napa, California, licensed in California (23579) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1801946785
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. MARK W. BONTRAGERCredential: MSW, LCSW
Location Address1801 OAK STNapa, CA 94559-2337
Mailing AddressPo Box 841Napa, CA 94559-0841 · (707) 224-8266
Sole ProprietorNo
Enumeration DateJanuary 11, 2007
Last NPPES UpdateSeptember 25, 2015
NPI 1801946785 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 · 23579
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.

1801 OAK ST, Napa, CA 94559

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Case Management
1801 OAK ST
NAPA, CA 94559
Social Worker (Clinical)
1801 OAK ST
NAPA, CA 94559
Community/Behavioral Health
1801 OAK ST
NAPA, CA 94559
Community/Behavioral Health
1801 OAK ST
NAPA, CA 94559
Community/Behavioral Health
1801 OAK ST
NAPA, CA 94559
Community/Behavioral Health
1801 OAK ST
NAPA, CA 94559
Community/Behavioral Health
1801 OAK ST
NAPA, CA 94559
Community/Behavioral Health
1801 OAK ST
NAPA, CA 94559

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 Mark Bontrager's NPI number?

The NPI number for Mark Bontrager is 1801946785. It was assigned to this individual provider in the NPPES registry on January 11, 2007.

Where is Mark Bontrager located?

Mark Bontrager practices at 1801 Oak St, Napa, CA 94559. The listed phone number is (707) 224-8266.

What is Mark Bontrager'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 Mark Bontrager was last updated on September 25, 2015. NPI Profile syncs with the weekly NPPES data releases published by CMS.