JOHN MARTINSEN
NPI 1790277069
Social Worker - Clinical in Sacramento, CA

Active since June 03, 2018
6833 STOCKTON BLVD STE 485, SACRAMENTO, CA 95823(916) 907-3008 Get Directions Write a Review

NPPES record last updated: April 29, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About John Martinsen NPPES

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

JOHN MARTINSEN (NPI 1790277069) is an individual clinical provider in Sacramento, California and active in the NPI registry since June 2018.

NPPES Registry Identity

NPI1790277069
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameJOHN MARTINSEN
Location Address6833 STOCKTON BLVD STE 485Sacramento, CA 95823-2376
Mailing Address6833 Stockton Blvd Ste 485Sacramento, CA 95823-2376 · (916) 907-3008
Sole ProprietorYes
Enumeration DateJune 3, 2018
Last NPPES UpdateApril 29, 2026
NPPES CertifiedApril 29, 2026
NPI 1790277069 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
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.
6833 STOCKTON BLVD STE 485, Sacramento, CA 95823

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.

Case Manager/Care Coordinator
6833 STOCKTON BLVD STE 485
SACRAMENTO, CA 95823
Case Manager/Care Coordinator
6833 STOCKTON BLVD STE 485
SACRAMENTO, CA 95823
Marriage & Family Therapist
6833 STOCKTON BLVD STE 485
SACRAMENTO, CA 95823
Marriage & Family Therapist
6833 STOCKTON BLVD STE 485
SACRAMENTO, CA 95823
Case Manager/Care Coordinator
6833 STOCKTON BLVD STE 485
SACRAMENTO, CA 95823
Social Worker (Clinical)
6833 STOCKTON BLVD STE 485
SACRAMENTO, CA 95823
Adult Companion
6833 STOCKTON BLVD STE 485
SACRAMENTO, CA 95823
Case Manager/Care Coordinator
6833 STOCKTON BLVD STE 485
SACRAMENTO, CA 95823

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 John Martinsen's NPI number?

The NPI number for John Martinsen is 1790277069. It was assigned to this individual provider in the NPPES registry on June 3, 2018.

Where is John Martinsen located?

John Martinsen practices at 6833 Stockton Blvd Ste 485, Sacramento, CA 95823. The listed phone number is (916) 907-3008.

What is John Martinsen'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 John Martinsen was last updated on April 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.