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

MARTIN ALLEN JOHNSON LCSW
NPI 1104479823
Social Worker - Clinical in San Bernardino, CA

Active since July 22, 2019
686 E MILL ST, SAN BERNARDINO, CA 92415(909) 798-8455 Get Directions Write a Review

NPPES record last updated: June 21, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 10, 2025, Oct 14, 2022, May 21, 2021 and 1 more (4 updates tracked since 2019).

About Martin Allen Johnson Lcsw NPPES

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

MARTIN ALLEN JOHNSON LCSW (NPI 1104479823) is an individual clinical provider in San Bernardino, California, licensed in California (132380) and active in the NPI registry since July 2019.

NPPES Registry Identity

NPI1104479823
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMARTIN ALLEN JOHNSONCredential: LCSW
Location Address686 E MILL STSan Bernardino, CA 92415-4219
Mailing Address686 E Mill StSan Bernardino, CA 92415-0647 · (909) 798-8455
Phone(909) 798-8455
Sole ProprietorNo
Enumeration DateJuly 22, 2019
Last NPPES UpdateJune 21, 20264 updates tracked since enumeration
NPPES CertifiedJune 21, 2026
✔ NPI 1104479823 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 · 132380
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.
686 E MILL ST, San Bernardino, CA 92415
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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.

MRS. ESMERALDA ARELLANO
Student in an Organized Health Care Education/Training Program
686 E MILL ST
SAN BERNARDINO, CA 92415
San Bernardino County (909) 798-8455
SHELDON SMITH
Marriage & Family Therapist
686 E MILL ST
SAN BERNARDINO, CA 92415
San Bernardino County (909) 798-8455
EDEN PADILLA
Day Training/Habilitation Specialist
686 E MILL ST
SAN BERNARDINO, CA 92415
San Bernardino County (909) 798-8455
APRIL CELESTE JOHNSON
Marriage & Family Therapist
686 E MILL ST
SAN BERNARDINO, CA 92415
San Bernardino County (909) 798-8500
KARLA ALVAREZ-OVALLE
Marriage & Family Therapist
686 E MILL ST
SAN BERNARDINO, CA 92415
San Bernardino County (800) 451-5633
MS. KRISTINE B COE AMFT
Marriage & Family Therapist
686 E MILL ST
SAN BERNARDINO, CA 92415
San Bernardino County (800) 451-5633
DR. ALEJANDRA DIAZ PSYD
Psychologist (Clinical)
686 E MILL ST
SAN BERNARDINO, CA 92415
San Bernardino County (909) 798-8452
ANNA M PEREZ-GASTELUM
Student in an Organized Health Care Education/Training Program
686 E MILL ST
SAN BERNARDINO, CA 92415
San Bernardino County (800) 451-5633

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 Martin Johnson's NPI number?

The NPI number for Martin Johnson is 1104479823. It was assigned to this individual provider in the NPPES registry on July 22, 2019.

Where is Martin Johnson located?

Martin Johnson practices at 686 E Mill St, San Bernardino, CA 92415. The listed phone number is (909) 798-8455.

What is Martin Johnson'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 Martin Johnson was last updated on June 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 52 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.