Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Jon Arthur Martinez, MSW

Individual provider Clinical Social Worker · NPI 1811753882

Jon Arthur Martinez, MSW is a Clinical Social Worker in Downey, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2024
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

7285 Quill Dr
Downey, CA 90242-2001
Phone: (562) 940-8681
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 313793 (CA)

Record details

NPI number1811753882
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW
Sole proprietorYes
NPI enumeratedFebruary 26, 2024
Last updated in NPPESFebruary 26, 2024
Certification dateFebruary 26, 2024
Mailing address728 S Montebello Blvd, Montebello, CA 90640-5904

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