Provider Profile

Joseph M. Williams, MSW, PPSC

Unclaimed Profile

About Joseph Williams

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Specialty

Clinical Social Worker (Primary)

Credentials & Licensing

CA license240192831
NPI1235082454
NPI issued02/17/2026

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Common questions

What does Joseph M. Williams, MSW specialize in?

Joseph M. Williams, MSW is a clinical social worker in San Marcos, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Joseph M. Williams, MSW located?

Joseph M. Williams, MSW is listed at 650 W Mission Rd, San Marcos, CA 92069. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Joseph M. Williams, MSW's phone number?

The number on file is (760) 290-2517. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Joseph M. Williams, MSW's NPI number?

Joseph M. Williams, MSW's National Provider Identifier is 1235082454. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Has Joseph M. Williams, MSW confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Joseph M. Williams, MSW. If this is you, claiming it is free.

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.