Provider Profile

Jonathan Willett

Unclaimed Profile

About Jonathan Willett

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Specialty

Addiction & Substance Abuse Counselor (Primary)

Credentials & Licensing

CA license25568
NPI1982541926
NPI issued04/29/2026

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 kind of doctor is Jonathan Willett?

Jonathan Willett is an addiction & substance abuse counselor in Los Angeles, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

What is Jonathan Willett's address?

Jonathan Willett is listed at 426 S San Pedro St, Los Angeles, CA 90013. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Jonathan Willett?

The number on file is (213) 626-6411. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Jonathan Willett's NPI number?

Jonathan Willett's National Provider Identifier is 1982541926. 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 Jonathan Willett confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Jonathan Willett. 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.