Physician Profile

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About CASTEJON

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Areas of Expertise

Addiction & Substance Abuse Counselor (Primary)

Common questions

What does Dr. Castejon specialise in?

Dr. Castejon is an addiction & substance abuse counselor in Chicago, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Addiction & Substance Abuse Counselor”.

NPI registry

Where is Dr. Castejon located?

Dr. Castejon is listed at 171 W OAK ST APT 11E, Chicago, IL 60610. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Castejon's phone number?

The number on file is (773) 807-1330. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Castejon's NPI number?

Dr. Castejon's National Provider Identifier is 1013867506. 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 Dr. Castejon confirmed this information?

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

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Licensing & Certification

IL licenseCADC-45266
NPI1013867506
NPI issued02/02/2026

Source: NPPES NPI Registry

Related providers

Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.

Other addiction & substance abuse counselors in Chicago 8

Same specialty, same city.

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