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About WARREN

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Areas of Expertise

Addiction & Substance Abuse Counselor (Primary)

Licensing & Certification

NY license28773
NPI1134074248
NPI issued03/03/2026

Source: NPPES NPI Registry

Common questions

What does Dr. Warren specialize in?

Dr. Warren is an addiction & substance abuse counselor in Cortland, NY. 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. Warren located?

Dr. Warren is listed at 29 CHARLES ST, Cortland, NY 13045. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Warren's phone number?

The number on file is (607) 756-9313. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Warren's NPI number?

Dr. Warren's National Provider Identifier is 1134074248. 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. Warren confirmed this information?

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

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