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Mary K. McMahon, LMHC

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Where to find Mary K. McMahon, LMHC

About Mary Mcmahon

Listed in the NPI registry as a mental health counselor, Mary K. McMahon, LMHC practices in Massapequa Park, NY. NPI 1215857487 identifies this record in the national registry.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Credentials & Licensing

NY licenceAs reported to the NPI registry
No. 017914As reported
NPINational Provider Identifier
1215857487Issued 2026

As reported to the NPI registry ↗

Common questions

What is Mary K. McMahon's specialty?

Mary K. McMahon is a mental health counselor in Massapequa Park, NY. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where can I find Mary K. McMahon?

Mary K. McMahon is listed at 1035 Park Blvd Ste 2C, Massapequa Park, NY 11762. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Mary K. McMahon?

The number on file is (516) 247-6449. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Mary K. McMahon?

Mary K. McMahon's National Provider Identifier is 1215857487. 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

Is Mary K. McMahon's profile verified?

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

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