Provider Profile
Mary K. McMahon, LMHC
Unclaimed ProfileAbout Mary Mcmahon
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Specialty
Credentials & Licensing
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.
Contact Information
- (516) 247-6449
- Email not available
Practice Locations
1035 PARK BLVD STE 2C
Massapequa Park, NY 11762
303 5th Ave Rm 905
New York, NY 10016
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
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. Guide.md cannot book appointments or pass on messages — please call the office directly.
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.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.