Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mary Kathleen McMahon, LMHC

Individual provider Mental Health Counselor · NPI 1215857487

Mary Kathleen McMahon, LMHC is a Mental Health Counselor in Massapequa Park, New York. Works from 2 locations. Licensed in New York.

Licensed in
NY
In the registry since
2026
What do these letters mean?
LMHC — Licensed Mental Health Counselor
A licensed mental health counsellor; the title used in Florida, New York and Washington among others.

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Practice location Address checks out

1035 Park Blvd Ste 2C
Massapequa Park, NY 11762-2743
Phone: (516) 247-6449
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 303 5th Ave Rm 905, New York, NY 10016-6682 — (516) 247-6449

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 017914 (NY)

Record details

NPI number1215857487
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMHC
Sole proprietorNo
NPI enumeratedJuly 17, 2026
Last updated in NPPESJuly 17, 2026
Certification dateJuly 17, 2026

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