MARY FRANCES MCMAHON LCSW
NPI 1437816378
Social Worker - Clinical in South Hempstead, NY

Active since November 28, 2021
509 WILLOW ST, SOUTH HEMPSTEAD, NY 11550(516) 946-3464 Get Directions Write a Review

NPPES record last updated: November 28, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mary Frances Mcmahon Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY FRANCES MCMAHON LCSW (NPI 1437816378) is an individual clinical provider in South Hempstead, New York, licensed in New York (070348) and active in the NPI registry since November 2021.

NPPES Registry Identity

NPI1437816378
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARY FRANCES MCMAHONCredential: LCSW
Location Address509 WILLOW STSouth Hempstead, NY 11550-8018
Mailing Address509 Willow StSouth Hempstead, NY 11550-8018 · (516) 946-3464
Sole ProprietorYes
Enumeration DateNovember 28, 2021
NPPES CertifiedNovember 28, 2021
NPI 1437816378 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in NY · 070348
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
509 WILLOW ST, South Hempstead, NY 11550

Other Names 1

Former Name (1)Mary Frances Kelnhofer Lcsw

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Mcmahon's NPI number?

The NPI number for Mary Mcmahon is 1437816378. It was assigned to this individual provider in the NPPES registry on November 28, 2021. The provider is also known as Mary Frances Kelnhofer Lcsw.

Where is Mary Mcmahon located?

Mary Mcmahon practices at 509 Willow St, South Hempstead, NY 11550. The listed phone number is (516) 946-3464.

What is Mary Mcmahon's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Mary Mcmahon was last updated on November 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.