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

Geraldine M Gallagher, MPS

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1427259738

Geraldine M Gallagher, MPS is an Addiction (Substance Use Disorder) Counselor in East Islip, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
In the registry since
2007
Specialties on file
2

Practice location Address checks out

2 William Ave
East Islip, NY 11730-2330
Phone: (631) 224-7700
Fax: (631) 224-7600
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 002668 (NY)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 928 (NY)

Record details

NPI number1427259738
Entity typeIndividual (Type 1)
GenderFemale
Credentials MPS
Sole proprietorNo
NPI enumeratedMay 31, 2007
Last updated in NPPESSeptember 11, 2025

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