Addiction Therapist

Geraldine M Gallagher, MPS

2 William Ave, East Islip, New York, 11730-2330

About Geraldine M Gallagher

Geraldine M Gallagher is a therapist based in East Islip, New York who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Geraldine M Gallagher is 002668 for Mental Health Counselor in New York. Her current practice location is 2 William Ave, East Islip. Patients can reach her at 631-224-7700 or can fax her at 631-224-7600. Geraldine M Gallagher is MPS in Addiction (Substance Use Disorder) Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1427259738.

Geraldine M Gallagher is a licensed mental health therapist who help individuals struggling with addiction of alcohol, drug, or other substance use disorder. She helps her clients by manage and overcome the psychological, emotional, and behavioral challenges related to substance use. Counselors also work closely with families and support systems to help them better understand their loved one’s illness. SUD counselors help to promote long-term sobriety, emotional stability, and overall mental wellness for both the individual and their family.

Practice Information

Geraldine M Gallagher speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Geraldine M Gallagher
Specialization Addiction (Substance Use Disorder) Counselor
Credentials MPS
Gender Female
Practice Address: 2 William Ave,
East Islip, NY - 11730-2330
Fax 631-224-7600

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1427259738
NPI Enumeration Date: 31 May, 2007
NPI Last Update On: 11 Sep, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Geraldine M Gallagher are as mentioned below.

License NumberSpecializationStateStatus
002668Mental Health Counselor New YorkPrimary
928Addiction (Substance Use Disorder) Counselor New YorkSecondary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Geraldine M Gallagher
2 William Ave,
East Islip, NY - 11730-2330

Book an Appointment with Geraldine M Gallagher

To schedule an appointment, contact Geraldine M Gallagher at 2 William Ave, East Islip, New York or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Geraldine M Gallagher:

Geraldine M Gallagher is a therapist specializing in Mental Health Counselor. She is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. She assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Yes, Geraldine M Gallagher is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Geraldine M Gallagher practices at 2 William Ave, East Islip, New York, 11730-2330.

To schedule an appointment with Geraldine M Gallagher, please contact the office at 631-224-7700.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.