Addiction Therapist

Gwendolyn Denny, CASAC-T

2 Coraci Blvd Ste 15&16, Shirley, New York, 11967-4833

About Gwendolyn Denny

Gwendolyn Denny is a therapist based in Shirley, New York who is specialized in Addiction (Substance Use Disorder) Counselor. Her current practice location is 2 Coraci Blvd Ste 15&16, Shirley. Patients can reach her at 631-696-4357. Gwendolyn Denny is CASAC-T in Addiction (Substance Use Disorder) Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1043105430.

Gwendolyn Denny 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

Gwendolyn Denny 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 Gwendolyn Denny
Specialization Addiction (Substance Use Disorder) Counselor
Credentials CASAC-T
Gender Female
Practice Address: 2 Coraci Blvd Ste 15&16,
Shirley, NY - 11967-4833

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 Number1043105430
NPI Enumeration Date: 09 Jun, 2025
NPI Last Update On: 09 Jun, 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 Gwendolyn Denny are as mentioned below.

License NumberSpecializationStateStatus
Addiction (Substance Use Disorder) Counselor Primary

Mailing Address

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

Gwendolyn Denny
1377 Motor Pkwy Ste 102,
Islandia, NY - 11749-5249

Book an Appointment with Gwendolyn Denny

To schedule an appointment, contact Gwendolyn Denny at 2 Coraci Blvd Ste 15&16, Shirley, New York or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Gwendolyn Denny:

Gwendolyn Denny is a therapist specializing in Addiction (Substance Use Disorder) Counselor. She 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.

Yes, Gwendolyn Denny is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Gwendolyn Denny practices at 2 Coraci Blvd Ste 15&16, Shirley, New York, 11967-4833.

To schedule an appointment with Gwendolyn Denny, please contact the office at 631-696-4357.

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