Mental Health Therapist

Dennis Mahoney, LCSW-R

423 E 23rd St, New York, New York, 10010-5011

About Dennis Mahoney

Dennis Mahoney is a therapist based in New York, New York who is specialized in Mental Health Counselor. Active license number of Dennis Mahoney is R034989 for Mental Health Counselor in New York. His current practice location is 423 E 23rd St, New York. Patients can reach him at 212-686-7500. Dennis Mahoney, LCSW-R, specializes in Mental Health Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1316240732.

Dennis Mahoney is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. He 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.

Practice Information

Dennis Mahoney specialty, credentials, practice address, contact phone number and fax are as below. Patients can contact the office at the given phone number for appointment.

Provider Name Dennis Mahoney
Specialization Mental Health Counselor
Credentials LCSW-R
Gender Male
Practice Address: 423 E 23rd St,
New York, NY - 10010-5011

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 Number1316240732
NPI Enumeration Date: 07 Dec, 2010
NPI Last Update On: 14 Apr, 2011

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dennis Mahoney are as mentioned below.

License NumberSpecializationStateStatus
R034989Mental Health Counselor New YorkPrimary

Mailing Address

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

Dennis Mahoney
800 Poly Pl,
Brooklyn, NY - 11209-7104
Phone: 718-748-6102

Book an Appointment with Dennis Mahoney

To schedule an appointment, contact Dennis Mahoney at 423 E 23rd St, New York, New York or call on below stated phone number.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dennis Mahoney:

Dennis Mahoney is a therapist specializing in Mental Health Counselor. He is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. He 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, Dennis Mahoney is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dennis Mahoney practices at 423 E 23rd St, New York, New York, 10010-5011.

To schedule an appointment with Dennis Mahoney, please contact the office at 212-686-7500.

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