Psychologist | Clinical Psychology | 29+ years experience

Dr. David Mahony, PHD

331 Leonard St, Ste 1f, Brooklyn, New York, 11211-2309

About Dr. David Mahony

Dr. David Mahony is a psychologist based in Brooklyn, New York with 29 years of experience in Clinical Psychology. He completed his graduation in 1997. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. David Mahony is 013606 for Clinical Psychology in New York. His current practice location is 331 Leonard St, Ste 1f, Brooklyn. Patients can contact him at 718-668-1919. Dr. David Mahony, PHD, specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1649226069.

Dr. David Mahony is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. David Mahony's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. David Mahony
Specialization Clinical Psychology
Credentials PHD
Accepts Medicare Assignment Yes
Experience 29+ years
Graduation Year 1997
Gender Male
Practice Address: 331 Leonard St, Ste 1f
Brooklyn, NY - 11211-2309

Professional Identification Codes

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

PAC ID 1052376894
Enrollment ID I20041122000463
NPI Number1649226069
NPI Enumeration Date: 26 May, 2006
NPI Last Update On: 25 Apr, 2018

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 Dr. David Mahony are as mentioned below.

License NumberSpecializationStateStatus
013606Clinical Psychology 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.

Dr. David Mahony
331 Leonard St, Ste 1f
Brooklyn, NY - 11211-2309
Phone: 718-668-1919
Fax: 347-384-2607

Book an Appointment with Dr. David Mahony

To schedule an appointment, contact Dr. David Mahony at 331 Leonard St, Ste 1f, Brooklyn, New York or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. David Mahony:

Dr. David Mahony is a psychologist specializing in Clinical Psychology. He is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Dr. David Mahony has approximately 29 years of experience in Clinical Psychology.

Yes, Dr. David Mahony accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. David Mahony 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.

Dr. David Mahony practices at 331 Leonard St, Ste 1f, Brooklyn, New York, 11211-2309.

To schedule an appointment with Dr. David Mahony, please contact the office at 718-668-1919.

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