Psychologist | Clinical Psychology

Dr. Jennifer Helaine Byrnes, PH.D.

2635 Merrick Ave, Merrick, New York, 11566-4636

About Dr. Jennifer Helaine Byrnes

Dr. Jennifer Helaine Byrnes is a psychologist based in Merrick, New York who is specialized in Clinical Psychology. Active license number of Dr. Jennifer Helaine Byrnes is 015609 for Clinical Psychology in New York. Her current practice location is 2635 Merrick Ave, Merrick. Patients can contact her at 516-241-7398. Dr. Jennifer Helaine Byrnes, PH.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1720280050.

Dr. Jennifer Helaine Byrnes 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). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Jennifer Helaine Byrnes'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. Jennifer Helaine Byrnes
Specialization Clinical Psychology
Credentials PH.D.
Gender Female
Practice Address: 2635 Merrick Ave,
Merrick, NY - 11566-4636

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.

NPI Number1720280050
NPI Enumeration Date: 31 May, 2007
NPI Last Update On: 05 Mar, 2025

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. Jennifer Helaine Byrnes are as mentioned below.

License NumberSpecializationStateStatus
015609Clinical 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. Jennifer Helaine Byrnes
1981 Marcus Ave, Suite C-119
New Hyde Park, NY - 11042-1038
Phone: 516-390-3525
Fax: 516-396-2195

Book an Appointment with Dr. Jennifer Helaine Byrnes

To schedule an appointment, contact Dr. Jennifer Helaine Byrnes at 2635 Merrick Ave, Merrick, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Jennifer Helaine Byrnes:

Dr. Jennifer Helaine Byrnes is a psychologist specializing in Clinical Psychology. She 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). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. Jennifer Helaine Byrnes 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. Jennifer Helaine Byrnes practices at 2635 Merrick Ave, Merrick, New York, 11566-4636.

To schedule an appointment with Dr. Jennifer Helaine Byrnes, please contact the office at 516-241-7398.

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