Psychologist | General Psychology

Dr. Matthew Grant Liebman, PSY.D.

5 Mountain Blvd, Suite 4, Warren, New Jersey, 07059-5650

About Dr. Matthew Grant Liebman

Dr. Matthew Grant Liebman is a psychologist based in Warren, New Jersey who is specialized in General Psychology. Active license number of Dr. Matthew Grant Liebman is 5803 for General Psychology in New Jersey. His current practice location is 5 Mountain Blvd, Suite 4, Warren. Patients can contact him at 908-757-1399. Dr. Matthew Grant Liebman, PSY.D., specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1871940395.

Dr. Matthew Grant Liebman is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

Dr. Matthew Grant Liebman'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. Matthew Grant Liebman
Specialization General Psychology
Credentials PSY.D.
Gender Male
Practice Address: 5 Mountain Blvd, Suite 4
Warren, NJ - 07059-5650

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 Number1871940395
NPI Enumeration Date: 16 May, 2016
NPI Last Update On: 13 Nov, 2017

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. Matthew Grant Liebman are as mentioned below.

License NumberSpecializationStateStatus
5803General Psychology New JerseyPrimary

Mailing Address

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

Dr. Matthew Grant Liebman
5 Mountain Blvd, Suite 4
Warren, NJ - 07059-5650
Phone: 908-757-1399

Book an Appointment with Dr. Matthew Grant Liebman

To schedule an appointment, contact Dr. Matthew Grant Liebman at 5 Mountain Blvd, Suite 4, Warren, New Jersey or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Matthew Grant Liebman:

Dr. Matthew Grant Liebman is a psychologist specializing in General Psychology. He is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Yes, Dr. Matthew Grant Liebman 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. Matthew Grant Liebman practices at 5 Mountain Blvd, Suite 4, Warren, New Jersey, 07059-5650.

To schedule an appointment with Dr. Matthew Grant Liebman, please contact the office at 908-757-1399.

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