Psychologist

Dr. James L Mastrich Jr., ED.D.

4475 Route 27, Kingston, New Jersey, 08528-9601

About Dr. James L Mastrich Jr.

Dr. James L Mastrich Jr. is a psychologist based in Kingston, New Jersey who is specialized in Psychology. Active license number of Dr. James L Mastrich Jr. is 35SI00223800 for Psychology in New Jersey. His current practice location is 4475 Route 27, Kingston. Patients can contact him at 609-921-3665 or can fax him at 609-397-1971. Dr. James L Mastrich Jr., ED.D., specializes in Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1649392671.

Dr. James L Mastrich Jr. 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. James L Mastrich Jr.'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. James L Mastrich Jr.
Specialization Psychology
Credentials ED.D.
Gender Male
Practice Address: 4475 Route 27,
Kingston, NJ - 08528-9601
Fax 609-397-1971

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 Number1649392671
NPI Enumeration Date: 03 Apr, 2007
NPI Last Update On: 11 Sep, 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. James L Mastrich Jr. are as mentioned below.

License NumberSpecializationStateStatus
35SI00223800Psychology New JerseyPrimary
35SI00223800General Psychology New JerseySecondary
35SI00223800Addiction (Substance Use Disorder) Psychology New JerseySecondary
35SI00223800Cognitive & Behavioral Psychology New JerseySecondary
35SI00223800Counseling Psychology New JerseySecondary
35SI00223800Exercise & Sports Psychology New JerseySecondary
35SI00223800Group Psychotherapy New JerseySecondary

Mailing Address

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

Dr. James L Mastrich Jr.
4475 Route 27,
Kingston, NJ - 08528-9601
Phone: 609-921-3665
Fax: 609-397-1971

Book an Appointment with Dr. James L Mastrich Jr.

To schedule an appointment, contact Dr. James L Mastrich Jr. at 4475 Route 27, Kingston, New Jersey or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. James L Mastrich Jr.:

Dr. James L Mastrich Jr. is a psychologist specializing in 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. James L Mastrich Jr. 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. James L Mastrich Jr. practices at 4475 Route 27, Kingston, New Jersey, 08528-9601.

To schedule an appointment with Dr. James L Mastrich Jr., please contact the office at 609-921-3665.

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