Psychologist | General Psychology

Justine Marie Koo, PSYD

1600 Deer Park Ave, Deer Park, New York, 11729-5208

About Justine Marie Koo

Justine Marie Koo is a psychologist based in Deer Park, New York who is specialized in General Psychology. Active license number of Justine Marie Koo is 023472 for General Psychology in New York. Her current practice location is 1600 Deer Park Ave, Deer Park. Patients can contact her at 631-242-2250. Justine Marie Koo, PSYD, specializes in General Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1336781392.

Justine Marie Koo is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, she performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. She 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

Justine Marie Koo'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 Justine Marie Koo
Specialization General Psychology
Credentials PSYD
Gender Female
Practice Address: 1600 Deer Park Ave,
Deer Park, NY - 11729-5208

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 Number1336781392
NPI Enumeration Date: 11 Oct, 2019
NPI Last Update On: 11 Oct, 2019

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 Justine Marie Koo are as mentioned below.

License NumberSpecializationStateStatus
023472General 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.

Justine Marie Koo
1600 Deer Park Ave,
Deer Park, NY - 11729-5208
Phone: 631-242-2250

Book an Appointment with Justine Marie Koo

To schedule an appointment, contact Justine Marie Koo at 1600 Deer Park Ave, Deer Park, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Justine Marie Koo:

Justine Marie Koo is a psychologist specializing in General Psychology. She is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, she performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. She 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, Justine Marie Koo 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.

Justine Marie Koo practices at 1600 Deer Park Ave, Deer Park, New York, 11729-5208.

To schedule an appointment with Justine Marie Koo, please contact the office at 631-242-2250.

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