Psychologist | General Psychology

Justine Mercedes Duncan

60 S Ocean Ave, Bayport, New York, 11705-2214

About Justine Mercedes Duncan

Justine Mercedes Duncan is a psychologist based in Bayport, New York who is specialized in General Psychology. Active license number of Justine Mercedes Duncan is 022739 for General Psychology in New York. Her current practice location is 60 S Ocean Ave, Bayport. Patients can contact her at 516-448-8554 or can fax her at 516-448-8554. Justine Mercedes Duncan NPI number (Unique professional ID assigned by NPPES) is 1689531931.

Justine Mercedes Duncan 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 Mercedes Duncan'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 Mercedes Duncan
Specialization General Psychology
Gender Female
Practice Address: 60 S Ocean Ave,
Bayport, NY - 11705-2214
Fax 516-448-8554

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 Number1689531931
NPI Enumeration Date: 08 Jan, 2026
NPI Last Update On: 08 Jan, 2026

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 Mercedes Duncan are as mentioned below.

License NumberSpecializationStateStatus
022739General 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 Mercedes Duncan
60 S Ocean Ave,
Bayport, NY - 11705-2214

Book an Appointment with Justine Mercedes Duncan

To schedule an appointment, contact Justine Mercedes Duncan at 60 S Ocean Ave, Bayport, New York or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Justine Mercedes Duncan:

Justine Mercedes Duncan 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 Mercedes Duncan 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 Mercedes Duncan practices at 60 S Ocean Ave, Bayport, New York, 11705-2214.

To schedule an appointment with Justine Mercedes Duncan, please contact the office at 516-448-8554.

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