Justine Mercedes Duncan is a Bayport, New York based psychologist 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 reach 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.
Complete Profile:
Justine Mercedes Duncan speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Justine Mercedes Duncan |
| Specialization: | General Psychology |
| Gender: | Female |
| Practice Address: | 60 S Ocean Ave, Bayport,
New York, 11705-2214 |
| Phone: | 516-448-8554 |
| Fax: | 516-448-8554 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1689531931 |
| NPI Enumeration Date: | 08 Jan, 2026 |
| NPI Last Update On: | 08 Jan, 2026 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Justine Mercedes Duncan are as mentioned below.
| License Number | Specialization | State | Status | |
| 022739 | General Psychology | New York | Primary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Justine Mercedes Duncan
60 S Ocean Ave,
Bayport, New York |
| Zip: | 11705-2214 |
Patients can reach Justine Mercedes Duncan at
60 S Ocean Ave, Bayport, New York or can
call to book an appointment on 516-448-8554.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 February, 2026.