Psychologist | General Psychology

Dr. Kevin Joseph Nissen, PH.D.

79 Middleville Rd, Northport, New York, 11768-2200

About Dr. Kevin Joseph Nissen

Dr. Kevin Joseph Nissen is a psychologist based in Northport, New York who is specialized in General Psychology. His current practice location is 79 Middleville Rd, Northport. Patients can contact him at 631-261-4400. Dr. Kevin Joseph Nissen, PH.D., specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1245093616.

Dr. Kevin Joseph Nissen 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. Kevin Joseph Nissen'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. Kevin Joseph Nissen
Specialization General Psychology
Credentials PH.D.
Gender Male
Practice Address: 79 Middleville Rd,
Northport, NY - 11768-2200

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 Number1245093616
NPI Enumeration Date: 30 Jan, 2024
NPI Last Update On: 30 Jan, 2024

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. Kevin Joseph Nissen are as mentioned below.

License NumberSpecializationStateStatus
General Psychology Primary

Mailing Address

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

Dr. Kevin Joseph Nissen
Po Box 34,
Holtsville, NY - 11742-0034
Phone: 631-578-9526

Book an Appointment with Dr. Kevin Joseph Nissen

To schedule an appointment, contact Dr. Kevin Joseph Nissen at 79 Middleville Rd, Northport, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Kevin Joseph Nissen:

Dr. Kevin Joseph Nissen 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. Kevin Joseph Nissen 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. Kevin Joseph Nissen practices at 79 Middleville Rd, Northport, New York, 11768-2200.

To schedule an appointment with Dr. Kevin Joseph Nissen, please contact the office at 631-261-4400.

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