Psychologist | Clinical Psychology

Dr. Susan Nissen, PH.D.

25 Wiltshire Dr, Commack, New York, 11725-3330

About Dr. Susan Nissen

Dr. Susan Nissen is a psychologist based in Commack, New York who is specialized in Clinical Psychology. Active license number of Dr. Susan Nissen is 010793-1 for Clinical Psychology in New York. Her current practice location is 25 Wiltshire Dr, Commack. Patients can contact her at 516-521-4148. Dr. Susan Nissen, PH.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1518015650.

Dr. Susan Nissen is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Susan 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. Susan Nissen
Specialization Clinical Psychology
Credentials PH.D.
Gender Female
Practice Address: 25 Wiltshire Dr,
Commack, NY - 11725-3330

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 Number1518015650
NPI Enumeration Date: 08 Jan, 2007
NPI Last Update On: 08 Jul, 2007

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. Susan Nissen are as mentioned below.

License NumberSpecializationStateStatus
010793-1Clinical 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.

Dr. Susan Nissen
25 Wiltshire Dr,
Commack, NY - 11725-3330
Phone: 516-521-4148

Book an Appointment with Dr. Susan Nissen

To schedule an appointment, contact Dr. Susan Nissen at 25 Wiltshire Dr, Commack, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Susan Nissen:

Dr. Susan Nissen is a psychologist specializing in Clinical Psychology. She is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. Susan 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. Susan Nissen practices at 25 Wiltshire Dr, Commack, New York, 11725-3330.

To schedule an appointment with Dr. Susan Nissen, please contact the office at 516-521-4148.

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