Psychologist | Clinical Psychology

Dr. Ilona Harris, PH.D.

20 Nassau St, Suite 246, Princeton, New Jersey, 08542-4509

About Dr. Ilona Harris

Dr. Ilona Harris is a psychologist based in Princeton, New Jersey who is specialized in Clinical Psychology. Active license number of Dr. Ilona Harris is 5522 for Clinical Psychology in New Jersey. Her current practice location is 20 Nassau St, Suite 246, Princeton. Patients can contact her at 908-307-7136. Dr. Ilona Harris, PH.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1730552910.

Dr. Ilona Harris 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. Ilona Harris'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. Ilona Harris
Specialization Clinical Psychology
Credentials PH.D.
Gender Female
Practice Address: 20 Nassau St, Suite 246
Princeton, NJ - 08542-4509

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 Number1730552910
NPI Enumeration Date: 10 Nov, 2015
NPI Last Update On: 10 Nov, 2015

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. Ilona Harris are as mentioned below.

License NumberSpecializationStateStatus
5522Clinical Psychology New JerseyPrimary
5522Clinical Child & Adolescent Psychology New JerseySecondary

Mailing Address

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

Dr. Ilona Harris
32 Randall Rd,
Princeton, NJ - 08540-3610
Phone: 908-307-7136

Book an Appointment with Dr. Ilona Harris

To schedule an appointment, contact Dr. Ilona Harris at 20 Nassau St, Suite 246, Princeton, New Jersey or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Ilona Harris:

Dr. Ilona Harris 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. Ilona Harris 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. Ilona Harris practices at 20 Nassau St, Suite 246, Princeton, New Jersey, 08542-4509.

To schedule an appointment with Dr. Ilona Harris, please contact the office at 908-307-7136.

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