Psychologist | Clinical Psychology

Dr. John Kolligian Jr., PH.D.

Washington Rd, Mccosh Health Center, Princeton, New Jersey, 08544-0001

About Dr. John Kolligian Jr.

Dr. John Kolligian Jr. is a psychologist based in Princeton, New Jersey who is specialized in Clinical Psychology. Active license number of Dr. John Kolligian Jr. is 4414 for Clinical Psychology in New Jersey. His current practice location is Washington Rd, Mccosh Health Center, Princeton. Patients can contact him at 609-258-3285. Dr. John Kolligian Jr., PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1760606099.

Dr. John Kolligian Jr. 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). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. John Kolligian Jr.'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. John Kolligian Jr.
Specialization Clinical Psychology
Credentials PH.D.
Gender Male
Practice Address: Washington Rd, Mccosh Health Center
Princeton, NJ - 08544-0001

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 Number1760606099
NPI Enumeration Date: 11 Apr, 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. John Kolligian Jr. are as mentioned below.

License NumberSpecializationStateStatus
4414Clinical Psychology New JerseyPrimary
PSY1000197Clinical Psychology District Of ColumbiaSecondary
012135Clinical Psychology New YorkSecondary

Mailing Address

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

Dr. John Kolligian Jr.
10 Westcott Rd,
Princeton, NJ - 08540-3060
Phone: 609-430-0486

Book an Appointment with Dr. John Kolligian Jr.

To schedule an appointment, contact Dr. John Kolligian Jr. at Washington Rd, Mccosh Health Center, Princeton, New Jersey or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. John Kolligian Jr.:

Dr. John Kolligian Jr. is a psychologist specializing in Clinical Psychology. He 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). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. John Kolligian Jr. 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. John Kolligian Jr. practices at Washington Rd, Mccosh Health Center, Princeton, New Jersey, 08544-0001.

To schedule an appointment with Dr. John Kolligian Jr., please contact the office at 609-258-3285.

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