Psychologist | Clinical Psychology

Dr. Joseph A Keifer, PSY.D

475 Wall St, Princeton, New Jersey, 08540-1509

About Dr. Joseph A Keifer

Dr. Joseph A Keifer is a psychologist based in Princeton, New Jersey who is specialized in Clinical Psychology. Active license number of Dr. Joseph A Keifer is 35SI00618900 for Clinical Psychology in New Jersey. His current practice location is 475 Wall St, Princeton. Patients can contact him at 609-200-5402. Dr. Joseph A Keifer, PSY.D, specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1982179362.

Dr. Joseph A Keifer 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. Joseph A Keifer'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. Joseph A Keifer
Specialization Clinical Psychology
Credentials PSY.D
Gender Male
Practice Address: 475 Wall St,
Princeton, NJ - 08540-1509

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 Number1982179362
NPI Enumeration Date: 11 Oct, 2018
NPI Last Update On: 08 May, 2023

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. Joseph A Keifer are as mentioned below.

License NumberSpecializationStateStatus
35SI00618900Clinical Psychology New JerseyPrimary
025507Clinical Psychology New YorkSecondary
PS018593Clinical Psychology PennsylvaniaSecondary

Mailing Address

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

Dr. Joseph A Keifer
Po Box 353,
Rocky Hill, NJ - 08553-0353

Book an Appointment with Dr. Joseph A Keifer

To schedule an appointment, contact Dr. Joseph A Keifer at 475 Wall St, Princeton, New Jersey or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Joseph A Keifer:

Dr. Joseph A Keifer 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. Joseph A Keifer 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. Joseph A Keifer practices at 475 Wall St, Princeton, New Jersey, 08540-1509.

To schedule an appointment with Dr. Joseph A Keifer, please contact the office at 609-200-5402.

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