Psychology Clinic | Clinical Psychology

John R. Klindienst Ph. D. Clinical Psychologist P.c.

223 Roanoke Avenue, Riverhead, New York, 11901

About John R. Klindienst Ph. D. Clinical Psychologist P.c.

John R. Klindienst Ph. D. Clinical Psychologist P.c. is a psychology clinic located in Riverhead, New York. specializing in Clinical Psychology. The clinic is located at 223 Roanoke Avenue, Riverhead, NY and can be reached at 631-727-1563. The authorized official for John R. Klindienst Ph. D. Clinical Psychologist P.c. is John R Klindienst, who serves the clinic’s President. He/She can be contacted at 631-727-1563. The clinic’s primary license number in New York is 007012 (Clinical) .
John R. Klindienst Ph. D. Clinical Psychologist P.c. Clinic has mental health professionals specialized in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Psychologists main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that psychologists can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Clinic Information

John R. Klindienst Ph. D. Clinical Psychologist P.c. Clinic's specialty, address, contact phone number and fax are as below. Patients can contact the clinic at the given phone number for appointments.

Clinic Name John R. Klindienst Ph. D. Clinical Psychologist P.c.
Specialization Clinical Psychology
Practice Address 223 Roanoke Avenue,
Riverhead, NY - 11901
Fax 361-369-9423

Authorized/Official Person Profile

Officially authorized person to contact for any management issues or complaints for this clinic are as below. Person's position and contact details are also mentioned below.

Name John R Klindienst
Position President
Contact Number 631-727-1563

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 Number1821242876
NPI Enumeration Date: 04 Nov, 2008
NPI Last Update On: 04 Nov, 2008

Medical Licenses

Organizations can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for John R. Klindienst Ph. D. Clinical Psychologist P.c. are as mentioned below.
License NumberSpecializationStateStatus
007012Clinical 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.

John R. Klindienst Ph. D. Clinical Psychologist P.c.
223 Roanoke Ave,
Riverhead, NY - 11901-2778
Phone: 631-727-1563
Fax: 631-369-9423

Book an Appointment with John R. Klindienst Ph. D. Clinical Psychologist P.c.

To schedule an appointment, contact John R. Klindienst Ph. D. Clinical Psychologist P.c. at 223 Roanoke Avenue, Riverhead, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about John R. Klindienst Ph. D. Clinical Psychologist P.c. clinic:

John R. Klindienst Ph. D. Clinical Psychologist P.c. is a psychology clinic specializing in Clinical Psychology.

John R. Klindienst Ph. D. Clinical Psychologist P.c. is located at 223 Roanoke Avenue, Riverhead, New York 11901.

Patients can contact John R. Klindienst Ph. D. Clinical Psychologist P.c. at 631-727-1563 for inquiries about its services and appointments.

Please contact John R. Klindienst Ph. D. Clinical Psychologist P.c. directly to inquire about new-patient availability and appointment options.
* Availability may change.

John R. Klindienst Ph. D. Clinical Psychologist P.c. has mental health professionals specialized in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Psychologists main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that psychologists can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Patients can contact John R. Klindienst Ph. D. Clinical Psychologist P.c. at 631-727-1563 to inquire about appointments, consultation requirements and available services.

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