Psychologist | General Psychology

Johnathan Duff, PHD

5691 Columbia Pike Ste 200, Falls Church, Virginia, 22041-2888

About Johnathan Duff

Johnathan Duff is a psychologist based in Falls Church, Virginia who is specialized in General Psychology. Active license number of Johnathan Duff is 0810005803 for General Psychology in Virginia. His current practice location is 5691 Columbia Pike Ste 200, Falls Church. Patients can contact him at 703-998-5606. Johnathan Duff, PHD, specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1548734460.

Johnathan Duff is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

Johnathan Duff'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 Johnathan Duff
Specialization General Psychology
Credentials PHD
Gender Male
Practice Address: 5691 Columbia Pike Ste 200,
Falls Church, VA - 22041-2888

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 Number1548734460
NPI Enumeration Date: 14 Jan, 2019
NPI Last Update On: 11 Jun, 2019

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 Johnathan Duff are as mentioned below.

License NumberSpecializationStateStatus
0810005803General Psychology VirginiaPrimary

Mailing Address

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

Johnathan Duff
5691 Columbia Pike Ste 200,
Falls Church, VA - 22041-2888
Phone: 703-998-5606

Book an Appointment with Johnathan Duff

To schedule an appointment, contact Johnathan Duff at 5691 Columbia Pike Ste 200, Falls Church, Virginia or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Johnathan Duff:

Johnathan Duff is a psychologist specializing in General Psychology. He is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Yes, Johnathan Duff 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.

Johnathan Duff practices at 5691 Columbia Pike Ste 200, Falls Church, Virginia, 22041-2888.

To schedule an appointment with Johnathan Duff, please contact the office at 703-998-5606.

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