Psychologist | Clinical Psychology

Dr. Joseph Viola, PH.D.

5247 Wisconsin Ave Nw, Suite 4, Washington, District Of Columbia, 20015-2012

About Dr. Joseph Viola

Dr. Joseph Viola is a psychologist based in Washington, District Of Columbia who is specialized in Clinical Psychology. Active license number of Dr. Joseph Viola is PSY1000350 for Clinical Psychology in District Of Columbia. His current practice location is 5247 Wisconsin Ave Nw, Suite 4, Washington. Patients can contact him at 202-686-7699. Dr. Joseph Viola, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1093061848.

Dr. Joseph Viola 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 Viola'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 Viola
Specialization Clinical Psychology
Credentials PH.D.
Gender Male
Practice Address: 5247 Wisconsin Ave Nw, Suite 4
Washington, DC - 20015-2012

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 Number1093061848
NPI Enumeration Date: 31 Jul, 2012
NPI Last Update On: 31 Jul, 2012

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 Viola are as mentioned below.

License NumberSpecializationStateStatus
PSY1000350Clinical Psychology District Of ColumbiaPrimary

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 Viola
5247 Wisconsin Ave Nw, Suite 4
Washington, DC - 20015-2012

Book an Appointment with Dr. Joseph Viola

To schedule an appointment, contact Dr. Joseph Viola at 5247 Wisconsin Ave Nw, Suite 4, Washington, District Of Columbia or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Joseph Viola:

Dr. Joseph Viola 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 Viola 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 Viola practices at 5247 Wisconsin Ave Nw, Suite 4, Washington, District Of Columbia, 20015-2012.

To schedule an appointment with Dr. Joseph Viola, please contact the office at 202-686-7699.

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