Psychologist | Clinical Psychology

William Harrison, PH.D.

100 N Broadway, Irvington, New York, 10533-1254

About William Harrison

William Harrison is a psychologist based in Irvington, New York who is specialized in Clinical Psychology. Active license number of William Harrison is 019306 for Clinical Psychology in New York. His current practice location is 100 N Broadway, Irvington. Patients can contact him at 914-591-7300. William Harrison, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1528284569.

William Harrison 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

William Harrison'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 William Harrison
Specialization Clinical Psychology
Credentials PH.D.
Gender Male
Practice Address: 100 N Broadway,
Irvington, NY - 10533-1254

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 Number1528284569
NPI Enumeration Date: 18 Apr, 2007
NPI Last Update On: 20 Dec, 2013

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 William Harrison are as mentioned below.

License NumberSpecializationStateStatus
019306Clinical Psychology 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.

William Harrison
100 N Broadway,
Irvington, NY - 10533-1254

Book an Appointment with William Harrison

To schedule an appointment, contact William Harrison at 100 N Broadway, Irvington, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about William Harrison:

William Harrison 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, William Harrison 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.

William Harrison practices at 100 N Broadway, Irvington, New York, 10533-1254.

To schedule an appointment with William Harrison, please contact the office at 914-591-7300.

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