Psychologist | Clinical Psychology

William T. Garrison, PH.D.

55 Lake Ave N, Worcester, Massachusetts, 01655-0002

About William T. Garrison

William T. Garrison is a psychologist based in Worcester, Massachusetts who is specialized in Clinical Psychology. Active license number of William T. Garrison is 2372 for Clinical Psychology in Massachusetts. His current practice location is 55 Lake Ave N, Worcester. Patients can contact him at 774-442-3028. William T. Garrison, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1427037258.

William T. Garrison 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 T. Garrison'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 T. Garrison
Specialization Clinical Psychology
Credentials PH.D.
Gender Male
Practice Address: 55 Lake Ave N,
Worcester, MA - 01655-0002

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 Number1427037258
NPI Enumeration Date: 11 Jan, 2006
NPI Last Update On: 11 Nov, 2020

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 T. Garrison are as mentioned below.

License NumberSpecializationStateStatus
2372Clinical Psychology MassachusettsPrimary

Other Medical Identifiers

Other professional identifiers associated with William T. Garrison such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
0513598MedicaidMassachusetts

Mailing Address

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

William T. Garrison
Po Box 415348,
Boston, MA - 02241-5348
Phone: 800-225-8885
Fax: 508-334-1977

Book an Appointment with William T. Garrison

To schedule an appointment, contact William T. Garrison at 55 Lake Ave N, Worcester, Massachusetts or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about William T. Garrison:

William T. Garrison 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 T. Garrison 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 T. Garrison practices at 55 Lake Ave N, Worcester, Massachusetts, 01655-0002.

To schedule an appointment with William T. Garrison, please contact the office at 774-442-3028.

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