Psychologist | Forensic Psychology

John Harold Daignault, PSY.D.

222 Forbes Rd, Suite 105, Braintree, Massachusetts, 02184-2706

About John Harold Daignault

John Harold Daignault is a psychologist based in Braintree, Massachusetts who is specialized in Forensic Psychology. Active license number of John Harold Daignault is 3620 for Forensic Psychology in Massachusetts. His current practice location is 222 Forbes Rd, Suite 105, Braintree. Patients can contact him at 781-843-8100. John Harold Daignault, PSY.D., specializes in Forensic Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1427029008.

John Harold Daignault helps to facilitate the legal process by providing psychology expertise to various individuals in the legal system. His understanding and explanations of certain aspects of psychological health can help move along court cases, inform juries, determine the reasons behind crimes being committed, and otherwise play an integral role in the system. Forensic psychologist responsibilities include conducting screenings or assessments of prisoners, investigate psychological disorders among criminal and civil court defendants, and to examine the mental state of criminals to determine if they are able to stand trial.

Practice Information

John Harold Daignault'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 John Harold Daignault
Specialization Forensic Psychology
Credentials PSY.D.
Gender Male
Practice Address: 222 Forbes Rd, Suite 105
Braintree, MA - 02184-2706

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 Number1427029008
NPI Enumeration Date: 31 Jan, 2006
NPI Last Update On: 13 Jul, 2026

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 John Harold Daignault are as mentioned below.

License NumberSpecializationStateStatus
3620Forensic Psychology MassachusettsPrimary
PY 6871Forensic Psychology FloridaSecondary

Mailing Address

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

John Harold Daignault
3031 Sheridan Ave,
Miami Beach, FL - 33140-3943
Phone: 305-545-5244

Book an Appointment with John Harold Daignault

To schedule an appointment, contact John Harold Daignault at 222 Forbes Rd, Suite 105, Braintree, Massachusetts or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about John Harold Daignault:

John Harold Daignault is a psychologist specializing in Forensic Psychology. He helps to facilitate the legal process by providing psychology expertise to various individuals in the legal system. His understanding and explanations of certain aspects of psychological health can help move along court cases, inform juries, determine the reasons behind crimes being committed, and otherwise play an integral role in the system. Forensic psychologist responsibilities include conducting screenings or assessments of prisoners, investigate psychological disorders among criminal and civil court defendants, and to examine the mental state of criminals to determine if they are able to stand trial.

Yes, John Harold Daignault 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.

John Harold Daignault practices at 222 Forbes Rd, Suite 105, Braintree, Massachusetts, 02184-2706.

To schedule an appointment with John Harold Daignault, please contact the office at 781-843-8100.

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