Psychologist | Clinical Psychology

John Hayes, PSY.D.

12 Parmenter Rd, Londonderry, New Hampshire, 03053-3280

About John Hayes

John Hayes is a psychologist based in Londonderry, New Hampshire who is specialized in Clinical Psychology. Active license number of John Hayes is 584 for Clinical Psychology in New Hampshire. His current practice location is 12 Parmenter Rd, Londonderry. Patients can contact him at 603-437-2069 or can fax him at 603-437-5588. John Hayes, PSY.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1427327030.

John Hayes 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

John Hayes'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 Hayes
Specialization Clinical Psychology
Credentials PSY.D.
Gender Male
Practice Address: 12 Parmenter Rd,
Londonderry, NH - 03053-3280
Fax 603-437-5588

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 Number1427327030
NPI Enumeration Date: 28 Dec, 2011
NPI Last Update On: 28 Dec, 2011

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 Hayes are as mentioned below.

License NumberSpecializationStateStatus
584Clinical Psychology New HampshirePrimary
584Clinical Child & Adolescent Psychology New HampshireSecondary

Mailing Address

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

John Hayes
17 Northrup Dr,
Brentwood, NH - 03833-6221
Phone: 603-772-1912

Book an Appointment with John Hayes

To schedule an appointment, contact John Hayes at 12 Parmenter Rd, Londonderry, New Hampshire or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about John Hayes:

John Hayes 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, John Hayes 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 Hayes practices at 12 Parmenter Rd, Londonderry, New Hampshire, 03053-3280.

To schedule an appointment with John Hayes, please contact the office at 603-437-2069.

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