Psychologist | Clinical Psychology

Dr. Thomas S Merrill, PH.D., ABPP

12682 W Bajada Rd, Peoria, Arizona, 85383-2808

About Dr. Thomas S Merrill

Dr. Thomas S Merrill is a psychologist based in Peoria, Arizona who is specialized in Clinical Psychology. Active license number of Dr. Thomas S Merrill is PSY243 for Clinical Psychology in Hawaii. His current practice location is 12682 W Bajada Rd, Peoria. Patients can contact him at 623-388-4354 or can fax him at 623-388-4354. Dr. Thomas S Merrill, PH.D., ABPP, specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1871660217.

Dr. Thomas S Merrill 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. Thomas S Merrill'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. Thomas S Merrill
Specialization Clinical Psychology
Credentials PH.D., ABPP
Gender Male
Practice Address: 12682 W Bajada Rd,
Peoria, AZ - 85383-2808
Fax 623-388-4354

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 Number1871660217
NPI Enumeration Date: 29 Nov, 2006
NPI Last Update On: 08 Jul, 2007

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. Thomas S Merrill are as mentioned below.

License NumberSpecializationStateStatus
PSY243Clinical Psychology HawaiiPrimary

Mailing Address

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

Dr. Thomas S Merrill
12682 W Bajada Rd,
Peoria, AZ - 85383-2808
Phone: 623-388-4354
Fax: 623-388-4354

Book an Appointment with Dr. Thomas S Merrill

To schedule an appointment, contact Dr. Thomas S Merrill at 12682 W Bajada Rd, Peoria, Arizona or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Thomas S Merrill:

Dr. Thomas S Merrill 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. Thomas S Merrill 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. Thomas S Merrill practices at 12682 W Bajada Rd, Peoria, Arizona, 85383-2808.

To schedule an appointment with Dr. Thomas S Merrill, please contact the office at 623-388-4354.

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