Psychologist | Clinical Psychology | 19+ years experience

Matthew Mackay, PSY.D.

1380 E Medical Center Dr Ste 3100, St George, Utah, 84790-2135

About Matthew Mackay

Matthew Mackay is a psychologist based in St George, Utah with 19 years of experience in Clinical Psychology. He completed his graduation in 2007. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Matthew Mackay is 376697 for Clinical Psychology in Utah. His current practice location is 1380 E Medical Center Dr Ste 3100, St George. Patients can contact him at 435-251-2740. Matthew Mackay, PSY.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1619160645.

Matthew Mackay 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

Matthew Mackay'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 Matthew Mackay
Specialization Clinical Psychology
Credentials PSY.D.
Accepts Medicare Assignment Yes
Experience 19+ years
Graduation Year 2007
Gender Male
Practice Address: 1380 E Medical Center Dr Ste 3100,
St George, UT - 84790-2135

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.

PAC ID 0244480770
Enrollment ID I20141107000074
NPI Number1619160645
NPI Enumeration Date: 22 Aug, 2007
NPI Last Update On: 09 Apr, 2015

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 Matthew Mackay are as mentioned below.

License NumberSpecializationStateStatus
376697Clinical Psychology UtahPrimary
PSY25080Clinical Psychology CaliforniaSecondary

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which Matthew Mackay is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Intermountain Healthcare Services, Inc (1850209420)2442

Mailing Address

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

Matthew Mackay
Po Box 27128,
Salt Lake City, UT - 84127-0128
Phone: 435-251-2740
Fax: 435-251-2741

Book an Appointment with Matthew Mackay

To schedule an appointment, contact Matthew Mackay at 1380 E Medical Center Dr Ste 3100, St George, Utah or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Matthew Mackay:

Matthew Mackay 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.

Matthew Mackay has approximately 19 years of experience in Clinical Psychology.

Yes, Matthew Mackay accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Matthew Mackay 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.

Matthew Mackay practices at 1380 E Medical Center Dr Ste 3100, St George, Utah, 84790-2135.

To schedule an appointment with Matthew Mackay, please contact the office at 435-251-2740.

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