Matthew Mackay, PSY.D.
Clinical Psychologist · St George, UT
Matthew Mackay, PSY.D. is a clinical psychologist with a practice address in St George, Utah, and NPI 1619160645, issued on Aug 22, 2007. Check the license (Utah 376697, as entered in NPPES) with the Utah board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Matthew Mackay
- Credential
- PSY.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License numbers
- 376697 UT
PSY25080 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1380 E Medical Center Dr Ste 3100, St George, UT 84790
- Phone
- (435) 251-2740
- Enumerated
- Aug 22, 2007
- Record last updated
- Apr 9, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 1380 E Medical Center Dr Ste 3100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristin Middione, FNP-C, FNP-BCNurse Practitioner1386539344
- Rachel Thompson, PA-CPhysician Assistant1033514567
- Erik Wilson, DOPediatrics Physician1649767963
Verify Matthew Mackay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Utah board licenses this profession
Search for license 376697Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Clinical Psychologist providers in Utah
There are 437 clinical psychologist records in Utah. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other clinical psychologist records in Utah
- Aylin Acosta, PSYDProvo, UT1750773784
- Chauncey Adams, PHDSt George, UT1437251170
- Jonathan Ahern, PH.D.Ogden, UT1437400447
- Thomas Aikins, PH.D.Salt Lake City, UT1295775898
- Elizabeth Albertsen, PSY.D.West Valley City, UT1871575472
- Geraldine Alldredge, PHDSpringville, UT1598877706
- Steven Allen, PHDSalt Lake City, UT1508804840
- Aaron Allred, PH.D.Orem, UT1326561408
- Chris Anderson, PHDAlpine, UT1699355784
- Kent Anderson, PHDProvidence, UT1932231016
Common questions
What is Matthew Mackay, PSY.D.'s NPI number?
Matthew Mackay, PSY.D.'s National Provider Identifier (NPI) is 1619160645, issued on Aug 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Mackay, PSY.D. located?
The NPPES record lists a practice address at 1380 E Medical Center Dr Ste 3100, St George, UT, 84790. Phone: (435) 251-2740. Providers update this record themselves, so call before visiting.
How can I verify Matthew Mackay, PSY.D.'s license?
NPPES lists Utah license number 376697, as entered by the provider. Search the Utah board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.