NPPES file of Aug 9, 2026

Thomas T. Nguyen, PSY.D., LP

Clinical Psychologist · Saint Paul, MN

Thomas T. Nguyen, PSY.D., LP is a clinical psychologist with a practice address in Saint Paul, Minnesota, and NPI 1043617962, issued on Nov 20, 2014. Check the license (Minnesota LP5801, as entered in NPPES) with the Minnesota board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043617962
Name
Thomas T. Nguyen
Credential
PSY.D., LP
Primary taxonomy
Clinical Psychologist 103TC0700X
License numbers
LP5801 MN
PSY004835 GA
Self-reported in NPPES; status is on the state search
Practice location
1919 University Ave W Ste 200, Saint Paul, MN 55104
Phone
(651) 266-7999
Enumerated
Nov 20, 2014
Record last updated
Mar 27, 2025
Fax
(651) 266-7850
Medicare enrollment
Enrolled (PECOS I20150414000539); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical psychologist records → All 1,538 in Minnesota → Look up another NPI →

Also registered at 1919 University Ave W Ste 200

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. John Andreozzi, LICSWClinical Social Worker1255477667
  2. Derick Chi, MS, LPCCMental Health Counselor1710202130
  3. Garrett Dahl, LICSWClinical Social Worker1447880364
  4. Kyle Davis, LICSWClinical Social Worker1861257578
  5. Krysta DelgadoMental Health Counselor1023362589
  6. Tenzin Dolsel, LADCAddiction (Substance Use Disorder) Counselor1083909105

Verify Thomas T. Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
    Search for license LP5801    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Minnesota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Ramsey County Mental Health CenterSaint Paul, MN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Thomas T. Nguyen among 1,538 clinical psychologist records in Minnesota

Thomas T. Nguyen, PSY.D., LP is one of 1,538 clinical psychologist records with a practice address in Minnesota. 26% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 72% of them.

  • NPI issued2014 · 72% of these records are older, 25% newer
  • In a Medicare fileYes · 26% of these records are
  • In the CMS Doctors and Clinicians fileYes · 33% of these records are
  • Graduated2013 · median 2008 among the 510 with a school on file
  • Record last updated2025 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

133 clinical psychologist records list a practice address in Saint Paul

They are 133 of the 10,084 NPPES records with a practice address in Saint Paul, and 1,538 clinical psychologist records in Minnesota.

All 1,538 in Minnesota → Every provider in Saint Paul → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Christina Colwell, MA LPSaint Paul, MN 551041114952579
  2. Carla CowanSaint Paul, MN 551041598830705
  3. David Decker, MA, LPSaint Paul, MN 551041598704082
  4. Laurie Dunn, PH.D.Saint Paul, MN 551041609816545
  5. Maureen Gaffey, PSY.D.Saint Paul, MN 551041912083528
  6. Thomas Grace, PH.D., L.P.Saint Paul, MN 551041144386616
  7. Donna Johnson, PH.D., LPSaint Paul, MN 551041811901093
  8. Alison Maule Kronmiller, PHD LPSt Paul, MN 551041750443636

Common questions

What is Thomas T. Nguyen, PSY.D., LP's NPI number?

Thomas T. Nguyen, PSY.D., LP's National Provider Identifier (NPI) is 1043617962, issued on Nov 20, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Thomas T. Nguyen, PSY.D., LP located?

The NPPES record lists a practice address at 1919 University Ave W Ste 200, Saint Paul, MN, 55104. Phone: (651) 266-7999. Providers update this record themselves, so call before visiting.

How can I verify Thomas T. Nguyen, PSY.D., LP's license?

NPPES lists Minnesota license number LP5801, as entered by the provider. Search the Minnesota 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.