NPPES file of Aug 9, 2026

Tami Decoteau, PHD

Psychologist · Fort Yates, ND

Tami Decoteau, PHD is a psychologist with a practice address in Fort Yates, North Dakota, and NPI 1356426993, issued on Oct 25, 2006. Check the license (North Dakota 392, as entered in NPPES) with the North Dakota 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
1356426993
Name
Tami Decoteau
Credential
PHD
Primary taxonomy
Psychologist 103T00000X
License numbers
392 ND
644 NE
Self-reported in NPPES; status is on the state search
Practice location
Indian Health Service, Fort Yates, ND 58538
Phone
(605) 854-8265
Enumerated
Oct 25, 2006
Record last updated
Sep 11, 2025
Medicare enrollment
Enrolled (PECOS I20230430000016); 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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Verify Tami Decoteau in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich North Dakota board licenses this profession
    Search for license 392
    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 North Dakota 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. Decoteau Trauma-Informed Care And Practice PLLCBismarck, ND

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

Tami Decoteau among 143 psychologist records in North Dakota

Tami Decoteau, PHD is one of 143 psychologist records with a practice address in North Dakota. 34% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.

  • NPI issued2006 · 0% of these records are older, 71% newer
  • In a Medicare fileYes · 34% of these records are
  • In the CMS Doctors and Clinicians fileYes · 38% of these records are
  • Graduated2003 · median 2010 among the 54 with a school on file
  • Record last updated2025 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a North Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 psychologist records list a practice address in Fort Yates

They are 2 of the 57 NPPES records with a practice address in Fort Yates, and 143 psychologist records in North Dakota.

The 8 psychologist records with the nearest ZIP codes

  1. Johna Hartnell, PH.D.Fort Yates, ND 585381558377796
  2. Richard Arndorfer, PHDBismarck, ND 585031174586697
  3. David Brooks, PHDBismarck, ND 585031790839934
  4. Nicole Cross-Hillman, PSY.D.Bismarck, ND 585031003149790
  5. Theressa Hanson, PHDBismarck, ND 585031831243088
  6. Christen Herrick, PHDBismarck, ND 585031689829202
  7. James Link, PSY.D.Bismarck, ND 585031689812810
  8. Olivia Ochuba, MDBismarck, ND 585031972172369

Common questions

What is Tami Decoteau, PHD's NPI number?

Tami Decoteau, PHD's National Provider Identifier (NPI) is 1356426993, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tami Decoteau, PHD located?

The NPPES record lists a practice address at Indian Health Service, Fort Yates, ND, 58538. Phone: (605) 854-8265. Providers update this record themselves, so call before visiting.

How can I verify Tami Decoteau, PHD's license?

NPPES lists North Dakota license number 392, as entered by the provider. Search the North Dakota 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.

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.