Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Tami Decoteau, PHD

Individual provider Psychologist · NPI 1356426993

Tami Decoteau, PHD is a Clinical Psychologist in Fort Yates, North Dakota. Qualified in 2003, 23 years ago. Practices with Decoteau Trauma-Informed Care and Practice PLLC, a 10-clinician group and accepts Medicare assignment. Licensed in North Dakota and Nebraska.

Years since qualifying
23
Licensed in
ND, NE
In the registry since
2006
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Partly verified

Some contact details are missing from the federal record.

Indian Health Service N10 Agency St
Fort Yates, ND 58538
Phone: (605) 854-8265
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 392 (ND)
Clinical Psychologist Taxonomy 103TC0700X · Licence 644 (NE)

Record details

NPI number1356426993
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedOctober 25, 2006
Last updated in NPPESSeptember 11, 2025
Mailing address2608 8th Ave Se, Mandan, ND 58554-6402

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Decoteau Trauma-Informed Care And Practice Pllc — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Fort Yates