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

Dr. Michael David Thein, MD

Individual provider Psychiatry Physician · NPI 1184744088

Dr. Michael David Thein, MD is a Psychiatry in Missoula, Montana. Graduated from University of Southern California Keck School of Medicine in 1991, 35 years ago. Practices with 3 Rivers Mental Health Solutions LLC, a 5-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Montana.

Years since qualifying
35
Trained at
University of Southern California Keck School of Medicine
Licensed in
MT
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1048 Burlington Ave Ste 103
Missoula, MT 59801-5684
Phone: (406) 830-3294
Fax: (408) 258-0367
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 61135 (MT)

Record details

NPI number1184744088
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 2, 2007
Last updated in NPPESSeptember 19, 2022
Certification dateSeptember 19, 2022
Mailing address1620 Regent St Ste A, Missoula, MT 59801-5665

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice 3 Rivers Mental Health Solutions Llc — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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