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3 RIVERS MENTAL HEALTH SOLUTIONS LLC
NPI 1861729535
Community/Behavioral Health in Missoula, MT

Active since November 17, 2009
1620 REGENT ST STE A, MISSOULA, MT 59801(406) 830-3294 Get Directions Write a Review

NPPES record last updated: February 19, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 19, 2025, Mar 30, 2021 (2 updates tracked since 2021).

About 3 Rivers Mental Health Solutions Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

3 RIVERS MENTAL HEALTH SOLUTIONS LLC (NPI 1861729535) is a healthcare organization registered as a community/behavioral health in Missoula, Montana and active in the NPI registry since November 2009. The organization lists Tae Hartless, Manager, as its authorized official.

NPPES Registry Identity

NPI1861729535
Entity TypeOrganization
Primary Taxonomy251S00000X
Legal Business Name3 RIVERS MENTAL HEALTH SOLUTIONS LLC
Location Address1620 REGENT ST STE AMissoula, MT 59801-5665
Mailing Address1620 Regent St Ste AMissoula, MT 59801-5665 · (406) 830-3294 · Fax (406) 258-0367
Phone(406) 830-3294
Organization SubpartNo
Authorized OfficialTae HartlessManager · (406) 830-3294
Enumeration DateNovember 17, 2009
Last NPPES UpdateFebruary 19, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 19, 2025
✔ NPI 1861729535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 6

★ Primary SpecialtyCommunity/Behavioral HealthAgencies
Taxonomy Code251S00000X
License✔ Licensed in MT · 12754
Definition
A private or public agency usually under local government jurisdiction, responsible for assuring the delivery of community based mental health, intellectual disabilities, substance abuse and/or behavioral health services to individuals with those disabilities. Services may range from companion care, respite, transportation, community integration, crisis intervention and stabilization, supported employment, day support, prevocational services, residential support, therapeutic and supportive consultation, environmental modifications, intensive in-home therapy and day treatment, in addition to traditional mental health and behavioral treatment.
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X
Also ListedCase ManagementTaxonomy 251B00000X · License 12127 (MT)
Also ListedClinic/Center · Adult Mental HealthTaxonomy 261QM0850X
Also ListedCommunity Based Residential Treatment Facility, Mental IllnessTaxonomy 320800000X
1620 REGENT ST STE A, Missoula, MT 59801
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

3 Rivers Mental Health Solutions Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

7

Medicare enrollment records show 7 clinicians reassign Medicare billing to 3 Rivers Mental Health Solutions LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 4 within 10 miles. They are listed nearest first.

Clinicians, nearest first (7)

Michael Thein, M.D.
Psychiatry
NPI 1184744088
1048 BURLINGTON AVE STE 103
Missoula, MT 59801
(406) 830-3294
✔ PECOS✔ Accepts MedicareSame address
Phillip Holman, M.D.
Psychiatry
NPI 1407928765
715 KENSINTGTON AVE. SUITE 24B
Missoula, MT 59801
(406) 830-3294
✔ PECOS✔ Accepts Medicare0.3 mi
Jeffrey Doyle, LCSW
Clinical Social Worker
NPI 1578062915
734 S 5TH ST W
Missoula, MT 59801
(406) 531-7351
✔ PECOS✔ Accepts Medicare0.8 mi
John Wood, SWLC
Clinical Social Worker
NPI 1427729698
9393 US HIGHWAY 10 W
Missoula, MT 59808
(210) 417-7437
✔ PECOS10.0 mi
Sheila Hurd, PMHNP
Nurse Practitioner
NPI 1366922551
35401 MISSION DR
Saint Ignatius, MT 59865
(406) 745-3525
✔ PECOS✔ Accepts Medicare32 mi
Camille Erickson, LCSW, LAC
Clinical Social Worker
NPI 1528648342
400 CONLEY LAKE RD
Deer Lodge, MT 59722
(406) 415-6280
✔ PECOS✔ Accepts Medicare66 mi
Steven Edwards, L.C.S.W.
Clinical Social Worker
NPI 1457331605
1020 S MAIN ST
Salt Lake City, UT 84101
(888) 949-4864
✔ PECOS✔ Accepts Medicare435 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is 3 Rivers Mental Health Solutions LLC's NPI number?

The NPI number for 3 Rivers Mental Health Solutions LLC is 1861729535. It was assigned to this organization in the NPPES registry on November 17, 2009.

Where is 3 Rivers Mental Health Solutions LLC located?

3 Rivers Mental Health Solutions LLC is located at 1620 Regent St Ste A, Missoula, MT 59801. The listed phone number is (406) 830-3294.

What is 3 Rivers Mental Health Solutions LLC's specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

Is 3 Rivers Mental Health Solutions LLC enrolled in Medicare?

Yes. 3 Rivers Mental Health Solutions LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through 3 Rivers Mental Health Solutions LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 3 Medicare specialties reassign their Medicare billing to 3 Rivers Mental Health Solutions LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Clinical Social Worker (4), Psychiatry (2) and Nurse Practitioner (1). Of these, 1 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does 3 Rivers Mental Health Solutions LLC accept?

Health plans from Blue Cross and Blue Shield of Montana list 3 Rivers Mental Health Solutions LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for 3 Rivers Mental Health Solutions LLC was last updated on February 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.