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BITTERROOT BEHAVIORAL HEALTH LLC
NPI 1639923691
Social Worker - Clinical in Hamilton, MT

Active since April 16, 2024
320 N 1ST ST STE G, HAMILTON, MT 59840(406) 662-1050 Get Directions Write a Review

NPPES record last updated: April 16, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Bitterroot Behavioral Health Llc NPPES

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

BITTERROOT BEHAVIORAL HEALTH LLC (NPI 1639923691) is a healthcare organization registered as a clinical in Hamilton, Montana and active in the NPI registry since April 2024. The organization lists Blythe Siebenaller, Owner, as its authorized official.

NPPES Registry Identity

NPI1639923691
Entity TypeOrganization
Primary Taxonomy1041C0700X
Legal Business NameBITTERROOT BEHAVIORAL HEALTH LLC
Location Address320 N 1ST ST STE GHamilton, MT 59840-2569
Mailing Address320 N 1st St Ste GHamilton, MT 59840-2569 · (406) 662-1050
Phone(406) 662-1050
Organization SubpartNo
Authorized OfficialBlythe SiebenallerOwner · (406) 662-1050
Enumeration DateApril 16, 2024
NPPES CertifiedApril 16, 2024
✔ NPI 1639923691 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X
320 N 1ST ST STE G, Hamilton, MT 59840
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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)

Bitterroot Behavioral Health Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Bitterroot Behavioral Health LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Blythe Siebenaller, LCSW, LAC
Clinical Social Worker
NPI 1821440223
320 N 1ST ST STE G
Hamilton, MT 59840
(406) 662-1050
✔ PECOS✔ Accepts MedicareSame address

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 Bitterroot Behavioral Health LLC's NPI number?

The NPI number for Bitterroot Behavioral Health LLC is 1639923691. It was assigned to this organization in the NPPES registry on April 16, 2024.

Where is Bitterroot Behavioral Health LLC located?

Bitterroot Behavioral Health LLC is located at 320 N 1st St Ste G, Hamilton, MT 59840. The listed phone number is (406) 662-1050.

What is Bitterroot Behavioral Health LLC's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Bitterroot Behavioral Health LLC enrolled in Medicare?

Yes. Bitterroot Behavioral Health LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Bitterroot Behavioral Health LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Bitterroot Behavioral Health 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Bitterroot Behavioral Health LLC accept?

Health plans from Blue Cross and Blue Shield of Montana list Bitterroot Behavioral Health 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 Bitterroot Behavioral Health LLC was last updated on April 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.