MAVIS VAILLANCOURT LCSW LAC LLC
NPI 1699229682
Clinic/Center - Mental Health (Including Community Mental Health Center) in Libby, MT
About Mavis Vaillancourt Lcsw Lac Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAVIS VAILLANCOURT LCSW LAC LLC (NPI 1699229682) is a healthcare organization registered as a mental health (including community mental health center) in Libby, Montana and active in the NPI registry since August 2016. The organization lists Mavis Vaillancourt, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Accepted 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)
Mavis Vaillancourt Lcsw Lac 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 Mavis Vaillancourt Lcsw Lac LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Mavis Vaillancourt Lcsw Lac LLC's NPI number?
The NPI number for Mavis Vaillancourt Lcsw Lac LLC is 1699229682. It was assigned to this organization in the NPPES registry on August 8, 2016.
Where is Mavis Vaillancourt Lcsw Lac LLC located?
Mavis Vaillancourt Lcsw Lac LLC is located at 415 Louisiana Ave, Libby, MT 59923. The listed phone number is (406) 546-8507.
What is Mavis Vaillancourt Lcsw Lac LLC's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.
Is Mavis Vaillancourt Lcsw Lac LLC enrolled in Medicare?
Yes. Mavis Vaillancourt Lcsw Lac LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mavis Vaillancourt Lcsw Lac LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Mavis Vaillancourt Lcsw Lac 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 Mavis Vaillancourt Lcsw Lac LLC accept?
Health plans from Blue Cross and Blue Shield of Montana list Mavis Vaillancourt Lcsw Lac 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 Mavis Vaillancourt Lcsw Lac LLC was last updated on March 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Mavis Vaillancourt Lcsw Lac Llc · NPI 1699229682
Mental Health (Including Community Mental Health Center) organization in Libby, Montana. Organization record, active in the CMS NPPES registry since August 8, 2016.
## Identity
- **NPI:** 1699229682 (Entity type: Organization)
- **Enumerated:** August 8, 2016
- **Primary specialty:** Clinic/Center - Mental Health (Including Community Mental Health Center) · taxonomy 261QM0801X
- **Organization subpart:** No
- **Authorized official:** Mavis Vaillancourt, OWNER
## Practice location
- **Address:** 415 LOUISIANA AVE, Libby, MT 59923-2131
- **Phone:** (406) 546-8507
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Clinical Social Worker) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 12, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1699229682) · Data from the CMS NPPES public registry.