Doctor profile · Federal record
Dr. Mavis Vaillancourt, LCSW, LAC
Clinical Social Worker · Addiction (Substance Use Disorder) Counselor · Libby, MT
- NPI 1134139058
- Accepts Medicare
- MIPS 87.8 / 100 · 2023
- 20 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
415 Louisiana Ave
Libby, MT 599232131
(406) 546-8507
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- March 11, 2025
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 1041C0700X — NUCC code
- State licenses (2)
- Montana #912 · Montana #1140
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134139058. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
265
Distinct HCPCS
1
Medicare allowed
$28,695
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90837 |
Psychotherapy, 1 hour | 265 | 14 | $108 |
In context: peer comparison
Among 1 peers in Libby Clinical Social Worker, average services per provider: 265. This provider delivers 1.0× the peer median.Frequently asked questions
What is Dr. Mavis Vaillancourt's medical specialty?
Dr. Mavis Vaillancourt practices Clinical Social Worker in Libby, MT.
Where does Dr. Mavis Vaillancourt practice?
Dr. Mavis Vaillancourt practices at 415 Louisiana Ave, Libby, MT 599232131. Office phone: 4065468507.
What is Dr. Mavis Vaillancourt's NPI?
Dr. Mavis Vaillancourt's National Provider Identifier (NPI) is 1134139058, issued by NPPES.
Does Dr. Mavis Vaillancourt accept Medicare assignment?
Yes. Dr. Mavis Vaillancourt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mavis Vaillancourt commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.