1 NPI-registered providers practice in Billing, Montana. Pick another city in the rail, or open the full search to filter by specialty and credential.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| Diane Quick LLC | Psychiatric/Mental Health Nurse Practitioner | Billing, MT | 1770285884 |
Source: CMS NPPES Data Dissemination (June 2026).
