3 NPI-registered Trauma Surgery Physician providers practice in Montana. See all states.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| Gordon RihaM.D. | Trauma Surgery Physician | Billings, MT | 1801002340 |
| Joost GazendamMD | Trauma Surgery Physician | Polson, MT | 1922434893 |
| Lisa MerrimanMD | Trauma Surgery Physician | Billings, MT | 1508206467 |
Source: CMS NPPES Data Dissemination (June 2026). Specialty taxonomy: NUCC.
