1 NPI-registered providers practice in Niagra, Wisconsin. Pick another city in the rail, or open the full search to filter by specialty and credential.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| Glenn ThielM.D. | Emergency Medicine Physician | Niagra, WI | 1912352873 |
Source: CMS NPPES Data Dissemination (June 2026).
