1 NPI-registered providers practice in Castl Rock, Washington. Pick another city in the rail, or open the full search to filter by specialty and credential.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| Arvi GenerosoM.D. | Internal Medicine Physician | Castl Rock, WA | 1104104025 |
Source: CMS NPPES Data Dissemination (June 2026).