1 NPI-registered providers practice in Castro Valley 94546, California. Pick another city in the rail, or open the full search to filter by specialty and credential.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| Archana AggarwalM.D. | Nephrology Physician | Castro Valley 94546, CA | 1326024084 |
Source: CMS NPPES Data Dissemination (June 2026).
