1 NPI-registered providers practice in Greenwhich, Connecticut. Pick another city in the rail, or open the full search to filter by specialty and credential.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| Eileen ZimmermanLCSW | Clinical Social Worker | Greenwhich, CT | 1215357090 |
Source: CMS NPPES Data Dissemination (June 2026).
