Specialty · city directory
Internal Medicine in Old Greenwich, CT
Active Internal Medicine providers practising in Old Greenwich, Connecticut. Profiles include the NPI number, taxonomy code, license state, and practice address.
10
providers indexed
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Internal Medicine providers in Old Greenwich, CT
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1134105414 | Burton Rubin | Individual | Internal Medicine Physician | Old Greenwich, CT |
| 1588776173 | Craig Olin | Individual | Internal Medicine Physician | Old Greenwich, CT |
| 1164624557 | Edra Stern | Individual | Internal Medicine Physician | Old Greenwich, CT |
| 1184124075 | Edra Stern MD LLC | Organization | Internal Medicine Physician | Old Greenwich, CT |
| 1417093683 | Frederick E. Siefert, MD, PC | Organization | Internal Medicine Physician | Old Greenwich, CT |
| 1922166529 | Jayne Pincus | Individual | Internal Medicine Physician | Old Greenwich, CT |
| 1083918577 | Melanie Kelton | Individual | Internal Medicine Physician | Old Greenwich, CT |
| 1730932880 | Old Greenwich Medical Group LLC | Organization | Internal Medicine Physician | Old Greenwich, CT |
| 1184820110 | Rebecca Warkol | Individual | Internal Medicine Physician | Old Greenwich, CT |
| 1508266479 | Rebecca Warkol MD LLC | Organization | Internal Medicine Physician | Old Greenwich, CT |
Frequently asked questions
How many Internal Medicine providers are in Old Greenwich, CT?
The latest NPPES snapshot lists 10 active Internal Medicine providers with a practice address in Old Greenwich, Connecticut.
How do I check a Internal Medicine provider's NPI in Old Greenwich?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.
Source: CMS NPPES (public data). Snapshot 2026-07-13.