City Specialty Directory
Top Internal Medicine providers in Ontario, NY
Internal Medicine providers in Ontario, NY include clinicians and organizations listed in the public NPPES registry. This page surfaces the strongest Medicare Part B activity in the latest available dataset while keeping the full local provider directory intact.
Top-provider rankings use 2023 Medicare Part B Tot_Srvcs. Providers without Medicare activity data still appear in the alphabetical directory.
Top Internal Medicine providers in Ontario by Medicare activity
| Rank | Provider | Medicare Services | Signal |
|---|---|---|---|
| 1 | Daniel Joel Koretz, M.D. | 23 | Average Medicare activity |
Full Directory
Alphabetical list of all Internal Medicine providers in Ontario, NY.
| Rank | Provider | Medicare Services | Signal |
|---|---|---|---|
| 1 | Daniel Joel Koretz, M.D. | 23 | Average Medicare activity |