City Specialty Directory
1 Internal Medicines in Ontario, NY
This directory includes 1 internal medicines in Ontario, NY from public NPPES records. Medicare activity is shown first because it can help identify providers with recent Medicare Part B billing volume, then the full directory keeps every published local provider available for lookup.
Medicare activity uses the most recently reported Medicare Part B service counts available in this dataset. It is a utilization signal, not a quality rating or recommendation. Providers without Medicare data still appear in the alphabetical directory.
Source: public NPPES records. Medicare activity is based on the most recently available Medicare Part B data in this dataset and is not a quality rating, medical advice, or a provider recommendation.
Top Internal Medicine providers in Ontario by Medicare activity
These providers are listed first because they have the highest most recently reported Medicare Part B service volume among providers on this page.
| Rank | Provider | Medicare Services | Medicare Activity |
|---|---|---|---|
| 1 | Daniel Joel Koretz, M.D. | 23 | Average |
| Phone: (315) 524-2060 | Practice address: 6200 Slocum RD, Ontario, NY 14519-9102 | |||
Full Directory
Alphabetical list of all Internal Medicine providers in Ontario, NY.
| Provider | Specialty | Practice Phone | Practice Address |
|---|---|---|---|
| Daniel Joel Koretz, M.D. | Internal Medicine Physician | (315) 524-2060 | 6200 Slocum RD, Ontario, NY 14519-9102 |