1,482 cities with NPPES-registered healthcare providers in Illinois. Counts reflect providers with a Illinois practice address in the federal registry.
| Rank | City | Providers in IL |
|---|---|---|
| 1401 | Quinicy | 1 |
| 1402 | Qunicy | 1 |
| 1403 | Rark Ridge | 1 |
| 1404 | Red Bun | 1 |
| 1405 | Riverforest | 1 |
| 1406 | Rivers Forest | 1 |
| 1407 | Roadhouse | 1 |
| 1408 | Roberts | 1 |
| 1409 | Roc | 1 |
| 1410 | Rochellee | 1 |
| 1411 | Rockfrd | 1 |
| 1412 | Rockisland | 1 |
| 1413 | Rodkford | 1 |
| 1414 | Rolling Mdws | 1 |
| 1415 | Rolling Medows | 1 |
| 1416 | Rome | 1 |
| 1417 | Romoeville | 1 |
| 1418 | Rosamond | 1 |
| 1419 | Rosiclaire | 1 |
| 1420 | Rosmont | 1 |
| 1421 | Rould Lake Heights | 1 |
| 1422 | Royal | 1 |
| 1423 | Ruma | 1 |
| 1424 | Rushview | 1 |
| 1425 | Saybrook | 1 |
| 1426 | Scharmburg | 1 |
| 1427 | Schaumberg | 1 |
| 1428 | Schaunburg | 1 |
| 1429 | Scheller | 1 |
| 1430 | Scottsdale | 1 |
| 1431 | Seaton | 1 |
| 1432 | Sells | 1 |
| 1433 | Shattuc | 1 |
| 1434 | Shelbyvile | 1 |
| 1435 | Shirland | 1 |
| 1436 | Shirley | 1 |
| 1437 | Sims | 1 |
| 1438 | Skoke | 1 |
| 1439 | Smithfield | 1 |
| 1440 | So Wilmington | 1 |
| 1441 | South Pekin | 1 |
| 1442 | Spingfield | 1 |
| 1443 | Spring Bay | 1 |
| 1444 | Springfifeld | 1 |
| 1445 | St Louis | 1 |
| 1446 | St Marie | 1 |
| 1447 | St Peter | 1 |
| 1448 | St. Augustine | 1 |
| 1449 | St. Libory | 1 |
| 1450 | St.charles | 1 |