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 |
|---|---|---|
| 401 | Mt Sterling | 42 |
| 402 | Savanna | 42 |
| 403 | Smithton | 42 |
| 404 | Centreville | 41 |
| 405 | Mount Sterling | 41 |
| 406 | South Beloit | 41 |
| 407 | Teutopolis | 41 |
| 408 | Casey | 40 |
| 409 | Lacon | 40 |
| 410 | Sherman | 40 |
| 411 | Coal Valley | 39 |
| 412 | Hometown | 39 |
| 413 | New Baden | 38 |
| 414 | North Barrington | 38 |
| 415 | Winnebago | 38 |
| 416 | Burnham | 37 |
| 417 | Minonk | 37 |
| 418 | Mt Vernon | 37 |
| 419 | Scott Air Force Base | 37 |
| 420 | Arthur | 36 |
| 421 | Cherry Valley | 36 |
| 422 | El Paso | 36 |
| 423 | Trenton | 36 |
| 424 | Wonder Lake | 36 |
| 425 | Auburn | 35 |
| 426 | Caseyville | 35 |
| 427 | Lagrange | 35 |
| 428 | Peotone | 35 |
| 429 | Stickney | 35 |
| 430 | Oglesby | 33 |
| 431 | South Chicago Heights | 33 |
| 432 | Bedford Park | 32 |
| 433 | Fulton | 32 |
| 434 | Sesser | 32 |
| 435 | Wadsworth | 32 |
| 436 | Amboy | 31 |
| 437 | Arcola | 31 |
| 438 | Indian Head Park | 31 |
| 439 | Lakemoor | 31 |
| 440 | Momence | 31 |
| 441 | Neoga | 31 |
| 442 | Prophetstown | 31 |
| 443 | Pecatonica | 30 |
| 444 | Robbins | 30 |
| 445 | Stockton | 30 |
| 446 | Virginia | 30 |
| 447 | Braidwood | 29 |
| 448 | Rosiclare | 29 |
| 449 | Saint Joseph | 29 |
| 450 | Volo | 29 |