| NPI | LastName | FirstName | MidName | Organization | Mailing Address | City | State | Zip |
| 1174186175 | | | | PROTON CENTER DEVELOPMENT CORPORATION | 5901 W MEMORIAL RD | OKLAHOMA CITY | OK | 731422015 |
| 1194971960 | | | | OKLAHOMA PROCURE MANAGEMENT, LLC | PO BOX 877435 | KANSAS CITY | MO | 641877435 |
| 1306151915 | | | | CENTRAL OKLAHOMA RADIATION ONCOLOGY PC | 5901 W MEMORIAL RD | OKLAHOMA CITY | OK | 731422015 |
| 1598044505 | | | | OKLAHOMA PROTON RADIATION ONCOLOGY GROUP PC | PO BOX 871678 | KANSAS CITY | MO | 641871678 |
| 1255513859 | CHANG | ANDREW | LUKE | | 2525 NW EXPRESSWAY | OKLAHOMA CITY | OK | 731127230 |
| 1114964855 | HUG | EUGEN | B | | 5901 W MEMORIAL RD | OKLAHOMA CITY | OK | 731422015 |
| 1336235456 | YONEMOTO | LESLIE | T | | 2525 NW EXPRESSWAY | OKLAHOMA CITY | OK | 731127227 |