| Business | Phone |
| Jei-Po Chen Md 534 N Campus Ave, Ontario 91764 | (909) 984-1723 |
| Clinica Medica Familiar 403 W F St, Ontario 91762 | (909) 988-3288 |
| Concentra Medical Center 1101 S Milliken Ave # C, Ontario 91761 | (909) 390-2799 |
| Stephanie J Cropper Md 756 N Euclid Ave # A, Ontario 91762 | (909) 395-0030 |
| Warren B De Mink Md 524 N Campus Ave, Ontario 91764 | (909) 984-2300 |
| First Care Industrial Medicine 754 N Mountain Ave, Ontario 91762 | (909) 983-0474 |
| Grand Medical Group 527 N Palm Ave # 104, Ontario 91762 | (909) 986-8626 |
| Hampton Medical Clinic 1814 E Elma Ct, Ontario 91764 | (909) 937-2000 |
| Danese F Hayes Md 125 W F St # 103, Ontario 91762 | (909) 391-3222 |
| Inland Industrial Medical Grp 1910 S Archibald Ave # E2, Ontario 91761 | (909) 930-5270 |
| Kaiser Permanente 1025 W I St, Ontario 91762 | (909) 395-7962 |
| Kaiser Permanente Med Group 1025 W I St, Ontario 91762 | (909) 395-7968 |
| Ronald N Kent Md 3200 Inland Empire Blvd, Ontario 91764 | (909) 466-5484 |
| Kong Tay Wu Inc 437 N Campus Ave, Ontario 91764 | (909) 988-8203 |
| Laser Eye Center 3200 Inland Empire Blvd # 140, Ontario 91764 | (909) 481-4226 |
| Lasikplus Vision Correction 3401 Centre Lake Dr # 130, Ontario 91761 | (909) 890-1522 |
| Luis Lomeli Md 527 N Palm Ave # 101, Ontario 91762 | (909) 983-6622 |
| Norman Sl Merchant Inc 832 S Mountain Ave, Ontario 91762 | (909) 983-9604 |
| Dr David Daniels 3535 Inland Empire Blvd, Ontario 91764 | (909) 941-3211 |
| Dr Martens 1 Mills Cir, Ontario 91764 | (909) 980-6237 |
| Euclid Plaza Medical Clinic 1749 S Euclid Ave # A, Ontario 91762 | (909) 983-0027 |
| Theodora Ewusi-Mensah Md 304 W F St, Ontario 91762 | (909) 983-4746 |
| Ontario Health Center 315 W G St, Ontario 91762 | (909) 460-3866 |
| Ontario Multi Specialty 1859 N Vineyard Ave # B, Ontario 91764 | (909) 946-1116 |
| Policlinicia Panamericana 602 N Euclid Ave, Ontario 91762 | (909) 988-7301 |
| Ju C Rhee Md 703 E E St, Ontario 91764 | (909) 988-2282 |
| Rosio Retino Md Inc 320 W G St # 101, Ontario 91762 | (909) 395-9788 |
| Southern California Orthopedic 754 N Mountain Ave, Ontario 91762 | (909) 460-4155 |
| Southern Ontario Medical Center 2525 S Euclid Ave, Ontario 91762 | (909) 986-2288 |
| Sunshine Pediatric Med Group 756 N Euclid Ave, Ontario 91762 | (909) 986-0031 |
| Tlc Vision 3401 Centre Lake Dr # 130, Ontario 91761 | (909) 605-1975 |
| United Medical Group 2232 S Mountain Ave, Ontario 91762 | (909) 986-4692 |
| Marvin Urbina Md Ontario 91762 | (909) 395-0090 |
| Eduardo Velayos Md Ontario 91762 | (909) 986-1381 |
| David Daniels Md 3535 Inland Empire Blvd, Ontario 91764 | (909) 941-3211 |