Medical Services & Supplies go Results Found: 4 Button group with nested dropdown American Medical Response American Medical Response 879 Marlborough Ave Riverside CA 92507 (951) 782-5200 A Plus Urgent Care A Plus Urgent Care Walk-In Clinic Walk-In Clinic 29821 Antelope Rd. #102 Menifee CA 92584 (951) 696-7587 Optum, formerly PrimeCare Optum, formerly PrimeCare 41391 Kalmia St #310 Murrieta CA 92562 (951) 461-0762 Riverside Medical Clinic Riverside Medical Clinic 3660 Arlington Avenue Riverside CA 92506 (951) 683-6370