| Business | Phone |
| Quest Diagnostics Inc 126 W 6th St, Mountain Home 72653 | (870) 425-6795 |
| Quest Diagnostics Inc 1310 Highway 62 W # 10, Mountain Home 72653 | (870) 425-9181 |
| Quest Diagnostics Inc 405 Buttercup Dr, Mountain Home 72653 | (870) 425-7090 |
| Quest Diagnostics Inc 444 Hospital Dr, Mountain Home 72653 | (870) 424-3237 |
| Quest Diagnostics Inc 624 Hospital Dr, Mountain Home 72653 | (870) 425-0504 |