CGH Main Clinic
Monday through Friday, 8 a.m. to 5 p.m.
Saturday (as scheduled), 8 to 10:30 a.m.
Appointments are required
Monday through Friday, 6 am to 5 pm
Saturday, 6 am to 10:30 am
(**Please note: 6-7 am each day is reserved for patients with FASTING or EMERGENCY/STAT lab orders ONLY. All other lab testing will begin at 7 am).
The Main Clinic (formerly Sterling Rock Falls Clinic) has been providing healthcare to area residents since 1953. Today, we are one of the largest physician groups in northwest Illinois, providing a broad range of medical services to our patients. In addition to the Main Clinic in Sterling, we offer primary care services in several surrounding communities.