Thu 8:00am - 4:00pm. Fri 8:00am - 4:00pm. Sat Closed. Sun Closed. Make an Appointment. (520) 721-8605. Copperstate OB/GYN Associates, LTD. is a medical group practice located in Tucson, AZ that specializes in Nursing (Nurse Practitioner) and Obstetrics & Gynecology, and is open 5 days per week. Providers Overview Location Reviews XX..