Hillcrest Clinic - 6th Bosque 7300 Bosque Blvd, Waco, TX 76710 Existing Patients: (254) 202-2600; Hillcrest Legends Clinic. 2 Hillcrest Legends Clinic 2304 MARKETPLACE DR, Waco, TX 76711 Existing Patients: (254) 202-7300.