KCHC | Your Health and Wellness Partner - Serving Keokuk County for Over 65 Years. Brian Peterson, PT, Cert MDT, and Jaime Martin, PTA, are your McKenzie Method®/MDT providers at Keokuk County Hospital and Clinics. Below is a video that explains the method. The Center for Disease Control can answer your frequently asked questions on mental ...Contact Us‧Medical Clinic‧About Us‧Hospital Services‧Specialty Clinics‧Behavioral Health.