Directions to Midwest Medical Specialists, P.A. Midwest Medical Specialists, P.A. 7450 Kessler Street Suite 130 Merriam, KS 66204 Directions to Midwest Medical Specialists, P.A. Midwest Medical Specialists, P.A. 7450 Kessler Street Suite 130 Merriam, KS 66204 Call Midwest Medical Specialists, P.A. at913-722-0020