Hormones by Design - Medical Assistant. Hormones by Design - Medical Assistant. IMPORTANT***HOURS ARE: Monday: 7:40AM to 4 PM. Tues-Thurs: 6:40AM to 4 PM. Friday: 7:40AM to Noon. Job Summary. Medical Assistant needed for our. Waco. location. Provides exceptional customer service and promotes a professional image and attitude. Needs to be friendly, outgoing, and a multi-tasker (We want you to have fun. ). Responsible for assisting a single Nurse P...