Marissa Copas Weaver, M.D., is an Internal Medicine - Pediatrics Physician at Rapid City Clinic, Flormann Street. She has special interests in ADHD, autism, mental health, and overall patient health maintenance. Dr. Copas Weaver trained as a Resident in Internal Medicine – Pediatrics at University of Kansas School of Medicine in Wichita, from which she also acquired a Doctor of Medicine. In addition, she graduated magna cum laude with a Bachelor of Art in Psychology and a Minor in Chemistry from Wichita State University, also in KS.