Amanda D. Williams DO, FAAP
Founding Partner, Peacock Pediatrics

Dr. Williams attended high school in Harrisonville, Missouri, and earned her Bachelor of Science in Biology from Hannibal-LaGrange College in Hannibal, Missouri. She completed her medical degree at Des Moines University, followed by a pediatric residency at Children’s Mercy Hospital in Kansas City, Missouri.

Dr. Williams practiced as a general pediatrician with Lakeside/Mosaic Pediatrics for 10 years before opening Peacock Pediatrics in the summer of 2020. Dr. Williams became Board Certified in Obesity Medicine in 2025. She is passionate about behavioral health care, as well as weight management for children and adolescents.

Call our Saint Joseph office to schedule an appointment with Dr. Williams!