Dr. Ryia Ross-Peterson, MD is a practicing pediatrician in Saint Louis, MO. Dr. Ross-Peterson graduated from Saint Louis University School of Medicine in 1991 and has been in practice for 28 years. She completed a residency at St Louis University School of Medicine. She currently practices at Clayton Pediatrics and is affiliated with Mercy Hospital St Louis. Dr. Ross-Peterson accepts multiple insurance plans including Aetna, Humana, and Cigna. Dr. Ross-Peterson is board certified in Pediatrics. Dr. Ross-Peterson also practices at Community Health.