Dr. Rebecca J. Collman (Mcmahon) is a pediatrician in Colchester, Vermont and is affiliated with multiple hospitals in the area, including University of Vermont Children's Hospital and University of Vermont Medical Center. She received her medical degree from Oregon Health and Science University School of Medicine and has been in practice for more than 20 years. Dr. Rebecca J. Collman (Mcmahon) accepts Aetna - see other insurance plans accepted. Dr. Rebecca J. Collman (Mcmahon) is highly recommended by patients.