Office Hours. Monday - Friday 9:00 a.m. - 5:00 p.m. Telephone Hour with a provider: Mon - Fri 8:00 a.m. - 9:00 a.m., excluding holidays. At UH Rainbow Sandusky Pediatricians we provide pediatric patients with the highest quality of care. Our affiliation with University Hospitals Rainbow Babies & Children's Hospital allows us to ensure that ....