John R. Oishei Children's Hospital (OCH), sometimes known as simply Oishei Children's is a women's and children's hospital in Buffalo, New York, that opened on November 10, 2017 and provides pediatric specialties and subspecialties to infants, children, teens, and young adults up to age 21, and maternity services for expectant mothers. It is located at the Buffalo Niagara Medical Campus and has 185 inpatient beds. It is a pediatric facility serving patients in Western New York and parts of Southern Ontario. The hospital is one of the only freestanding children's hospitals in New York State. OCH is a teaching hospital affiliated with the State University of New York at Buffalo and is affiliated with the Kaleida Health System. The hospital contains an ACS verified level 1 pediatric trauma center, one of the few in the region. OCH also has a rooftop helipad to transport critically ill patients to and from the hospital.The hospital is named after the John R. Oishei Foundation, which donated $10 million for the development of the hospital.