Del. Code tit. 2, § 1822

Vehicles that are operated by: long-term care facilities, as defined in § 1102 of Title 16; hospitals as defined in § 1001 of Title 16; treatment facilities as defined in § 2203 of Title 16; providers who are qualified to provide treatment by the Department of Health and Social Services, including for day and residential services; and facilities where physical therapy is provided; may provide transportation services for their patients, clients or residents in accordance with a contract between the facility and a nonemergency medical transportation broker, without certification as a public carrier.