The Massachusetts Department of Public Health's (MDPH), hospitals and bureaus provide a variety of medical services to patients entrusted to the care of the Commonwealth. MDPH is seeking contractors, on an as needed basis. Contractors are required by the MDPH's hospitals and bureaus to provide medical services to patients/clients. Providers will work on as-needed basis at individually negotiated hourly rates and will be required to provide technical support to clinical/public health aspects of the program. The Department reserves the right to add specialists to the list beyond those specialties listed below throughout the duration of the procurement period.