Medical staffing services for hospitals, medical practices, acute care facilities, urgent care facilities and emergency rooms, namely, physician and advance practice provider staffing, locum tenens placement, and management of medical staff in the nature of personnel management and placement of staff; business management services for hospitals, medical practices, acute care facilities, urgent care facilities and emergency rooms, namely, medical director services in the nature of hospital management services, medical billing services, and providing office management and administrative support services in the nature of healthcare management service organization (MSO) services that provide practice organization, management and administrative support services to individual physicians or small group practices