A physician assistant licensed in this State, or licensed or authorized to practice in any other U.S. jurisdiction, or who is credentialed by a federal employer or meets the licensure requirements of their requisite federal agency as a physician assistant may volunteer to render such medical care the physician assistant is able to provide at public or community events and facilities without a collaborating physician as defined in this chapter or with such collaborating physicians as may be available. Such medical care must be rendered without compensation or remuneration.