(a) Payment for medical and other health services, devices and supplies furnished by physicians, hospitals, and other providers for work-related injuries shall not exceed a maximum allowable charge for such service as determined by the Director, except as provided in this section.

(b) The schedule of maximum allowable charges does not apply to charges for services provided in nursing home for employees admitted to that nursing home prior to August 29, 2011, but does apply to all charges for services provided by a nursing home where the employee was admitted to that nursing home after that date. The schedule does apply to charges for treatment furnished in a nursing home by a physician or other medical professional at any time.

(c) The schedule of maximum allowable charges also does not apply to charges for appliances, supplies, services or treatment furnished by medical facilities of the U.S. Public Health Service or the Departments of the Army, Navy, Air Force and Veterans Affairs.