administrative contractor, Medicare Advantage plan, or prescription drug plan, respectively, may not deny coverage of the health care service based solely on the grounds that the health care service does not meet an evidence-based standard. (3) Input from physicians Prior to establishing, or substantially or materially altering, written clinical criteria for purpose of preauthorization review, the medicare administrative contractor, Medicare Advantage plan, or prescription drug plan, respectively, shall obtain input from actively practicing physicians within the service area where the written clinical criteria are to be employed. Such physicians must represent major areas of specialty and be certified by the boards of the American Board of Medical Specialties. The medicare administrative contractor, Medicare Advantage plan, or prescription drug plan shall seek input from physicians who are not employees of the medicare administrative contractor, Medicare Advantage plan, or prescription drug plan. (4) Written clinical criteria The medicare administrative contractor, Medicare Advantage plan, or prescription drug plan, respectively, shall apply written clinical criteria for the purpose of preauthorization review consistently. Such written clinical criteria must— (A) be based on nationally recognized standards