CFR > Title 42 - Public Health > CHAPTER IV—CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER B—MEDICARE PROGRAM (parts 405 to 426) > PART 423—VOLUNTARY MEDICARE PRESCRIPTION DRUG BENEFIT > SUBPART U—Reopening, ALJ Hearings, MAC review, and Judicial Review (§423.1968 to §423.2140) > 423.2128—Action of the MAC.

423.2128—Action of the MAC.

(a) After it has reviewed all the evidence in the administrative record and any additional evidence received, subject to the limitations on MAC consideration of additional evidence in § 423.2122, the MAC will make a decision or remand the case to an ALJ.
(b) The MAC may adopt, modify, or reverse the ALJ hearing decision or recommended decision.
(c) The MAC mails a copy of its decision to the enrollee at his or her last known address, to CMS, to the IRE, and to the Part D plan sponsor.