C. Procedures — general

Beneficiaries seeking disenrollment must contact 1-800-MEDICARE (TTY 1-877-486-2048), or their plans directly, as follows:

• Beneficiaries enrolled in MA plans (HMOs, PPOs, PFFS, PSOs, RFBs) may contact 1-800-MEDICARE or their plan directly

• Beneficiaries enrolled in 1876 Cost Plans or MA MSA plans must disenroll directly with their plan; they may not request disenrollment via 1-800-MEDICARE