Part D late enrollment penalty reconsideration: filing window and standard mail
Enrollee or appointed representative disputing a Part D late enrollment penalty, using the specific LEP reconsideration form and actual penalty notice. A doctor or other helper must be the representative to request this reconsideration on the enrollee’s behalf. Not a prescription-drug coverage/payment appeal, ordinary plan redetermination/IRE reconsideration, Part C appeal or independent provider reimbursement dispute.
Filing window: Within 60 days from the date on the letter stating that the enrollee must pay a late enrollment penalty. This is the letter date, not a receipt-based clock. If more than 60 days have passed, the form instructs including a separate explanation of delay; acceptance or an extension is not guaranteed.. No personalized deadline is calculated.
Payer: Medicare Part D late enrollment penalty / C2C independent reconsideration. State scope: National Part D LEP process for the enrollee or appointed representative; no state residence eligibility is inferred..
Postal address: C2C Innovative Solutions, Inc.; Part D LEP Reconsiderations; P.O. Box 44165; Jacksonville, FL 32231-4165. Use the actual notice and the process-specific official submission instructions.
Standard mail only. The form separately lists courier/tracked mail at 301 W. Bay St., Suite 600, Jacksonville, FL 32202 and enrollee fax (833)946-1912. Use the actual current form and notice to choose a channel. The listed portal was not logged into or tested; no operational-portal verification is asserted.
Official source — CMS-hosted Part D LEP Reconsideration Request Form C2C, PDF page1 IMPORTANT paragraph; PDF page2 standard mail and representative instructions · checked 2026-10-27
Current CMS-hosted guidance checked; form v1.0 does not establish a universal effective date or reconstructed history. Confirm the actual penalty notice and current instructions.