Incorrect Fax Number The fax number on the AARP Medicare Supplement Plan Change Request Form (4PC) released Nov. 10, 2025, was incorrect. Use the updated form and fax to 1-248-524-5763. Forms sent to the old number will still process but may be delayed.
Medicare Supplement Please wait 10 business days after submission before contacting the Producer Help Desk about pending Medicare Supplement applications. Effective dates will be honored for applications meeting all requirements. Please do not submit duplicate applications or documents as this causes delays.
