42 C.F.R. § 423.137
(b) Definitions. For the purposes of this section, the following definitions apply:
(1) OOP costs for the Medicare Prescription Payment Plan means the out-of-pocket (OOP) cost sharing amount the Part D enrollee is directly responsible for paying.
(c) Calculation of the maximum monthly cap on cost-sharing payments. For each month in the plan year for which an enrollee in a PDP or an MA-PD plan has made an election to participate in the Medicare Prescription Payment Plan, the PDP sponsor or MA organization must determine a maximum monthly cap (as defined in paragraph (c)(1) of this section) for such enrollee.
(1) Enrollee monthly payments. For each month an enrollee is participating in the Medicare Prescription Payment Plan, the PDP sponsor or MA organization shall bill such enrollee an amount (not to exceed the maximum monthly cap) for the out-of-pocket costs of such enrollee in such month.
(i) First month maximum monthly cap calculation. For the first month for which the enrollee has made an election to participate in the Medicare Prescription Payment Plan, the maximum monthly cap is an amount determined by calculating the annual out-of-pocket threshold specified in section 1860D-2(b)(4)(B) of the Act minus the incurred costs of the enrollee as described in section 1860D-2(b)(4)(C) of the Act; divided by the number of months remaining in the plan year.
(d) Eligibility and election. An individual is eligible for the Medicare Prescription Payment Plan if they are enrolled in a Part D plan and have not been precluded from participation due to failure to pay, as described in paragraphs (f)(2)(ii) and (f)(5) of this section. LIS-eligible Part D enrollees are eligible to participate in the program. The requirements described in this paragraph (d) are applicable beginning October 1, 2025, with respect to eligibility and election in the Medicare Prescription Payment Plan for 2026.
(1) Election. A Part D sponsor must allow any Part D enrollee, including those who are LIS-eligible, to opt into the program prior to the beginning of the plan year or at any point during the plan year. A Part D enrollee must also be allowed to opt into the program in advance of a new plan enrollment effective date, including during any of the following:
(2) Format of election requests. A Part D sponsor must allow any Part D enrollee or a Part D enrollee's authorized legal representative acting on behalf of the enrollee to opt into the program using a paper or electronic election request form or through a telephone call. Part D sponsors must process any election request regardless of format.
(i) Paper election requests. Paper election requests are considered received on the date and time:
(ii) Telephonic election requests. Telephonic election requests are considered received on the date and time that either of the following occurs:
(3) Completion of election request. For an election request to be considered complete, the Part D sponsor must receive all of the following:
(4) Processing an election request—(i) Prior to plan year. Part D sponsors must process election requests received prior to the plan year within the following timeframes:
(ii) During a plan year. Part D sponsors must process election requests received during a plan year within the following timeframes:
(D) In the event a Part D sponsor fails to process the request within 24 hours due to no fault of the Part D enrollee, the Part D sponsor must—
(1) Process a retroactive election effective on the date on which the enrollee should have been admitted into the program; and
(2) Reimburse the enrollee for any cost-sharing paid on or after that date within 45 calendar days and include those amounts, as appropriate, in the program calculations.
(6) Retroactive election.
(i) A Part D sponsor must have in place a process to effectuate a retroactive election into the Medicare Prescription Payment Plan if both of the following conditions are met:
(8) Mid-year plan switching. When a Part D enrollee switches Part D plans, whether offered by the same or a different Part D sponsor, during the plan year or is reassigned by CMS, the Part D sponsor of the new Part D plan is not permitted to automatically sign up the individual for the Medicare Prescription Payment Plan under the new plan but must allow the individual to opt into the program. Part D plan has the definition established at § 423.4.
(ii) Part D enrollees may only be precluded from opting into the program under a new Part D plan if both of the following conditions are met:
(10) Election communications—(i) Election request form. A Part D sponsor must make available throughout the plan year and during the Part D plan enrollment periods described at paragraph (d)(4)(i)(A) of this section an election request form in the formats specified in paragraph (d)(2) of this section.
(B) Contents. The election request form must include or provide all of the following:
(1) Fields for all of the following Part D enrollee information:
(i) First and last name.
(ii) Medicare Number.
(iii) Birth date.
(iv) Phone number.
(v) Permanent residence street address, and mailing address, if different from permanent residence street address.
(vi) Signature field, allowing the enrollee to attest that they understand that form is a request to participate in the Medicare Prescription Payment Plan and the Part D sponsor will contact them if more information is needed to complete the request; their signature indicates they have read and understood the Part D sponsor's terms and conditions; and the Part D sponsor will inform the individual when their participation in the program is active, and, until the individual receives that notification, they are not a participant in the program.
(2) Instructions for how to submit the form to the Part D sponsor.
(3) Instructions for how the Part D enrollee can contact the Part D sponsor for questions or assistance.
(ii) Notice of election approval. Upon accepting an election request, the Part D sponsor must send a notice of election approval.
(A) Timing. (1) For requests received prior to the plan year, the notice of election approval must be sent within 10 calendar days of receipt of the election request.
(2) For requests received during the plan year, the notice of election approval must be sent within 24 hours of receipt of the election request.
(3) The initial notice must be delivered via telephone, to be followed by a written notice delivered to the participant within 3 calendar days of delivering the initial telephone notice. If a Part D plan sponsor is processing an election request over the phone or electronically and at that same time provides the enrollee with the effective date of their program effectuation and other notice of election requirements as outlined at this paragraph (d)(10)(ii), then a second telephonic notification of election acceptance is not required.
(B) Contents. The notice of election approval must include all of the following:
(1) The effective date of the individual's participation.
(2) A description of how payments for covered Part D drugs under the program will work.
(3) An overview of how the monthly bill is calculated.
(4) Information about procedures for involuntary termination due to failure to pay and how to submit an inquiry or file a grievance.
(5) A statement that leaving the program will not affect the individual's Part D plan enrollment.
(6) A description of how individuals may still owe a program balance if they leave the program, and they can choose to pay their balance all at once or be billed monthly.
(7) An overview of other Medicare programs that can help lower costs and how to learn more about these programs. These programs include all of the following:
(i) Extra Help.
(ii) The Medicare Savings Program.
(iii) The State Pharmaceutical Assistance Program.
(iv) A manufacturer's Pharmaceutical Assistance Program.
(iii) Notification of denial. Upon denial of an election request, the Part D sponsor must send a notice of denial.
(A) Timing. (1) For requests received prior to the plan year, the notice of denial must be sent within 10 calendar days of receipt of the election request.
(2) For requests received during the plan year, the notice of denial must be sent within 24 hours of receipt of the election request.
(3) For incomplete election requests, within 10 calendar days of the expiration of the timeframe for submission of additional information.
(iv) Renewal notice. A Part D sponsor must send a notice alerting program participants that their participation in the program will automatically renew for the subsequent plan year.
(B) Contents. The notice must include all of the following:
(1) Notification to the participant that their participation will automatically renew for the upcoming year.
(2) Reminder that the participant may opt out of the program at any time, including for the upcoming plan year.
(3) Terms and conditions. A Part D sponsor must include their program terms and conditions for the upcoming year as part of the renewal notice or as a separate attachment.
(e) Part D enrollee targeted outreach. A Part D sponsor must undertake targeted outreach to enrollees who are likely to benefit from making an election into the Medicare Prescription Payment Plan. The requirements described in this paragraph (e) are applicable beginning October 1, 2025, with respect to targeted outreach for the Medicare Prescription Payment Plan for 2026.
(1) Identification criteria. An enrollee deemed to be “likely to benefit” from the Medicare Prescription Payment Plan is identified by the Part D sponsor based on the following criteria.
(i) For 2026 and subsequent years, the targeted outreach criteria are as follows:
(2) Point of sale notification.
(3) Part D sponsor notification. A Part D sponsor must directly outreach to enrollees identified as likely to benefit from the program during either of the following timeframes:
(4) Targeted outreach notification requirements. When an enrollee is identified as likely to benefit from the program, using the identification criteria set forth in paragraphs (e)(1)(i) and (ii) of this section or based on Part D sponsor-developed guidelines set forth at paragraph (e)(3)(ii) of this section, the Part D sponsor must provide to the enrollee the standardized “Medicare Prescription Payment Plan Likely to Benefit Notice” consistent with the requirements at § 423.2267(b).
(i) When the enrollee is identified as likely to benefit directly by the Part D sponsor, either prior to or during the plan year, the notification may be done via mail or electronically (based on the Part D enrollee's preferred and authorized communication methods).
(5) Targeted outreach exclusions. A Part D sponsor does not have to notify enrollees that they are likely to benefit from the program under any of the following circumstances:
(ii) When the enrollee is currently participating in the program, including—
(f) Termination of election, reinstatement, and preclusion—(1) General rule. Except as provided in paragraph (f)(2) of this section, a Part D sponsor may not do any of the following:
(2) Basis for termination—(i) Voluntary terminations. A Part D sponsor must have a process to allow participants who have opted into the Medicare Prescription Payment Plan to opt out during the plan year.
(A) When a participant opts out of the Medicare Prescription Payment Plan, a Part D sponsor must—
(1) Process the termination with an effective date within 3 calendar days of receipt of the request for termination.
(2) Provide the individual with a notice of termination after the individual notifies the Part D sponsor that they intend to opt out under the Part D sponsor's established process.
(i) Timing. The Part D sponsor must send the notice of termination within 10 calendar days of receipt of the request for termination.
(ii) Contents. The notice of voluntary termination must include all of the following. The date on which the individual's participation in the program ends. An explanation of why the individual is receiving the notice. A statement clarifying that the notice only applies to participation in the Medicare Prescription Payment Plan. A statement clarifying that the individual will continue to be billed monthly or can choose to pay the amount owed all at once, and that the individual will not pay interest or fees on the amount owed. A statement clarifying that the individual can join the Medicare Prescription Payment Plan again and instructions for how to do so. An overview of other Medicare programs that can help lower costs and how to learn more about these programs, including Extra Help, the Medicare Savings Program, the State Pharmaceutical Assistance Program, and a manufacturer's Pharmaceutical Assistance Program.
(3) Offer the participant the option to repay the full outstanding amount in a lump sum. A Part D sponsor is prohibited from requiring full immediate repayment from a participant who has been terminated from the Medicare Prescription Payment Plan.
(4) If the participant opts not to repay the full outstanding amount in a lump sum, continue to bill amounts owed under the program in monthly amounts not to exceed the maximum monthly cap according to the statutory formula for the duration of the plan year after an individual has been terminated.
(5) Maintain appropriate records of the termination once the termination is processed.
(ii) Involuntary termination. If a participant fails to pay their monthly billed amount under the program, a Part D sponsor is required to terminate that individual's Medicare Prescription Payment Plan participation.
(B) When a Part D sponsor involuntarily terminates a participant, the sponsor must do all of the following:
(1) Provide the individual with a notice of termination consistent with the requirements of paragraphs (f)(2)(ii)(C) and (D) of this section.
(2) Offer the participant the option to repay the full outstanding amount in a lump sum. A Part D sponsor is prohibited from requiring full immediate repayment from a participant who has been terminated from the Medicare Prescription Payment Plan.
(3) If the participant opts not to repay the full outstanding amount in a lump sum, continue to bill amounts owed under the program in monthly amounts not to exceed the maximum monthly cap according to the statutory formula for the duration of the plan year after an individual has been terminated.
(C) If a Part D sponsor involuntarily terminates a participant under this paragraph (f)(2)(ii), the Part D sponsor must send the individual an initial notice explaining that the individual has failed to pay the billed amount.
(1) Timing. The notice of failure to pay must be sent within 15 calendar days of the payment due date.
(2) Contents. The notice of failure to pay must include all of the following:
(i) Pertinent dates, including the date the missed monthly payment was due, the amount the individual must pay to remain in the program, and the date by when payment must be received, which is the date of the end of the grace period.
(ii) A statement clarifying that the notice only applies to participation in the Medicare Prescription Payment Plan.
(iii) Instructions for how to submit payment.
(iv) Information about procedures for involuntary termination due to failure to pay, including the date on which the participant would be removed if payment is not received, and how to submit an inquiry or file a grievance.
(v) A statement describing how individuals should pay their Part D plan premium first if they cannot afford both their premium and their program balance.
(vi) An overview of other Medicare programs that can help lower costs and how to learn more about these programs, including Extra Help, the Medicare Savings Program, the State Pharmaceutical Assistance Program, and a manufacturer's Pharmaceutical Assistance Program.
(D) If the individual has failed to pay the amount due by the end of the grace period described at paragraph (f)(4) of this section, the Part D sponsor must send the individual a termination notice explaining that the individual has been terminated from the Medicare Prescription Payment Plan.
(1) Timing. The involuntary termination notice must be sent within 3 calendar days following the last day of the end of the grace period.
(2) Contents. The involuntary termination notice must include all of the following:
(i) Pertinent dates, including the date the individual was originally notified of the missed monthly payment and the due date for that payment, as well as the date on which the individual's participation in the program ends, which should be the same date as the notice.
(ii) A statement clarifying that the notice only applies to participation in the Medicare Prescription Payment Plan, and that the individual's Part D drug coverage will not be impacted.
(iii) Instructions for how to submit payment and the amount owed.
(iv) Instructions for how to submit an inquiry or file a grievance.
(v) A statement clarifying that the individual can join the Medicare Prescription Payment Plan again if they pay the amount owed.
(vi) An overview of other Medicare programs that can help lower costs and how to learn more about these programs, including Extra Help, the Medicare Savings Program, the State Pharmaceutical Assistance Program, and a manufacturer's Pharmaceutical Assistance Program.
(3) Required grace period and reinstatement. When a program participant fails to pay a program bill, the Part D sponsor must provide individuals with a grace period of at least two months upon notifying the individual of the initial missed payment.
(iii) If a participant fails to pay their monthly billed amount under the program with fewer than two full calendar months remaining in the calendar year, the grace period must carry over into the next calendar year.
(iv) If an individual who has been terminated from the Medicare Prescription Payment Plan demonstrates good cause for failure to pay the program billed amount within the grace period and pays all overdue amounts billed, a Part D sponsor must reinstate that individual into the Medicare Prescription Payment Plan.
(4) Preclusion of election in a subsequent plan year. If an individual fails to pay the amount billed for a month as required under the Medicare Prescription Payment Plan, a Part D sponsor may preclude that individual from opting into the Medicare Prescription Payment Plan in a subsequent year.
(iii) If a Part D enrollee remains in a plan offered by the same Part D sponsor and continues to owe an overdue balance, preclusion may extend beyond the immediately subsequent plan year.
(5) Prohibition on Part D enrollment penalties. A Part D plan sponsor is prohibited from doing any of the following:
(6) Disenrollment.
(g) Participant billing rights—(1) General rule. For each billing period after an individual has opted into the program and incurred out-of-pocket costs, a Part D sponsor must calculate a monthly amount that takes into account the out-of-pocket costs in that month that were incurred on or after the date on which the individual opted into the program.
(iii) A Part D sponsor must not charge late fees, interest payments, or other fees, such as for different payment mechanisms.
(A) A Part D sponsor must ensure that—
(1) Any third party it contracts with complies with such requirements.
(2) Participants do not incur any charges or fees as a result of overbilling or overpayment errors made by the Part D sponsor.
(2) Billing period. Each billing period will be a calendar month.
(i) The billing period begins on either of the following:
(3) Billing statement. Billing statements must include all of the following information:
(xiii) LIS program information, including the following:
(4) Treatment of unsettled balances. Any unsettled balances with respect to amounts owed under the program will be treated as plan losses.
(6) Financial reconciliation. A Part D sponsor must have a financial reconciliation process in place to correct inaccuracies in billing or payments or both.
(i) Participant payment.
(2) Grievance procedures. A Part D sponsor must apply the Part D grievance procedure specified at § 423.562 to any dispute made by a program participant related to any aspect of the Medicare Prescription Payment Plan.
(2) A Part D sponsor must ensure that the “Medicare Prescription Payment Plan Likely to Benefit Notice” is provided to enrollees identified as likely to benefit (or the person acting on their behalf) through the pharmacy point of sale notification process.
(j) Pharmacy claims processing—(1) Electronic claims processing methodology. Part D sponsors must use, and must ensure pharmacies use, a bank identification number (BIN) or processor control number (PCN) electronic claims processing methodology for applicable Medicare Prescription Payment Plan transactions.
(2) Supplemental coverage that increases final patient pay amount. When a Part D enrollee has supplemental coverage that modifies their final out-of-pocket responsibility for covered Part D drugs:
(6) Re-adjudication of prescription drug claims for new program participants.
(ii) When the Part D enrollee returns to the pharmacy after their election into the Medicare Prescription Payment Plan has been effectuated, the plan sponsor must require the pharmacy to reverse and reprocess the high-cost claim that triggered the likely to benefit notification.
(k) Pharmacy payment obligations. A Part D sponsor must ensure that enrollee participation in the Medicare Prescription Payment Plan does not affect the amount paid to pharmacies or the timing of such payments, consistent with § 423.520. A Part D sponsor must not do either of the following:
(m) General Part D sponsor outreach and education requirements. The requirements described in this paragraph (m) are applicable beginning October 1, 2025, with respect to general outreach for the Medicare Prescription Payment Plan for 2026.
(1) Mailing. A Part D sponsor, except a dual eligible special needs plan (D-SNP), must provide a Medicare Prescription Payment Plan election request form, described at paragraph (d)(10)(i) of this section, and additional educational information on the program in a hard copy mailing.
(i) The mailing must be sent by the later of—
(ii) The election request form and supplemental information may be sent—
(2) Websites. In addition to meeting requirements described at §§ 423.128(d)(2) and 423.2265(b), a Part D sponsor is required to include all of the following on its website:
[90 FR 15912, Apr. 15, 2025]