What has to be on a Part D plan's website?
A Part D plan's website must have both general functionality features and specific required content, plus certain documents posted by set deadlines.
What the rule says
General website requirements:
“Part D sponsor websites must meet all of the following requirements:”
“Maintain current year contract content through December 31 of each year.”
“Notify users when they will leave the Part D sponsor's Medicare site.”
“Reflect the most current information within 30 days of any material change”
“Keep PDP content separate and distinct from other lines of business, including Medicare Supplemental Plans.”
Required content includes, among other items:
“A toll-free customer service number, TTY number, and days and hours of operation.”
“A searchable pharmacy directory.”
“A searchable formulary.”
“A description of and information on how to file a grievance, request an organization determination, and an appeal.”
“A separate section or page about MTM programs providing the following:”
“Instructions on how to appoint a representative including a link to the downloadable version of the CMS Appointment of Representative Form (CMS Form-1696).”
Required posted materials, by timeframe:
“The following materials for each plan year must be posted on the website by October 15 prior to the beginning of the plan year:”
“Evidence of Coverage.”
“Formulary.”
“The following materials must be posted on the website throughout the year and be updated as required:”
“CMS Star Ratings document, which must be posted within 21 days after its release on the Medicare Plan Finder.”
MCMG guidance adds that:
“Notification must be provided when beneficiary leaves the plan's Medicare information website, noting that the individual will go to non-Medicare information website or to a different website.”
The excerpts also list additional content items (privacy notice, transition policy, LIS chart, complaint form link, etc.) not fully quoted above; see 42 CFR § 423.2265(b) for the complete list.
Carrier and FMO rules are often stricter than CMS rules. This tool reports what CMS sources say and is not legal advice. Enrollment guidance shown is the CY 2027 version. Regulation text reflects the CY 2027 marketing rules, which apply to marketing beginning October 1, 2026.
This answer was generated by mapdbot from the sources listed below on September 23, 2026 and checked against them. Regulation text: eCFR as of 09/15/2026. It is for licensed insurance agents, is not legal advice, and does not cover carrier or FMO rules.