What CPAP costs with Medicare, and how often you get new supplies
The 20% you pay and the 13-month rental. Then how often Medicare pays for new masks, hoses and filters.
Written by PlanScout teamReviewed by PlanScout Internal Review TeamLast reviewed Oct 25, 20262 sourcesHow we make money
What you pay
The 13-month rental
How often Medicare pays for new supplies
- Full-face mask: 1 every 3 months.[2]
- Cushion for a full-face mask: 1 every month.[2]
- Nasal mask: 1 every 3 months.[2]
- Nasal mask cushions or nasal pillows: 2 every month.[2]
- Headgear and chinstrap: 1 of each every 6 months.[2]
- Hose, heated or not: 1 every 3 months.[2]
- Throwaway filters: 2 every month. A reusable filter: 1 every 6 months.[2]
- Humidifier water chamber: 1 every 6 months.[2]
Rules for refills
- These are usual limits, not a promise. Medicare pays for supplies only while the machine itself is covered.[2]
- A supplier may not send more than three months of supplies at once.[2]
- Before a refill, the supplier must contact you and get a yes that you need it. It may not ship refills you did not ask for.[2]
Prices and suppliers near you
Enter your ZIP code in the price box above to see how many suppliers near you billed Medicare for PAP. Or search suppliers by ZIP.
More in this guide
- Sleep apnea machines: overviewHow CPAP machines work and how Medicare covers them. Learn the 12-week trial, the 4-hour rule and the 13-month rental. Then see how the main brands differ.
- Medicare's CPAP rules: the 12-week trial and the 4-hour ruleWhat Medicare needs in your first three months. The 4-hour rule, the visit between day 31 and 91, and what to do if the trial fails.
- CPAP masks, humidifiers and cleaningThe main mask types, how humidifiers work, and what the government says about cleaning your machine.
- Traveling with a CPAP, and fixing common problemsAirport screening, carry-on rules and using a CPAP on a plane, plus the first things to check when therapy feels wrong.
Reviewed & sourced
- Reviewer
- PlanScout Internal Review Team. Checks facts and plain-English accuracy; has no say in how results are ordered.
- What was checked
- Owner sign-off for the PlanScout Internal Review Team: Medicare coverage rules, costs and brand facts against the cited sources
- Last reviewed
- Oct 25, 2026
- Next review
- Before Jan 1, 2027 (new plan year), or sooner if Medicare changes a rule.
- Corrections
- See something wrong? Tell us. We fix confirmed errors within 2 business days and note the change in the page's change log.
- Change log
- Oct 25, 2026: First published and reviewed.