Key Takeaways
  • Medicare covers CPAP therapy for obstructive sleep apnea under specific conditions.
  • To qualify, you must be diagnosed with OSA after a sleep test ordered by a doctor enrolled in Medicare.
  • Medicare pays for 80% of the cost of a CPAP machine and supplies after you’ve met your Medicare Part B deductible.
  • Following Medicare’s rules is critical to getting and continuing CPAP coverage.

Medicare covers continuous positive air pressure (CPAP) machines for obstructive sleep apnea (OSA) treatment, but only under certain conditions . To get coverage, you need specific documentation from your doctor. Additionally, both your doctor and CPAP supplier must be enrolled in Medicare . Whether you have Original Medicare or Medicare Advantage, it’s important to know the rules that determine coverage for initial CPAP therapy and ongoing replacement of CPAP supplies.

Insurance can be complicated, so we’ve broken down key information about what Medicare requires to cover CPAP machines and accessories.

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Medicare CPAP Coverage

Original Medicare (including Part B) covers CPAP therapy for OSA if you meet specific requirements . These requirements include:

  • Having a Medicare-enrolled doctor: Medicare will only provide coverage for tests and treatment that are ordered by a doctor who is enrolled in the Medicare program. 
  • Having a diagnosis of OSA: You must be diagnosed with OSA based on an overnight or at-home sleep study. In addition, Medicare requires that you have a minimum number of breathing disruptions per hour of sleep to qualify for coverage.

If you meet these conditions, Medicare will pay for a 12-week trial rental of a CPAP machine. The device must come from a durable medical equipment (DME) supplier that is enrolled in Medicare. 

At the end of the trial, your doctor will look at data from the device to determine whether CPAP therapy is helping you. If you’re using and benefitting from the CPAP machine, Medicare will continue to cover its rental cost for another 10 months. 

After 13 total months of Medicare payments, you become the owner of the CPAP machine. Medicare will pay for essential replacement CPAP supplies for as long as you have a medical need .

Who’s Eligible?

Anyone with Medicare or a Medicare Advantage plan is eligible for coverage of CPAP therapy if they are diagnosed with OSA by a doctor enrolled in Medicare. 

For Medicare to recognize a diagnosis, it needs to come after a doctor’s appointment and a sleep test. The test must measure the average number of breathing disruptions you have during sleep, and Medicare only covers CPAP therapy if you’ve recorded a minimum number of these disruptions.

What’s Covered?

Medicare covers the CPAP device and any supplies that are necessary to use it. These supplies include a mask, filter, and tubing. Medicare will also pay to replace these supplies over time if you have an ongoing need for CPAP therapy.

It’s important to note that while Medicare covers CPAP therapy, it doesn’t pay all the costs. You have to meet your Medicare Part B deductible first, and then Medicare will cover 80% of CPAP equipment.

How Do You Qualify?

To qualify for Medicare coverage of CPAP therapy, you have to follow a series of steps: 

  1. Doctor visit: Start by meeting with a Medicare-enrolled doctor to discuss your symptoms.
  2. Testing: Take a doctor-prescribed test for OSA, such as a sleep study.
  3. Diagnosis: Receive a diagnosis of OSA and an order for CPAP therapy from your doctor.
  4. Locating a CPAP supplier: Find a Medicare-enrolled durable medical equipment (DME) supplier who tells you directly that they will accept assignment of your Medicare claim.
  5. Ordering: Order a CPAP machine and necessary accessories from the supplier.
  6. Follow up: Meet with your doctor after three months to determine if ongoing CPAP therapy is medically beneficial.

If you’re new to Medicare and already using a CPAP device, you’ll need to start by having an appointment with a Medicare-enrolled doctor to document your medical need for CPAP therapy. If your previous sleep test meets Medicare criteria for coverage, you won’t need a new test.

Medicare and CPAP Compliance

Medicare only covers a CPAP device if you use it regularly. This is called CPAP compliance or adherence.

Under Medicare rules, you must use the device for a minimum of four hours per night on at least 70% of nights . Your doctor will look at data from the CPAP machine to determine if you meet these CPAP compliance requirements.

Does Medicare Cover CPAP Supplies?

Medicare covers essential CPAP supplies, such as humidifiers, masks and headgear, hoses, and filters, provided you have a documented medical need. 

A properly maintained CPAP machine is expected to last for about five years, but other supplies need to be replaced more often. If your doctor has written an order for CPAP therapy, Medicare will pay for replacement supplies that you need to properly operate your CPAP device. Check your equipment’s replacement schedule to ensure each component is changed out as needed.

Medicare CPAP Supplies Replacement Schedule

Medicare won’t pay for an unlimited amount of CPAP supplies. Instead, Medicare covers supplies according to an established schedule.

CPAP ItemMedicare Will Replace…
Nasal mask cushions or pillows2 per month
Full-face mask cushion1 per month
CPAP mask frame1 per 3 months
Headgear1 per 6 months
Chinstrap1 per 6 months
Disposable CPAP machine filters2 per month
Non-disposable CPAP machine filters1 per 6 months
Hoses and tubing1 per 3 months
Humidifier water chamber1 per 6 months

If you want or need any supplies more frequently, you’ll have to pay for them out of your own pocket.

Even though Medicare will cover items on a recurring basis, you can’t set up automatic orders. Medicare requires that you approve each specific order for the supplies to be covered.

Frequently Asked Questions

What treatment does Medicare cover for sleep apnea?

Like most insurance, Medicare covers several standard treatments for people diagnosed with obstructive sleep apnea. In addition to positive airway pressure therapy, including with a CPAP or BiPAP machine, medicare also covers oral appliance therapy, GLP-1 medication (Zepbound) when prescribed for OSA linked to excess body weight ,
nerve stimulation treatment, and surgery to address airway blockages

To cover these treatments, Medicare requires the treatment be medically necessary according to Medicare’s criteria, which are different for each type of treatment.

How much does a CPAP machine cost with Medicare?

With Original Medicare, you’ll have to pay your Part B deductible ($283 in 2026) , and after that, you pay for 20% of the Medicare-approved amount of a CPAP machine over 13 months. The average cost of a CPAP machine is between $500 and $1,200, so the total amount of your 20% share will likely fall between $100 and $240.

The exact cost will vary based on your CPAP supplier and the brand and model of device. Costs may also be different for people with Medicare Advantage plans.

How often can I get a new CPAP on Medicare?

Under Medicare, you can get a new CPAP machine once every five years. Before Medicare will cover a new device, you have to meet with your doctor in order to verify your continuing medical need for CPAP therapy.

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References
11 Sources

  1. Centers for Medicare & Medicaid Services (2023, December 17). Positive Airway Pressure (PAP) Devices for the Treatment of Obstructive Sleep Apnea.

    https://www.cms.gov/medicare-coverage-database/view/lcd.aspx?lcdId=33718&ver=52
  2. CPAP Coverage. www.medicare.gov. https://www.medicare.gov/coverage/continuous-positive-airway-pressure-devices

    https://www.medicare.gov/coverage/continuous-positive-airway-pressure-devices
  3. Centers for Medicare & Medicaid Services (2008, March 13). Continuous Positive Airway Pressure (CPAP) Therapy for Obstructive Sleep Apnea (OSA).

    https://www.cms.gov/medicare-coverage-database/view/ncacal-decision-memo.aspx?proposed=N&NCAId=204
  4. Office of Inspector General. (2013, June). Replacement schedules for Medicare continuous positive airway pressure supplies. Department of Health and Human Services.

    https://oig.hhs.gov/oei/reports/oei-07-12-00250.pdf
  5. Medicare.gov (2025). Medicare Coverage of Durable Medical Equipment & Other Devices

    https://www.medicare.gov/publications/11045-medicare-coverage-of-dme-and-other-devices.pdf
  6. Billings, M. E., & Kapur, V. K. (2013). Medicare long-term CPAP coverage policy: a cost-utility analysis. Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine, 9(10), 1023–1029.

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3778173/
  7. Medicare.gov. (n.d.). What Part B covers.

    https://www.medicare.gov/providers-services/original-medicare/part-b
  8. Constantino, A.K. (2025, January 8). Medicare can now cover Eli Lilly’s Zepbound for sleep apnea, Health Department agency says. CNBC.

    https://www.cnbc.com/2025/01/08/medicare-can-now-cover-eli-lillys-zepbound-for-sleep-apnea-cms-says.html
  9. Centers for Medicare & Medicaid Services. (2025, June 16). Surgical Treatment of Obstructive Sleep Apnea (OSA).

    https://www.cms.gov/medicare-coverage-database/view/lcd.aspx?lcdId=34526&ver=24
  10. Centers for Medicare & Medicaid Services. (2024, November 8). 2025 Medicare Parts A & B Premiums and Deductibles.

    https://www.cms.gov/newsroom/fact-sheets/2025-medicare-parts-b-premiums-and-deductibles
  11. Centers for Medicare & Medicaid Services. (2025, November 14). 2026 Medicare Parts A & B Premiums and Deductibles.

    https://www.cms.gov/newsroom/fact-sheets/2026-medicare-parts-b-premiums-deductibles

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