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Does Medicare cover the COVID vaccine and boosters?

Tanya Feke, M.D. | April 9, 2024

Reviewed by our health policy panel.

Does Medicare cover the COVID vaccine?

Yes, Medicare covers COVID-19 vaccines 100%. Specifically, Medicare Part B covers the primary vaccine series (your first set of COVID-19 vaccines) and any booster shots recommended afterward by the Advisory Committee on Immunization Practices (ACIP) and the Centers for Disease Control and Prevention (CDC).1 How many shots you receive in your primary series depends on your age and whether or not you are immunocompromised, i.e., you have a weakened immune system.2

The Centers for Disease Control continues to recommend COVID-19 vaccination for anyone 6 months and older.3 Even though the public health emergency ended in May 2023, COVID continues to cause serious infections. The virus has resulted in thousands of hospitalizations and deaths since that time.4

Is the COVID vaccine free for everyone?

COVID-19 vaccines are free if you’re enrolled in Medicare, whether you are enrolled in Original – or traditional – Medicare or a Medicare Advantage plan. That means you will not pay a deductible, coinsurance, or copay for the vaccine itself, administration of the vaccine, or the visit for the vaccine (as long as the visit was not for other reasons).5 For example, if you got a COVID-19 vaccine during a visit you had to follow-up on your blood pressure, you would still pay a coinsurance for your visit but the vaccine and its administration would be free.

All Medicaid enrollees are also guaranteed free COVID vaccines through September 30, 2024. Enrollees with full Medicaid coverage will continue to be able to access free COVID vaccines after that date, although access to free COVID vaccines for limited-benefit enrollees will vary by state. (Examples of limited-benefit Medicaid programs include people who are eligible only for family planning benefits, or only tuberculosis-related benefits.)6

Under most private health plans, your COVID vaccine is free to you if you remain in-network. However, there could be costs for getting your vaccine through an out-of-network provider. If you have grandfathered private health insurance (meaning the plan was already in effect when the ACA was signed into law in March 2010), the policy can impose out-of-pocket costs for covered vaccines7 (Grandfathered plans are not required to cover vaccines at all.)8

There is no guarantee that uninsured adults will be able to access free vaccines. However, many children will be covered as part of the Vaccines for Children Program. This includes children 18 and younger who are eligible for Medicaid, are uninsured, are underinsured – if they get their vaccination at a Federally Qualified Health Center (FQHC) or Rural Health Center (RHC), or who are American Indian or Alaskan Native (AI/AN). It is possible that there could be administrative fees for these vaccines, although no child can be denied a vaccine if they cannot afford to pay.9

Which COVID vaccines does Medicare cover?

Medicare Part B only covers vaccines that have been approved and authorized by the FDA. As of March 2024, there were three FDA-approved vaccines available in the United States. The Pfizer and Moderna vaccines, brand names Comirnaty and Spikevax respectively, have been granted full FDA approval. The Novavax vaccine remains under an emergency use authorization.10

For the primary series, Medicare covers all three vaccines and all recommended doses based on your age and health status. The number of vaccines required in the primary series has changed over time. As of 2024, someone 12 years or older who has never been vaccinated against COVID-19 can get either one dose of the Pfizer or Moderna vaccine or one dose of the Novavax vaccine with a second Novavax dose in three to eight weeks. Depending on the vaccine, people who are younger than 12 years old or who are immunocompromised may require more doses in their primary series than people who are not immunocompromised.11

Pfizer, Moderna, and Novavax vaccines were updated against current COVID variants in 2023.)1,12 These vaccine formulations are currently used as booster shots. The majority of vaccinated people in the U.S. have completed a primary series with Pfizer or Moderna, mainly because Novavax was not authorized by the FDA until 2022. However, people can choose any of the three vaccine booster options regardless of which vaccine they got in the primary series. Please refer to CDC guidelines for booster recommendations based on age and health status.13

Does Medicare cover COVID booster shots?

Medicare covers the cost of COVID booster shots, too. These shots are intended to prevent or decrease the severity of a COVID infection caused by new variants of the virus that have occurred since your primary vaccine series.

Unlike the flu shot which is recommended every flu season, there are no hard and fast rules about COVID-19 booster vaccines, at least not yet. Booster recommendations have varied year to year as we learn more about the COVID virus and adapt vaccines to its variants. It is important to stay tuned to the CDC and the Advisory Committee on Immunization Practices (ACIP) for the most-to-date recommendations.

For 2024, the CDC has recommended that adults ages 65 and older receive an additional dose of any updated (2023 – 2024 Formula) COVID-19 vaccine.14 This can be administered at least eight weeks after your primary vaccine series or at least three months after a recent COVID infection. If you are immunocompromised – meaning you have a weak immune system based on a medical condition or from medications you take – you may need booster shots more frequently. The frequency will depend on the type of COVID vaccine you received in the past and how many doses you’ve received so far. Speak with your healthcare provider for guidance.

The CDC has recently recommended that anyone 65 and older get an additional booster shot in the spring of 2024.15 This booster shot should be given at least four months after their last dose and at least three months after a recent COVID infection.

Does Medicare pay for COVID tests?

Original Medicare does not cover at-home COVID tests. It is possible that at-home tests could be covered as a supplemental benefit if you are on a Medicare Advantage plan. You will need to check with your plan for details.

The government periodically offers free at-home tests to the public, – most recently in November 2023. There are no current federal programs that offer free at-home tests to individuals. Here are some resources where you can check to see if any free COVID-19 tests are available.

COVID testing remains free for everyone covered by Medicare when it is ordered by a healthcare provider and is performed in a laboratory. In that case, the test could be done at a clinic, a hospital, a laboratory facility, a medical office, or a pharmacy.1

The information in this article is for informational purposes only and does not substitute professional medical advice. Always seek the advice of your physician.

Tanya Feke M.D. is a licensed, board-certified family physician. As a practicing primary care physician and an urgent care physician for nearly ten years, she saw first-hand how Medicare impacted her patients. In recent years, her career path has shifted to consultant work with a focus on utilization review and medical necessity compliance. She currently works as a physician advisor at R1 RCM, Inc., where she performs case reviews for hospitals nationwide.

Dr. Feke has firsthand experience in the field of Medicare, having worked on the frontlines with both patients and hospital systems. To educate the public about ongoing issues with the program, she authored Medicare Essentials: A Physician Insider Reveals the Fine Print. She has been frequently referenced as a Medicare expert in the media and is a contributor to multiple online publications. As founder of Diagnosis Life, LLC, she also posts regular content about health and wellness to her site

  1. Coronavirus disease 2019 (COVID-19) vaccine” Accessed March 29, 2024   
  2. Updated (2023–2024 Formula) COVID-19 Vaccine Interim 2023-2024 COVID-19 Immunization Schedule for Persons 6 Months of Age and Older” Accessed April 4, 2024 
  3. Interim Clinical Considerations for Use of COVID-19 Vaccines in the United States” Accessed April 4, 2024 
  4. CDC COVID Data Tracker: Trends by Geographic Area” Accessed March 23, 2024 
  5. Medicare Billing for COVID-19 Vaccine Shot Administration” Accessed April 4, 2024 
  6. Coverage and Payment of Vaccines and Vaccine Administration under Medicaid, the Children’s Health Insurance Program, and Basic Health Program” (see Table 3) Centers for Medicare & Medicaid Services. February 2024. 
  7. Insurance Coverage of Updated COVID-19 Vaccines: A Cheat Sheet” Sep. 22, 2023 
  8. Access to Preventive Services without Cost-Sharing: Evidence from the Affordable Care Act” Assistant Secretary for Planning and Evaluation, HHS. January 11, 2022. 
  9. Vaccines For Children (VFC) Program Information for Providers” Accessed April 5, 2024 
  10. COVID-19 Vaccines” Accessed April 5, 2024 
  11. Updated (2023–2024 Formula) COVID-19 Vaccine Interim 2023-2024 COVID-19 Immunization Schedule for Persons 6 Months of Age and Older” April 3, 2024 
  12. Novavax COVID-19 Vaccine, Adjuvanted” Accessed March 29, 2024 
  13. CDC COVID Data Tracker: Vaccinations in the US” May 11, 2023 
  14. Updated COVID-19 Vaccine Recommendations are Now Available” Sept. 12, 2023 
  15. Older Adults Now Able to Receive Additional Dose of Updated COVID-19 Vaccine” Feb. 28, 2024 
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