Visit MyMedicare.gov, and login to your account. You can access your personalized Medicare information, including the most up-to-date information about your Part A and Part B claims. You'll usually be able to see a claim within 24 hours after Medicare processes it
If you don't know the address for your carrier, you can: 1  Find it under the Downloads section of this page. 2  Select one of the links with instructions in the name. 3  Look at your  Medicare Summary Notice  (MSN). 4  To view an electronic version of your MSN, login to MyMedicare.gov. If the claims aren't being filed timely: 1  Contact your doctor or supplier, and ask them to file a claim. 2  If they don't file a claim, call 1-800-MEDICARE. 3  Ask for the exact time limit for filing a Medicare claim for the service or supply you got. Medicare Claims & Reimbursement. Although your doctor or other health care provider is generally responsible for filing a Medicare claim for each health care service, sometimes you will have to fill out a Medicare claim yourself to receive Medicare reimbursement. Time limits on Medicare claims. Medicare claims must be filed by the end of the year (December 31) following the year in which the health care service occurred. For example, if you received health care services on March 3, 2014, your doctor has until December 31, 2014, to file the claim. If your doctor has not yet filed your Medicare claims -- and you are waiting for reimbursement or were responsible for a deductible -- you can call the doctor's office to remind them to file the claim. If that doesn't work, call 1-800-MEDICARE (1-800-633-4227). Time limits on Medicare claims. Medicare claims must be filed by the end of the year (December 31) following the year in which the health care service occurred. For example, if you received health care services on March 3, 2014, your doctor has until December 31, 2014, To check the status of Medicare Advantage Plan (Part C) or other Medicare health plan claims: 1  Contact your plan. 2  Get your plan's contact information from a Personalized Search (under General Search) , or search by plan name. 1 You’ll usually be able to see a claim within 24 hours after Medicare processes it. 2  You can also use the Blue Button on MyMedicare.gov to download and save your Part A and Part B claims information. 3  Learn more about Medicare’s Blue Button. 4  Check your Medicare Summary Notice (MSN)  Check the  Medicare Summary Notice  (MSN) you get in the mail every 3 months, or login to MyMedicare.gov to make sure claims are being filed timely. If the claims aren't being filed timely: 1  Contact your doctor or supplier, and ask them to file a claim. 2  If they don't file a claim, call 1-800-MEDICARE. 3  Ask for the exact time limit for filing a Medicare claim for the service or supply you got. You should only need to file a claim in very rare cases. Medicare claims must be filed no later than 12 months (or 1 full calendar year) after the date when the services were provided. If a claim isn't filed within this time limit, Medicare can't pay its share. If the claims aren't being filed timely: 1  Contact your doctor or supplier, and ask them to file a claim. 2  If they don't file a claim, call 1-800-MEDICARE. 3  Ask for the exact time limit for filing a Medicare claim for the service or supply you got. To check the status of Medicare Part A (Hospital Insurance) or Medicare Part B (Medical Insurance) claims: 1  Login to MyMedicare.gov. 2  You can access your personalized Medicare information, including the most up-to-date information about your Part A and Part B claims. 1 You’ll usually be able to see a claim within 24 hours after Medicare processes it. 2  You can also use the Blue Button on MyMedicare.gov to download and save your Part A and Part B claims information. 3  Learn more about Medicare’s Blue Button. 4  Check your Medicare Summary Notice (MSN)  How to File a Medicare Claim. Medicare claims should be filed within 1 entire calendar year, after the year in which the services were offered. For instance, if you saw your doctor on March 22, 2009, the Medicare claim for that visitation should be filed by December 31, 2010. Note: Filing a Medicare claim applies only if you are in the Original Medicare Program. If you obtain your Medicare healthcare through a Private Fee-for-Service Plan or a Managed Care Plan, Medicare claims will not be filed. To check the status of Medicare Prescription Drug Plan (Part D) claims: 1  Check your Explanation of Benefits (EOB). 2  Use Medicare's Blue Button on MyMedicare.gov to download and save your Part D claims information. 3  For more up-to-date Part D claims information, contact your plan. 1 You’ll usually be able to see a claim within 24 hours after Medicare processes it. 2  You can also use the Blue Button on MyMedicare.gov to download and save your Part A and Part B claims information. 3  Learn more about Medicare’s Blue Button. 4  Check your Medicare Summary Notice (MSN) 
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