Identify a Health Maintenance Organization (HMO) in the CMS Medicare Advantage Plan Directory
You can find out the name, address and contact information for an HMO in just a few steps.
  • Go to the CMS Medical Advantage (MA) Plan Directory page on the CMS website
  • Click on the current MA Plan Directory link. The link will prompt a window to open a zip file. Open the CSV spreadsheet document in the zip file.
  • Hold down Ctrl + F on the keyboard to open the Find/Replace popup window
  • Type in the HMO Code you wish to identify and click on Find Next to search for the entered code

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