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The Centers for Medicare & Medicaid Services

Contact Us

Contact the MAT Support Desk

Questions regarding user account registration and technical assistance for the Measure Authoring Tool (MAT) should be sent to the MAT Support Desk using the form below. For any technical issues, you must provide the browser and browser version you are using upon submission.

We welcome comments, suggestions, and improvement ideas. Please submit them to the MAT Support Desk. These will be reviewed by the MAT Product Management Team.

Use the form below to contact the MAT Support Desk:

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MAT Support Desk

Hours of Operation

  • Monday - Friday
  • 8:00 am - 5:00 pm
  • Eastern Time

Closed on the following holidays:

  • New Year's Day
  • Martin Luther King Jr. Day
  • Memorial Day
  • Independence Day
  • Labor Day
  • Veterans Day
  • Thanksgiving
  • Day after Thanksgiving
  • Christmas Eve
  • Christmas