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Important Medicare Numbers

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As the Quality Innovation Network-Quality Improvement Organization we have a number of resources to help you get involved in improving both the quality of your health and the quality of the overall healthcare system in your area. If you are interested in other Medicare related inquires, such as how to file a complaint or where to call for general information, please refer to the table of contact numbers below.

Topic Area

Arizona

California

Florida

Ohio

 U.S.
Virgin Islands

Appeals and
complaints

877.588.1123

877.588.1123

844.455.8708

 855.408.8557

 866.815.5440

General information

1-800-Medicare

1-800-Medicare

1-800-Medicare

1-800-Medicare

 1-800-Medicare

Fraud

800.447.8477

800.447.8477

800.447.8477

 800.447.8477

 800.447.8477

Insurance
counseling

800.432.4040

800.434.0222

800.963.5337

 800.686.1578

 340.772.7368

340.714.4354
(for St. Thomas)

Part A and B:
Bills and services

800.633.4227

800.633.4227

800.633.4227

 800.633.4227

 800.633.4227

If you are looking for a number that is not listed in this table, please visit the Arizona, California, FloridaOhio, or the U.S. Virgin Islands sections of the Medicare website for an exhaustive list.