If you have a complaint against a hospital or ambulatory surgical center, call the Consumer Assistance Unit at 1-888-419-3456 (Press1) or write to the address listed:

Agency for Health Care Administration
Consumer Assistancy Unit
2727 Mahan Drive, BLDG. 1
Tallahassee, FL 32308

If you have a complaint against a healthcare professional and want to receive a complaint form, call the Consumer Services Unit at 1-888-419-3456 (Press2) or write to the address listed:

Agency for Health Care Administration
Consumer Services Unit
P.O. BOX 14000
Tallahasse, FL 23317-4000

medicare.gov/claims-and-appeals