Write a letter complaining about quality of care.

Dear Customer Service Department:

I am writing to express my dissatisfaction with services I received from [name of provider] on [date] on various grounds. (include problem you experienced, how it affected your health, and what should have been done differently; include any relevant date(s) and any names of people involved, and any actions you have already undertaken attempting to resolve the problem.}

I would appreciate it if you investigate this matter and take appropriate action to prevent the problem from happening again. You may contact me at [telephone number] if you require like any additional information. Kindly notify me in writing about the results of your investigation.

Sincerely,