A complaint is a formal tool to protect your health insurance rights.When an insurance fund (e.g. NHIF or private health fund) refuses to cover an expense or delays payment, you can file an administrative complaint.This applies to both compulsory insurances andadditional.Here's how to do it - step by step.
When do you have the right to file a complaint?
They can file a complaint when the following situations are present:
- The health fund refuses to cover a service approved by regulation;
- Delayed payment of already recognized costs;
- Refusal due to "lack of grounds", despite valid documents;
- Unfounded request for additional payment by the medical facility;
- Administrative error processing documents.
Where is the appeal filed?
| Institution | When is it submitted?? |
| Regional Health Insurance Fund | In case of refusal or delay by the NHIF. |
| Central management of the NHIF | In the event of an unsolved problem with health expenses from the regional treasury. |
| CPLD/Ombudsman | In case of violation of rights, unlawful processing of personal data. |
| Financial Supervision Commission (FSC) | In case of a dispute with a private health fund. |
| Court (administrative) | When the appeal is not respected by the above authorities. |
What should the complaint contain?
The complaint must be clear, specific and supported by documents.It includes:
- Your personal data – three names, social security number, address for correspondence;
- Data on the institution or person against whom the complaint is directed;
- Description of health care expense problem - date, location, type of service;
- A specific request - for example: "to recognize the expenditure of BGN 240.";
- Attached evidence - epicrisis, invoices, opinions;
- Signature and date.
You can download a complaint form from the website of the National Health Insurance Fund or the FSC, or submit the complaint in free text.

How can you file a complaint?
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| On the spot | In the office of the National Health Insurance Fund, the ... A complaint is a formal tool to protect your health insurance rights.When an insurance fund (e.g. NHIF or private health fund) refuses to cover an expense or delays payment, you can file an administrative complaint.This applies to both compulsory insurances andadditional.Here's how to do it - step by step. When do you have the right to file a complaint?They can file a complaint when the following situations are present:
Where is the appeal filed?
What should the complaint contain?The complaint must be clear, specific and supported by documents.It includes:
You can download a complaint form from the website of the National Health Insurance Fund or the FSC, or submit the complaint in free text. ![]() How can you file a complaint?
In what period is the appeal considered?
If you do not receive a response within the specified time, you can file a report of inaction or file a legal appeal. How to increasethemthe chances of the appeal being upheld?
![]() More information on international health insurance can be found atthis link! A complaint is a formal tool to protect your health insurance rights.When an insurance fund (e.g. NHIF or private health fund) refuses to cover an expense or delays payment, you can file an administrative complaint.This applies to both compulsory insurances andadditional.Here's how to do it - step by step. When do you have the right to file a complaint?They can file a complaint when the following situations are present:
Where is the appeal filed?
What should the complaint contain?The complaint must be clear, specific and supported by documents.It includes:
You can download a complaint form from the website of the National Health Insurance Fund or the FSC, or submit the complaint in free text. ![]() How can you file a complaint?
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