Your eligibility determination notice explains how to appeal. In general, you can appeal by:

• Writing a letter to:
  Health Insurance Marketplace
  Attn: Appeals
  465 Industrial Blvd.
  London, KY 40750-0061
  
• Mailing in an appeal request form, using the proper form.
• Faxing your appeal request to a secure fax line: 1-877-369-0130