CMS-20033 Medicare reconsideration guide

• CMS-20033 is for reconsideration, which comes after a redetermination decision.
• The packet usually needs a copy of the redetermination notice plus any supporting evidence.
• The completed form is mailed to the Qualified Independent Contractor, not to a generic CMS address.
• PostalForm can generate the finished PDF from an online workflow so you do not have to edit the paper form by hand.
• This form is different from CMS-20027, which is used for the first level of appeal.

Use CMS-20033 when:

• You already requested a redetermination and disagree with that result.
• You want a second-level review of the Medicare claim decision.
• You need to explain why the redetermination was wrong and attach records that support the appeal.

If you are still at the first level of the Medicare appeals process, start with CMS-20027 instead.

The distinction matters because the forms belong to different stages:

• CMS-20027 is the redetermination request for first-level review.
• CMS-20033 is the reconsideration request for second-level review after redetermination.

If the packet you received mentions a Qualified Independent Contractor or asks you to appeal the redetermination result, CMS-20033 is usually the right form.

Prepare these details first:

• Beneficiary name and Medicare number
• Item or service being appealed
• Date of service
• Date of the redetermination notice
• A clear explanation of why you disagree
• Copy of the redetermination notice
• Any medical records, bills, letters, or other evidence that support the appeal

Try to keep the explanation tied to the exact item or service at issue. A shorter, specific explanation is usually easier for the reviewer to follow than a long narrative with no structure.

If you already know CMS-20033 is the right form, the cleanest path is usually:

1. Answer the beneficiary, claim, and appeal questions in PostalForm's online workflow.
2. Let PostalForm generate the completed CMS-20033 PDF.
3. Review the form, redetermination notice, and attachments in packet order.
4. Submit the packet for printing and mailing to the Qualified Independent Contractor shown in your appeal materials.

That keeps the form step, packet assembly step, and mailing step in one flow.

Mail CMS-20033 to the Qualified Independent Contractor listed in the redetermination materials or other Medicare reconsideration instructions for the claim.

Do not assume the address is the same as the contractor address used for the first-level appeal. Reconsideration packets route differently, and the address depends on the appeal materials you received.

• Mailing the packet without the redetermination notice.
• Using CMS-20033 for a first-level appeal that should have used CMS-20027.
• Sending the packet to the wrong address instead of the QIC shown in the appeal materials.
• Writing only a one-line disagreement with no useful explanation.
• Leaving out evidence that is already available and directly supports the appeal.

• CMS-20033 form page
• CMS-20033 PDF
• Medicare appeals in Original Medicare