Use 3 key numbers to figure whether Medicare is primary

Why This Topic Matters

Incorrect primary payer selection can trigger claim denials, payment reversals, and administrative rework. Understanding the broad Medicare secondary payer framework helps practices reduce billing errors and catch coordination-of-benefits problems before claims are submitted.

Article Sections

1. Determining whether Medicare is primary

   Explains the general Medicare secondary payer topic and the types of coverage situations addressed in the article. Introduces the broad factors used to sort primary versus secondary responsibility.

2. Working beneficiaries with disability coverage

   Covers the employer-size factor discussed for patients who are Medicare-eligible due to disability and still have group health plan coverage. Describes the general scenario where company size affects which payer is primary.

3. Patients 65 or older and spouse-based coverage

   Reviews the payer-order question for older patients who have group health coverage through current employment or through a spouse. Addresses the general role of employment status and group coverage in primary payer determination.

4. ESRD coverage and COBRA

   Summarizes the special timing-based Medicare secondary payer rules that apply to ESRD cases. Notes that the article also mentions the same framework in relation to COBRA coverage.

5. Catch MSP mix-ups early: Here's how

   Discusses operational steps for identifying and correcting coordination-of-benefits problems before or after claim submission. Covers claim reopening, documentation support, and front-desk prevention practices.