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The COA Health Insurance Industry Weekly Blog

Medical billing insights and claims auditing tips

June 13, 2026 · COA Auditing

Understanding Medicare Medication Coverage: Parts A, B, and D Explained

One of the most confusing aspects of Medicare is understanding which part covers which medications. Many patients are surprised to find a prescription denied or...

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June 13, 2026 · COA Auditing

Key Medicare Changes for 2026: What Patients and Providers Need to Know

Medicare is entering 2026 with several significant changes that directly affect how patients pay for medications, how claims are processed, and how insurance pl...

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