Best Practices for Billing Out Medicare Claims

If your healthcare organization accepts Medicare, efficient and accurate billing is key to maintaining steady cash flow and compliance. Submitting clean claims the first time reduces denials, speeds up payments, and protects your organization from costly audits. Below are today’s best practices for billing out Medicare claims, to help your team stay compliant and profitable.

1. Stay Current on Medicare Billing and Coding Updates

Medicare billing and coding guidelines change frequently. From annual CPT® and HCPCS code updates to quarterly changes from the Centers for Medicare & Medicaid Services (CMS), staying current is essential. Best practices include:

• Subscribing to CMS MLN Connects and your local Medicare Administrative Contractor (MAC) newsletters.
• Attending Medicare billing and compliance webinars.
• Regularly reviewing National Coverage Determinations (NCDs) and Local Coverage Determinations (LCDs).

Tip: A medical billing specialist can help your organization stay compliant with the latest regulations, modifiers, and claim submission rules.

2. File Claims Promptly and Correctly

The timely filing limit for Medicare Part A and Part B claims remains 12 months (one calendar year) from the date of service. Late claims are automatically denied unless they meet specific exceptions (e.g., retroactive entitlement or system errors). To ensure timely filing:

• Set up automated claim submission schedules in your EHR or billing system.
• Regularly audit claims aging reports to prevent delays.
• Verify Medicare eligibility and coverage before services are rendered, especially with the rise of Medicare Advantage plans.

3. Leverage Technology to Improve Accuracy and Efficiency

Modern billing technology can drastically reduce errors and administrative burden. Look for features like:

• Integrated clearinghouses that flag coding or modifier errors before submission.
• Automated eligibility checks for Medicare and secondary payers.
• Denial management dashboards that track trends and root causes.

If your practice uses AI-driven coding assistance or predictive analytics tools, ensure they are updated with CMS’s latest logic and compliance rules to prevent inadvertent errors.

4. Maintain Ethical and Accurate Coding

Avoiding upcoding and unbundling is critical. Coding errors, intentional or not, can trigger CMS audits and penalties. Best practices:

• Have a certified medical coder review complex claims.
• Use the most specific ICD-10 codes available.
• Stay compliant with Medicare’s Medically Unlikely Edits (MUEs) and National Correct Coding Initiative (NCCI) edits.
• Document medical necessity thoroughly in the clinical record.

Compliance should always take priority over speed. Shortcuts in coding can lead to long-term revenue loss.

5. Address Claim Denials and Rejections Quickly

Denials are a reality of Medicare billing, but they don’t have to hurt your bottom line. Best practices include:

• Setting a denial resolution workflow within 3–5 business days.
• Categorizing denials (coding, eligibility, missing documentation) to identify trends.
• Re-educating staff on frequent denial reasons such as incorrect modifiers, invalid NPI numbers, or coordination-of-benefit errors.

Prompt denial management keeps revenue cycles healthy and improves your clean claim rate over time.

6. Capture All Charges and Monitor Reimbursements

Ensure every service provided to Medicare patients is documented and billed accurately. Missed charges add up quickly.

• Conduct regular charge capture audits.
• Use EHR reports to identify missing encounters or unbilled visits.
• Compare expected vs. actual reimbursement rates to identify payer underpayments or patterns in downcoding.

7. Partner with a Medical Billing Specialist

Outsourcing to an experienced Medicare billing and coding specialist can help your organization navigate complex regulations, minimize denials, and ensure compliance. Specialists understand CMS nuances from modifiers and LCD rules to the latest MAC changes, and can optimize your billing cycle for both accuracy and efficiency.

Streamline Your Medicare Billing with Applied Medical Systems

At Applied Medical Systems (AMS), our certified medical billing and coding specialists are experts in Medicare claim submission, denial management, and compliance audits. We stay ahead of every CMS update so your organization doesn’t have to. If you’re ready to reduce errors, accelerate reimbursements, and strengthen your Medicare billing process, contact AMS today to learn how our team can support your practice.