Medical Billing & Revenue Cycle Specialist

We are seeking an experienced Medical Billing & Revenue Cycle Specialist to support a U.S.-based healthcare services organization working with primary care practices. This hands-on role manages the full revenue cycle, including claims submission, payment posting, denial management, appeals, and patient billing support.

The ideal candidate has strong U.S. medical billing experience, direct experience with athenahealth (Athena), and the communication skills to professionally assist U.S. patients and practice teams. This is a full-time, fully remote position with two weeks of initial training.

Duties / Task to perform

• Review and submit claims in Athena, ensuring accuracy and completeness before submission.
• Verify coding, modifiers, and payer requirements before claims are submitted.
• Monitor clearinghouse rejections and promptly resolve and resubmit affected claims.
• Track claim status throughout the full billing cycle.
• Post insurance and patient payments from ERA/EOB documentation accurately and on time.
• Reconcile payments against expected reimbursement and identify discrepancies.
• Apply adjustments, write-offs, and contractual allowances according to established practice and payer guidelines.
• Identify, categorize, and work denied or underpaid claims.
• Research denial root causes, including coding, eligibility, authorization, and timely filing issues, and take corrective