• Manage end-to-end medical billing and AR follow-ups for US healthcare providers across multiple specialties. • Analyze and resolve denied and rejected claims, reducing denial rate through effective root cause analysis and payer follow-ups. • Handled charge entry, claim submission, payment posting, adjustments, and write-offs in compliance with payer contracts. • Performed appeals and resubmissions for underpaid and denied claims, minimizing revenue leakage. • Reduced AR backlog by over 70% by optimizing work queues and prioritizing high-value aging accounts. • Supported RCM operations for 365+ client accounts while maintaining SLA adherence. • Generated AR, denial, and productivity reports using Excel and EHR systems. • Trained and mentored new team members on billing workflows, payer guidelines, and quality standards.