Rosewyn Tabunan

Detail-oriented Medical Insurance Coordinator with over 10 years of experience supporting hospital-based and remote healthcare operations. Skilled in insurance verification, pre-authorizations, medical billing, prescription refill coordination, and electronic claims management. Highly proficient in ICD-10-CM and CPT coding, eligibility verification, and payer compliance.

Proven ability to manage high-volume workloads with accuracy, reduce claim turnaround times, and provide reliable administrative and virtual healthcare support. HIPAA Certified with strong commitment to patient confidentiality, data privacy, and healthcare compliance standards.

Medical Insurance Coordinator (Remote) - Medical Refill Arabia - Jeddah, Saudi Arabia

(2013-08)

• Conduct insurance eligibility verification and secure pre-authorizations for medications and medical services
• Submit, monitor, and follow up on electronic insurance claims across multiple payers
• Investigate and resolve claim denials, discrepancies, and re-submission requirements
• Maintain accurate patient insurance records, authorizations, and billing documentation
• Coordinate with healthcare providers and insurance representatives to ensure smooth workflow

Laboratory Technician - International Medical Center - Jeddah, Saudi Arabia

(2012-07 - 2013-07)

• Processed, labeled, and handled clinical specimens following laboratory safety protocols
• Assisted in sample collection and basic laboratory testing procedures
• Ensured accuracy, quality control, and proper documentation of laboratory results
• Coordinated referrals for specialized external diagnostic testing

Medical Biller & Insurance Staff - Dr. Ghassan & Pharaon Hospital - Jeddah, Saudi Arabia

(2009-07 - 2012-04)

• Verified patient insurance coverage and demographics for accurate billing
• Prepared and submitted electronic and paper insurance claims to multiple providers
• Applied ICD-10-CM and CPT codes to ensure correct billing and reimbursement
• Managed billing inquiries and assisted in onboarding and training new staff

Production & Laboratory Textile Chemist - CKL Industries Inc. - Imus, Cavite, Philippines

(2001-01 - 2003-07)

• Performed laboratory testing, production support, and quality control procedures
• Managed chemical handling, documentation, and safety compliance
• Assisted in production coordination and reporting of laboratory results

Bachelor of Science - Chemistry - Saint Mary's University