Jefferson Nabaunag
@jeffersonnabaunag
Experienced medical billing and revenue cycle specialist focused on accurate claims resolution.
What I'm looking for
I am a dedicated medical billing and revenue cycle specialist with years of experience managing claims, appeals, authorizations, and payer communications across remote, hybrid, and onsite environments.
I have a proven record of submitting accurate CPT and ICD-10 coding, reconciling patient encounters, and meeting productivity and accuracy benchmarks while maintaining compliance with payer and value-based care requirements.
My background includes crafting well-supported medical appeals, researching payer requirements, procuring medical records, and resolving denials to secure reimbursements. I routinely collaborate with providers, patients, and payers to close outstanding balances and prevent future denials.
I bring attention to detail, strong communication skills, and a commitment to process improvement, having worked in roles from customer support and escalation handling to subject matter expert and billing specialist.
Experience
Work history, roles, and key accomplishments
Billing Specialist
Adaugeo Healthcare
Nov 2024 - Jun 2025 (7 months)
Performed accurate CPT and ICD-10 charge entry and reconciled patient encounters daily, completing charge entries within 1–2 days and maintaining high accuracy to meet productivity and compliance targets.
DME Authorization Specialist
iSleep LLC
Aug 2024 - Oct 2024 (2 months)
Initiated and managed prior authorizations for durable medical equipment, verified insurance benefits, maintained EMR records, and followed up to resolve delays or denials to ensure timely authorization outcomes.
Medical Appeal Writer
iRhythm Technologies
Jun 2023 - Aug 2024 (1 year 2 months)
Managed payer denials by procuring records, performing analytic clinical reviews, and developing evidence-based appeals to recover underpaid or denied claims, improving reimbursement outcomes.
Medical Claims Analyst
Med-Metrix
Aug 2022 - May 2023 (9 months)
Submitted and corrected medical claims per payer guidelines, researched rejections, escalated stalled claims, and pursued appeals to ensure accurate payment and accounts receivable collection for assigned clients.
Served as SME for Blue Cross Blue Shield of Rhode Island, resolving provider billing and claims issues, educating providers on eligibility/benefits, and improving customer satisfaction through escalations and training.
Escalation Representative
Hinduja Global Solutions
Aug 2014 - Apr 2018 (3 years 8 months)
Handled escalation calls for Blue Shield 65 Plus, resolving complex provider claims and appeals, redirecting issues appropriately, and contributing to team activities to enhance customer satisfaction.
Customer Support Representative
Sterling Global Call Center
Oct 2013 - Jun 2014 (8 months)
Provided customer support for Smart and Sun Cellular, resolving customer requests per company policies and escalating issues to team leads to meet service expectations.
Logistics Coordinator
JP Tragura Trucking
Aug 2010 - Apr 2013 (2 years 8 months)
Scheduled and dispatched trucks, coordinated drivers and clients, monitored vehicle performance and fuel usage, and resolved logistical challenges to ensure timely deliveries and regulatory compliance.
Education
Degrees, certifications, and relevant coursework
Informatics
Information Technology
2011 - 2013
Completed tertiary information technology studies at Informatics in Valenzuela City from June 2011 to October 2013.
Karuhatan High School
High School Diploma, Secondary Education
2002 - 2006
Completed secondary education at Karuhatan High School in Valenzuela City from June 2002 to March 2006.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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