Ana Lidia Aguilera Hechavarria
Summary
Detail-oriented Medical Billing and Accounts Receivable Specialist with 4+ years of experience in radiation oncology billing, payment posting, insurance follow-up, and denial management. Demonstrated expertise in reviewing medical records to identify coding discrepancies, accurately posting insurance and patient payments, and collaborating directly with payers to ensure timely and accurate reimbursement. Highly proficient in healthcare billing and practice management systems, including ARIA/MOSAIQ, ARIA/MARS, InstaMed, CGM, Tebra, Epic, Availity, Microsoft Teams, Par8o, Iridium, Veradigm PM, and eClinicalWorks (eCW). Bilingual in English and Spanish, with a strong commitment to accuracy, compliance, and revenue cycle optimization.
Overview
11
11
years of professional experience
2
2
Certifications
Work History
Radiation Oncology Biller /Accounts Receivable Specialist
ReveLution LLC
07.2020 - Current
- Managed full A/R lifecycle for two radiation oncology clinics, including charge review, payment posting, insurance follow-up, and patient balances.
- Posted insurance and patient payments accurately and timely using InstaMed and internal billing systems.
- Reviewed EOBs and ERAs to ensure correct reimbursement and identify underpayments.
- Investigated unpaid and underpaid claims by reviewing medical records, insurance policies, and payer guidelines.
- Performed denial analysis, auditing patient files, and validating CPT and ICD-10 codes to ensure accurate billing and resubmission.
- Communicated directly with commercial and government payers to resolve denied or delayed claims.
- Updated insurance information and verified coverage to prevent claim rejections.
- Assisted patients with financial counseling, payment plans, and available financial assistance options.
- Reviewed patient charts to identify documentation or coding discrepancies affecting reimbursement.
- Analyzed medical documentation to meet payer authorization and medical necessity requirements.
- Verified insurance eligibility for patients by calling appropriate parties.
- Prepared and submitted insurance appeals and reconsideration requests for denied claims, including medical necessity, coding, and authorization-related denials, to support accurate reimbursement.
Medicare Part D Customer Service Representative
TTEC
02.2019 - 07.2020
- Provided customer support to Medicare Part D members regarding prescription coverage, benefits, and plan design.
- Verified member eligibility, insurance coverage, and pharmacy benefits to ensure accurate information and service delivery.
- Assisted members with prescription-related issues, including coverage determinations and formulary inquiries.
- Documented interactions accurately while maintaining strict HIPAA compliance and confidentiality standards.
- Coordinated with insurance carriers and pharmacies to resolve coverage issues and denied or delayed claims.
- Maintained and updated member records in internal systems to ensure data accuracy.
Medical Spanish Interpreter
IRCO
Portland
01.2015 - 03.2019
- Provided professional medical interpretation services for healthcare providers and patients in clinical and educational settings.
- Facilitated accurate communication between providers and Spanish-speaking patients to support informed consent and treatment understanding.
- Translated medical and educational documents while maintaining accuracy, cultural sensitivity, and confidentiality.
- Adhered to ethical standards and HIPAA regulations to protect patient information.
- Supported care coordination by ensuring clear communication during medical visits and procedures.
Education
Associate Degree -
Dallas College
Texas01-2023
Skills
- Medical billing systems
- Team collaboration
- Claims processing
Revenue cycle management - Audit procedures
- Healthcare compliance
- Electronic health records
- Attention to detail
Languages
Spanish
Native/ Bilingual
Certification
Medical Billing and Coding - C6M3D6B2
Timeline
Radiation Oncology Biller /Accounts Receivable Specialist
ReveLution LLC
07.2020 - Current
Medicare Part D Customer Service Representative
TTEC
02.2019 - 07.2020
Medical Spanish Interpreter
IRCO
01.2015 - 03.2019
Associate Degree -
Dallas College