AR Representative - 258140

Medix™; Knoxville (TN); On-site; USD 42,000 - 48,000; Full time

Job summary

Medix in Knoxville, TN seeks an experienced Healthcare Medical Biller & AR Denial Specialist to join a fast-paced Centralized Business Office on-site.

The role focuses on resolving complex denials, performing root-cause analysis, and ensuring timely, accurate patient billing and customer service.

Qualifications

• Minimum 2+ years of hands-on healthcare AR collections and claim denial management experience.
• Ability to read Remittance Advice (RA) and Explanation of Benefits (EOB) and write formal appeals.
• Working knowledge of ICD-10, CPT codes, modifiers, and medical necessity rules.

Responsibilities

• Denial Resolution & Appeals: review, root-cause analysis, and resubmissions for complex denials.
• Practice Management System Navigation: use Athena IDX to review notes, correct codes, apply modifiers, drive clean claim resolution.
• Payor Communication: resolve unpaid or rejected claims via payor portals and calls.
• Patient Services: answer billing inquiries and arrange payments during office hours.
• Production Standards: target ~50 tasks or accounts per day.

Skills

AR denial management

Payor portal navigation

Customer service

Tools

Athena IDX

Job description

Job Title: Healthcare Medical Biller & AR Denial Specialist

Location: Knoxville, TN (On-site)

Pay Rate: $20.00 – $23.00/hour

Schedule: Full-Time, Monday – Friday | 8:00 AM – 4:30 PM (Fixed Schedule)

Position Overview

We are seeking an experienced Medical Billing & Accounts Receivable Specialist to join a premier, fast-paced Centralized Business Office (CBO) in Knoxville. This role focuses on resolving complex commercial and government claim denials, performing root-cause analysis, and delivering top-tier patient customer service.

If you thrive in a self-directed environment, have hands-on experience navigating payor portals, and enjoy bringing order to high-volume workflows, this is an excellent opportunity to expand your expertise in specialized specialty billing.

Key Responsibilities

• Denial Resolution & Appeals: Perform manual review, root-cause analysis, and resubmissions/appeals for complex commercial and government claim denials (BlueCross ~30%, Medicare/Medicare Advantage ~30%, Humana, etc.).
• Practice Management System Navigation: Utilize enterprise billing software (Athena IDX) to review clinical notes, correct ICD-10/CPT codes, apply appropriate modifiers, and drive clean claim resolution.
• Payor Communication: Work directly through payor portals and phone lines to investigate and resolve unpaid or rejected claims.
• Patient Services: Answer incoming patient phone calls regarding billing inquiries, statement balances, and payment arrangements during standard office hours.
• Production Standards: Maintain a consistent target production goal of working roughly 50 tasks or accounts per day.

Required Qualifications

• Experience: Minimum 2+ years of hands-on healthcare AR collections and claim denial management experience.
• Financial Knowledge: Proven ability to read and interpret Remittance Advice (RA) and Explanation of Benefits (EOB), as well as write formal appeals.
• Coding & Compliance: Working knowledge of ICD-10, CPT codes, modifiers, and medical necessity rules.
• Customer Service: Comfortable taking inbound patient phone calls regarding account balances with a compassionate, resolution-focused mindset.
• Core Competencies: High accountability, self-starter mentality, and strong verbal communication skills.

Preferred Qualifications

• Direct hands-on experience operating within Athena IDX (Candidates with Athena experience will be prioritized).
• Prior experience with specialty medical billing, particularly Oncology, Hematology, or Infusion.
• Background working in a Centralized Business Office (CBO) or physician practice group environment.

Why Join Us?

• Growth Potential: Clear contract-to-hire pathway into a leading regional healthcare practice.
• Specialty Experience: Gain high-value experience in complex oncology billing and enterprise software systems.
• Culture: Collaborative, supportive management team committed to team success and professional development.
• Equipment Provided: Full hardware provided on-site.