Remote Medical Biller — Behavioral Health (Part-Time)

Ataraxis; Chicago (IL); Remote; USD 42,000 - 58,000; Part time

Job summary

Ataraxis is seeking a Part-Time Medical Biller to support a behavioral health practice. This remote role is centered in the Chicago area with ~20 hours per week, typically 9:00 AM–1:00 PM or 9:00 AM–2:00 PM Central, Monday–Friday. You will manage the full billing cycle and communicate billing status with the team.

The ideal candidate has strong U.S. medical billing experience, especially in behavioral health, and can work independently while maintaining accuracy and timely submissions.

Qualifications

• Strong U.S. medical billing experience is required.
• Experience billing for behavioral health, mental health, therapy, or similar practices preferred.
• Ability to work independently with clear communication.

Responsibilities

• Manage the full medical billing cycle for a behavioral health/group therapy practice.
• Verify patient insurance eligibility and benefits.
• Assist with and follow up on prior authorization requirements and requests.
• Prepare and submit insurance claims accurately and in a timely manner.
• Monitor claim status and follow up on unpaid or delayed claims.
• Review and resolve claim denials, rejections, and billing issues.
• Prepare and submit appeals when appropriate.
• Process and review ERAs (Electronic Remittance Advices).
• Track patient and insurance payments and ensure accurate posting.
• Perform regular billing and payment reconciliations.
• Identify outstanding balances and follow up as needed.
• Maintain accurate billing records and documentation.
• Communicate clearly with practice staff regarding billing concerns, claim issues, and outstanding items.
• Help ensure billing workflows remain accurate, organized, and up to date.

Skills

Medical billing

Behavioral health billing

End-to-end billing

Job description

Ataraxis is seeking a Part-Time Medical Biller to support a behavioral health practice. This remote role is centered in the Chicago area with ~20 hours per week, typically 9:00 AM–1:00 PM or 9:00 AM–2:00 PM Central, Monday–Friday. You will manage the full billing cycle and communicate billing status with the team.

The ideal candidate has strong U.S. medical billing experience, especially in behavioral health, and can work independently while maintaining accuracy and timely submissions.