Position Title: Medical Billing Specialist – Infusion & Rheumatology
Status: Full-time | Remote Eligible (Latin America or South Africa)
Schedule: Monday – Friday | 8:00 AM – 5:00 PM CST (The final offer is at the client’s discretion and depends on the candidate’s interview result, skills, and experience.)
Break: 30 Min
Reports To: Chief Operating Officer

Overview

Chicago Arthritis & Regenerative Medicine is seeking a highly reliable and detail-oriented Medical Biller. This role focuses on ensuring accuracy, timeliness, and integrity in billing operations while maintaining exceptional communication and client service standards.

Key Responsibilities

Submit medical claims for infusion, rheumatology, and regenerative services through eCW, Waystar, Inbox Health and other billing platforms.
Follow up on unpaid and denied claims; prepare and submit appeals when appropriate
Audit and reconcile GPO and distributor invoices for accuracy
Manage biologics copay assistance enrollments and payments
Generate and analyze monthly billing and reimbursement reports
Maintain and update ledgers, payment logs, and internal spreadsheets
Collaborate with CEO, Admin and clinical teams to ensure proper documentation and charge capture
Communicate with patients regarding balances, payment options, and insurance inquiries
Send accounts to collections every 90 days in accordance with policy
Provide client service support by responding promptly to both patient and internal billing inquiries

Qualifications

Minimum 3 years of medical billing experience, preferably in rheumatology, infusion, or biologics
Proficiency with eClinicalWorks
Strong understanding of CPT/HCPCS codes and prior authorization processes
Familiarity with GPO or specialty pharmacy billing preferred
Demonstrated ability to audit and resolve discrepancies with precision
Excellent written and verbal communication skills
Consistent, organized, and able to self-manage deadlines in a remote environment
Professional integrity and a commitment to protecting patient confidentiality

Core Attributes

Strong work ethic, reliability, consistency in work quality and follow-through
Proactive communication and problem-solving mindset
Team-first attitude with the ability to collaborate cross-departmentally

Medica Billing Specialist - 51137401372