Medical Billing Specialist

Company: Addison Group
Location: Saint Louis
Posted on: January 28, 2026

Job Description:

Job Description Job Title: Medical Billing Specialist Location (City, State): St. Louis, MO (Hybrid) Industry: Healthcare / Revenue Cycle Management Compensation: $22–$25 per hour (based on experience) Work Schedule: Monday–Friday, 8:00 AM – 4:30 PM; full-time; onsite during training, then hybrid with a minimum of 3 in-office days per month Employment Type: Contract-to-Hire Eligibility for medical, dental, vision, and 401(k) benefits About Our Client: Addison Group is hiring on behalf of our client, a stable and growing healthcare organization supporting multiple care locations. The team values accuracy, compliance, and collaboration, and offers a supportive environment with transparent communication and ongoing coaching. Job Description: The Billing Specialist is responsible for initial third-party payer billing and related revenue cycle activities, including claim submission, payment posting, and coordination with senior billing staff. This role supports timely reimbursement and serves as a resource for insurance-related questions across the organization. Key Responsibilities: Submit electronic claims to Medicare, Medicaid, managed care, and commercial payers Monitor claim acceptance and resolve rejections or returned claims promptly Process coinsurance claims and escalate complex or aging accounts as needed Post third-party payments accurately to Accounts Receivable Assist with Medicare-specific billing such as no-pay, benefit exhaust, and informational claims Escalate claims requiring appeal, audit, or extended follow-up to senior billing staff Maintain current knowledge of Medicare, Medicaid, and payer billing requirements Enter ancillary and supplemental charges into the billing system in a timely manner Support internal teams by answering insurance benefit and billing questions Verify insurance coverage prior to billable services when required Assist with small balance adjustments and billing updates related to retroactive coverage changes Qualifications: 1–3 years of hands-on Medicare billing and cash posting experience Experience managing billing tasks end-to-end without transferring work to another department Exposure to home health, skilled nursing, or similar healthcare settings preferred Familiarity with DDE, MACs, and PDGM strongly preferred Proficient with Microsoft Excel and healthcare billing systems; PCC experience a plus Strong communication skills and ability to work collaboratively Perks: Hybrid flexibility after training Opportunity for growth within a stable, expanding organization Additional Details: Onsite training required Reliable transportation required Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state, and local laws. Addison Group complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. Reasonable accommodation is available for qualified individuals with disabilities, upon request.

Keywords: Addison Group, Belleville , Medical Billing Specialist, Accounting, Auditing , Saint Louis, Illinois