Medical Biller & Credentialing Specialist

We are seeking a detail-oriented, proactive Medical Biller & Credentialing Specialist to support our client's U.S. healthcare practice on a part-time basis. The ideal candidate has prior hands-on experience in U.S. medical billing and provider credentialing, and excels at tracking outstanding claims, managing payer follow-ups, and assisting families with billing inquiries accurately and independently. Key Responsibilities Claims Management & Follow-Up: Monitor outstanding insurance claims, check claim statuses using Waystar and Availity , and proactively follow up on unpaid or delayed claims to ensure timely reimbursement. Provider Credentialing: Assist with provider credentialing applications, payer enrollments, re-credentialing updates, and related administrative documentation. Patient & Family Billing Support: Manage patient statements and communicate clearly and empathetically with private-insurance patients and families regarding copays, balances, and payment questions. Revenue Cycle Coordination: Work alongside the practice's existing billing team to keep billing records, claim notes, and payer statuses organized and up to date. Requirements U.S. Medical Billing Experience: Proven prior experience handling medical billing for a U.S.-based healthcare practice. Platform Proficiency: Hands-on experience working inside Waystar (claims/revenue cycle platform) and Availity (insurance and payer portal) to check claim statuses and resolve outstanding claims. Credentialing Background: Working knowledge of provider credentialing and payer enrollment processes. Communication & Autonomy: Strong written and verbal English communication skills, high attention to detail, and the ability to work independently with consistent follow-through. Schedule Alignment: Availability to work 20 hours per week during Central Time (CT) business hours. Please note that this is a full-time contractor position (40 hours per week) with a starting pay rate of $6 per hour depending on skillset and experience. This is a part-time opportunity; the schedule is Monday through Friday, 8am-5pm, CST.