Medical Billing Data Entry and Accounts Receivable AR Specialist (athenahealth, greenway)

Job Summary RCM Staff BPO is hiring a full-time Medical Billing Data Entry and Accounts Receivable (A/R) Specialist to support a medical billing company based in Pennsylvania. The specialist will start by entering patient demographics, insurance details, charges, and payments from paper and scanned documents into athenahealth and Greenway, then move into insurance A/R follow-up and denial work once the data entry backlog is cleared. This role requires speed with accuracy, strong A/R follow-up skills, and experience working with U.S. health insurance plans. Key Responsibilities * Enter patient demographics and insurance information from paper and scanned source documents into athenahealth and Greenway * Enter charges and create claims, checking for missing or incomplete information before submission * Post payments and adjustments from ERAs, EOBs, and paper remittances * Check insurance eligibility and benefits to support accurate registration * Log missing, unclear, or incomplete documents and route them to the client for resolution * Follow up on unpaid and underpaid insurance claims through payer portals and phone calls * Research and resolve denials, including corrected claims and appeals * Meet the productivity and accuracy targets set by the client * Document all work clearly in the client's systems and trackers * Protect patient information and follow HIPAA requirements Qualifications * At least 2 years of experience with U.S. healthcare insurance and medical billing * Hands-on experience with insurance A/R follow-up and denial management * Experience with charge entry, demographic entry, or payment posting * Familiarity with commercial insurance and government health plans such as Medicare and Medicaid * Experience using payer portals and insurance websites * Strong written and spoken English * Excellent attention to detail and follow-up skills * Fast, accurate typing and comfort working with high volumes of paper-based source documents * Ability to work independently and manage multiple patient accounts * Reliable internet connection and a suitable remote workspace Preferred Qualifications * A/R experience in Critical Care, Anesthesia, or Pulmonology billing * Experience using athenahealth * Experience using Greenway (Intergy or Prime Suite) * Familiarity with Pennsylvania insurance plans such as Highmark, UPMC Health Plan, and Pennsylvania Medicaid Schedule * Full-time position * Must be available during Eastern Time business hours * Final schedule will be determined based on practice needs Work Arrangement * Remote * Philippines-based applicants preferred