Accounts Receivable Assistant

POSITION OVERVIEW Mamaya Health is seeking an experienced Accounts Receivable Assistant to join our Revenue Cycle Management team. This role supports the financial health of the organization through accurate claims management, insurance follow-up, denial resolution, payment research, and maintenance of outstanding accounts receivable. The ideal candidate has hands-on experience with mental and/or behavioral health billing and understands the full insurance claim lifecycle. This individual should be comfortable independently researching complex claim issues, communicating with insurance carriers, identifying the root cause of denials or underpayments, and taking appropriate action to bring claims to resolution. The Accounts Receivable Specialist will work closely with the revenue cycle manager and other members of the Mamaya Health team to ensure claims are processed accurately and efficiently while providing professional, compassionate support to clients and staff. IDEAL CANDIDATE Previous experience in mental and/or behavioral health medical billing. Working knowledge of Commercial, EAP, and Medicaid insurance plans. Strong understanding of primary and secondary insurance billing, including coordination of benefits (COB), claim sequencing, and secondary claim submission. Experience researching and resolving insurance denials, rejections, underpayments, overpayments, and requests for additional information. Knowledge of eligibility, benefits, copays, deductibles, coinsurance,