Accounts Receivable Assistant

About this role

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, and patient responsibility. Comfort communicating directly with insurance carriers regarding claim status and resolution. Dependable, organized, detail-oriented, adaptable, and able to manage competing priorities. Strong written and verbal communication skills, sound judgment, initiative, critical thinking, and problem-solving ability. Ability to work independently while recognizing when an issue should be escalated. DESIRED QUALIFICATIONS Behavioral or mental health billing experience is strongly preferred. Demonstrated knowledge of Commercial, EAP, and Medicaid billing requirements. Experience working insurance Accounts Receivable (AR). Experience with claim submission, corrected claims, reconsiderations, appeals, and denial management. Familiarity with payer portals and electronic claim systems. • Experience with AdvancedMD preferred. • Proficiency with Google Workspace. Strong attention to detail and the ability to research complex billing issues through resolution. JOB DUTIES & RESPONSIBILITIES Work assigned insurance AR queues and maintain accounts within aging expectations established by Revenue Cycle leadership. Investigate claim denials, rejections, edits, underpayments, overpayments, requests for information, and other payer correspondence. Identify root causes of claim issues and take appropriate corrective action. Review claims for billing accuracy and correct errors prior to resubmission. Submit corrected claims, reconsiderations, and appeals when appropriate. Follow up directly with insurance carriers and payer representatives regarding outstanding or incorrectly processed claims. Appropriately process claims involving primary and secondary insurance, including coordination of benefits and claim submission order. Submit or facilitate secondary claims after primary insurance adjudication. Obtain necessary documentation or information from clients, providers, or internal team members to resolve outstanding claims. Assist with obtaining or correcting insurance information when necessary. Document all claim follow-up activity and payer communications clearly and accurately. Generate and maintain reports necessary to ensure assigned AR is actively worked. Identify recurring denial trends or payer issues and communicate findings to Revenue Cycle leadership. Escalate complex or high-risk accounts appropriately and support other Revenue Cycle functions as needed. Perform other related duties as assigned. HOURS & LOCATION Part-time position with the

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