A/R Representative III

Job Title: A/R Representative III Location: Phoenix, AZ

Overview System One is seeking an A/R Representative III for an opportunity in Phoenix, AZ.

Responsibilities

• Apply general accounting principles to manage accounts receivable, including generating invoices and managing past-due accounts.
• Utilize ERP/software platforms such as WellSky, Waystar, or similar to perform billing, collections, and account reconciliation tasks.
• Research unapplied or misapplied payments to ensure accurate account balances.
• Monitor AR aging reports to identify collection priorities and trends related to denials or issues.
• Investigate chargebacks, short-pays, and customer disputes to resolve discrepancies.
• Communicate professionally with customers, patients, and internal teams via phone, email, or chat.
• Negotiate tactfully to collect overdue payments while maintaining positive relationships.
• Prioritize and organize high-volume AR work, ensuring accuracy and attention to detail.
• Handle sensitive financial data ethically and securely.
• Adjust to new systems, policies, or AR processes as needed, demonstrating adaptability.
• Respond promptly and professionally to customer inquiries, resolving issues efficiently.

• General accounting knowledge, including AR process and accounting principles.
• Billing & collections experience, with proficiency generating invoices and managing payments.
• Familiarity with ERP/SYSTEM platforms like WellSky, Waystar, or similar EHR/EMR systems.
• Ability to reconcile accounts and research unapplied or misapplied payments.
• Experience with AR aging reports, and monitoring collection trends.
• Preferably experience with Home Health billing (a plus).
• Strong reconciliation, investigation, and problem-solving skills.
• Excellent written and verbal communication skills.
• Negotiation and customer service skills to balance collections with relationship management.
• Attention to detail, organizational skills, and the ability to handle high-volume AR work accurately.
• Dependability, persistence, integrity, and adaptability in handling sensitive financial data and changing processes.
• Healthcare industry knowledge, including insurance billing, denials, and EOBs.
• Prompt and professional response to customer inquiries and issues.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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