Accounts Receivable Representative

System One; Phoenix (AZ); Hybrid; USD 25,000 - 33,000; Part time

Benefits offered by this job

Medical coverage

Dental coverage

Vision coverage

Life insurance

401(k)

Job summary

System One in Phoenix, AZ is seeking an Accounts Receivable Representative III on a contract basis. The role combines on-site collaboration with remote work, totaling a hybrid schedule and a 40-hour week.

You will leverage 3-5 years of healthcare payment posting experience to post payments, interpret EOBs, EFTs, ERAs, COB, and 835 files, and resolve denials. Proficiency in Excel and EMR systems like Interactant or WellSky, strong attention to detail, and accurate reconciliation are essential to

Qualifications

• 3-5 years of experience in healthcare payment posting.
• Deep understanding of payer rules and medical billing systems.
• Strong attention to detail and accuracy in data entry and reconciliation.
• Ability to break down and allocate lump sum payments across multiple accounts.
• Excellent analytical skills in interpreting remits and validating applications.
• Proficient in Excel and data reconciliation tools.
• Experience with payer portals, clearinghouses, and lockbox files.
• Familiarity with automated vs. manual posting environments and escalation procedures.
• Self-starter with problem-solving skills and the ability to work under pressure.
• Strong ownership and accountability for assigned tasks.
• Adaptable in a fast-paced, high-volume setting.

Responsibilities

• Post payments and manage revenue cycle activities with accuracy.
• Interpret EOBs, EFTs, ERAs, COB, and 835 files.
• Understand payer rules for Medicare, Medicaid, Commercial, and WC.
• Resolve denials and reconcile unapplied payments.
• Collaborate with billers, collectors, and payers to improve processes.
• Follow and improve internal SOPs and workflows.
• Learn EMR systems and related processes quickly.

Skills

Healthcare payment posting

Remittance interpretation

Payer rules knowledge

Data reconciliation

Excel proficiency

Communication skills

Tools

Interactant (HCS) / WellSky

EMR systems

Payer portals / clearinghouses

Lockbox files

Job description

Job Title: Accounts Receivable Representative: III
Location: Phoenix, AZ
Type: Contract
Compensation: $18.00 - $24.00
Work Model: Hybrid – onsite and remote
Hours: 40.0

Responsibilities

• Demonstrate 3-5 years of experience in healthcare payment posting, including manual and electronic processes
• Exhibit strong knowledge of EOBs, EFTs, ERAs, COB, and 835 file interpretation
• Understand payer rules for Medicare, Medicaid, Commercial, and Workers' Compensation
• Manage contractual adjustments, proration logic, and secondary/tertiary payment rules
• Resolve complex denials and reconcile unapplied payments with accuracy
• Apply accounting principles related to revenue cycle and payment reconciliation
• Work proficiently within payment posting systems such as Interactant (HCS), WellSky, or similar EMRs
• Research payment variances and resolve discrepancies independently
• Collaborate effectively with billers, collectors, and payers through strong communication skills
• Follow and improve internal SOPs and workflows
• Quickly learn and retain knowledge of EMR systems and related processes

Requirements

• 3-5 years of experience in healthcare payment posting
• Deep understanding of payer rules and medical billing systems
• Strong attention to detail and accuracy in data entry and reconciliation
• Ability to break down and allocate lump sum payments across multiple accounts
• Excellent analytical skills in interpreting remits and validating applications
• Proficient in Excel and data reconciliation tools
• Experience with payer portals, clearinghouses, and lockbox files
• Familiarity with automated vs. manual posting environments and escalation procedures
• Self-starter with problem-solving skills and the ability to work under pressure
• Strong ownership and accountability for assigned tasks
• Adaptable in a fast-paced, high-volume setting

Preferred (Not Required)

• Experience in rehab, home health, or residential settings
• Exposure to payer audits and recoupments
• Basic understanding of contract modeling or reimbursement analytics

System One, and its subsidiaries including 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.

Ref: #431-IT Tampa