Cash Posting Specialist

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale. Join us to start Caring. Connecting. Growing together.

The Cash Posting Specialist is responsible for accurately posting and reconciling all incoming payments to patient accounts, including insurance remittances, patient payments, and electronic fund transfers. This role ensures timely and precise processing of medical Explanation of Benefits (EOBs), Electronic Remittance Advice (ERAs), and check information to support accurate accounts receivable (AR) reporting and financial operations.

The ideal candidate has solid attention to detail, a background in medical billing or healthcare revenue cycle operations, and the ability to process high volumes of transactions with accuracy and efficiency.

Primary Responsibilities:

• Payment Posting & Reconciliation
  • Accurately post insurance and patient payments, adjustments, and denials into the practice management or billing system
  • Reconcile daily cash remittances with posted balances to ensure completeness and accuracy
  • Match EOBs, ERAs (835 files), and check stubs with payment batches for proper allocation
  • Validate payer codes, contractual adjustments, and denial reasons based on remittance guidance
• Account Research & Resolution
  • Investigate and resolve payment discrepancies, unidentified payments, or unmatched remittances
  • Collaborate with AR teams to correct misapplied or incomplete payments
  • Identify trends in payment issues and escalate concerns to management as needed
• Documentation & Compliance
  • Maintain accurate and organized records of payment batches and reconciliation reports
  • Ensure all cash posting activities comply with HIPAA, payer regulations, and internal policies
  • Document posting notes clearly for audit trails and team communication
• Collaboration & Communication
  • Communicate with internal teams such as billing, AR follow-up, collections, and customer service regarding payment variances
  • Participate in process improvement initiatives to enhance posting accuracy and workflow efficiency
• Systems & Tools
  • Operate billing systems, clearinghouse portals, bank lockbox platforms, and electronic remittance tools
  • Use spreadsheets to maintain logs, reconciliation data, and upload templates as needed
• Comply with the terms and conditions of the employment contract, company policies and procedures, and any and all directives (such as, but not limited to, transfer and/or re-assignment to different work locations, change in teams and/or work shifts, policies in regards to flexibility of work benefits and/or work environment, alternative work arrangements, and other decisions that may arise due to the changing business environment). The Company may adopt, vary or rescind these policies and directives in its absolute discretion and without any limitation (implied or otherwise) on its ability to do so

Required Qualifications:

• High school diploma or equivalent; associate's degree preferred
• 1+ years of experience in medical billing, cash posting, accounts receivable, or healthcare revenue cycle
• Experience with medical billing or EHR systems (Epic, Cerner, Athena, eClinicalWorks, Meditech, etc.)
• Working knowledge of EOBs, ERAs/835 files, and payer remittance formats
• Solid numerical accuracy and attention to detail
• Proficiency with Microsoft Excel or similar spreadsheet tools
• Proven ability to process high-volume transactions with speed and accuracy

Preferred Qualifications:

• Experience with bank lockbox processing or automated payment posting systems
• Knowledge of medical terminology and the revenue cycle
• Familiarity with Medicare, Medicaid, and commercial insurance payer rules

Core Competencies:

• Detail-oriented and highly accurate
• Solid problem-solving and investigative skills
• Excellent organization and time management
• Ability to work independently or in a team environment
• Clear written and verbal communication

Physical Requirements:

• Ability to sit for extended periods while performing computer-based work
• Light lifting of files or documents as needed

At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalized groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission.