Medical Billing Specialist

Job Summary We are seeking a detail-oriented Medical Billing Specialist for a contract/temporary opportunity in Irvine, CA. This role is ideal for a healthcare billing professional with experience managing commercial insurance and Workers' Compensation claims in a fast-paced, compliance-focused environment. The Medical Billing Specialist will support accurate claim submission, follow-up, denial resolution, and billing documentation. This opportunity offers the chance to contribute to a collaborative team where organization, accuracy, and strong follow-through are valued. Candidates who enjoy working with supportive colleagues, improving billing outcomes, and helping maintain smooth revenue cycle operations will be a strong fit. Key Responsibilities Prepare, review, and submit clean insurance claims accurately and within required timelines. Manage billing follow-up with commercial insurance carriers and Workers' Compensation payers. Track claim status, research denials, process corrections, and support appeals as needed. Complete and manage Workers' Compensation PR-1 and PR-2 billing and documentation requirements. Maintain accurate patient billing records and ensure documentation supports claim submission. Follow healthcare billing regulations, payer requirements, and internal billing procedures. Compensation and Benefits Pay range: $25 to $30 per hour. Job type: Contract/Temporary. Location: Irvine, CA. For temporary assignments lasting 13 weeks or longer, AppleOne is pleased to offer major medical, dental, vision, 401k and any statutory sick pay where required. Required Qualifications and Skills Support insurance billing and claims management for healthcare services. Submit and resolve commercial insurance and Workers' Compensation claims. Manage PR-1 and PR-2 Workers' Compensation billing documentation. Track claim status, denials, corrections, and appeals. 2+ years of experience in insurance billing and claims management. Healthcare billing experience required. Experience working with commercial insurance payers and Workers' Compensation claims. Knowledge of Workers' Compensation PR-1 and PR-2 documentation and billing requirements. Strong attention to detail, accuracy, and organizational skills. Ability to manage multiple claims, deadlines, and follow-up tasks in a timely manner. Professional communication skills for payer follow-up and internal coordination. Preferred Qualifications Experience with behavioral health, mental health, or substance use disorder billing is highly preferred. Equal Opportunity Employer / Disabled / Protected Veterans The Know Your Rights poster is available here: The pay transparency policy is available here: AppleOne participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program. We are committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation for any part of the employment process, please contact your staffing representative who will reach out to our HR team. We also consider for employment qualified applicants regardless of criminal histories, consistent with legal requirements, including, if applicable, the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance. Pursuant to applicable state and municipal Fair Chance Laws and Ordinances, we will consider for employment-qualified applicants with arrest and conviction records, including, if applicable, the San Francisco Fair Chance Ordinance. For Los Angeles, CA applicants: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. #J-18808-Ljbffr AppleOne Employment Services