Biller

Medical Biller

Company Overview

The Willow Center is a DMHA-certified and CARF-accredited outpatient mental health and substance use treatment provider serving communities in Brownsburg and Pittsboro, Indiana. We meet our clients with compassion, evidence-based care, and genuine support, helping them build lasting stability and recovery. At The Willow Center, healing begins by ensuring every client feels seen, valued, and supported.

Position Summary

The Medical Biller is responsible for supporting the organization's revenue cycle by ensuring the accurate and timely submission, processing, and follow-up of insurance claims. This role serves as the primary billing liaison to the Revenue Cycle Manager and works closely with clinical and administrative teams to maximize reimbursement, maintain billing compliance, and provide exceptional customer service to clients and insurance payors.

Essential Responsibilities

Revenue Cycle & Claims Management

• Serve as the primary biller and billing liaison to the Revenue Cycle Manager.

• Submit insurance claims accurately and timely through CollabMD and the clearinghouse.

• Finalize charges in KIPU to ensure timely claim submission.

• Review, correct, and resubmit rejected claims.

• Research, resolve, and appeal claim denials.

• Submit Recovery Works claims through the WITTS system.

• Post insurance Electronic Remittance Advices (ERAs) accurately and promptly.

• Investigate and dispute insurance recoupments as appropriate.

• Process client statements, payment collections, and payment posting.

• Prepare billing reports and revenue summaries for leadership.

Insurance & Client Support

• Verify insurance eligibility and benefits as needed.

• Communicate with insurance payors regarding claim status and reimbursement.

• Respond to client billing inquiries, including deductibles, copays, coinsurance, balances, and insurance coverage.

• Resolve client billing concerns in a professional and timely manner.

• Track and maintain client deductibles, coinsurance, and copay information.

• Assist with preparing insurance appeal letters when appropriate.

Compliance & Administrative Duties

• Maintain accurate documentation and data entry across billing systems.

• Ensure compliance with HIPAA and all applicable privacy regulations.

• Support providers with billing compliance and documentation requirements.

• Perform other administrative duties as assigned.

This job description is not intended to be an exhaustive list of duties. Responsibilities may be modified or expanded to meet the evolving needs of the organization.

Qualifications

Required

• 25 years of medical billing experience, preferably in behavioral health, mental health, or substance use treatment.

• Knowledge of insurance billing processes, claims management, and revenue cycle operations.

• Experience with prior authorizations.

• Working knowledge of ICD-10 and CPT coding.

• Strong attention to detail with excellent organizational and problem-solving skills.

• Ability to prioritize tasks and work effectively in a fast-paced environment.

• Excellent verbal and written communication skills.

• Proficiency with Microsoft Office and electronic medical record (EMR) systems.

• Ability to work independently while collaborating effectively with a team.

Preferred

• Experience with KIPU, CollabMD, WITTS, or similar behavioral health billing platforms.

• Demonstrated history of maintaining high clean claim rates and low claim denial rates.

Additional Requirements

• Commitment to fostering a positive, collaborative, and supportive team culture.

• Self-motivated, dependable, adaptable, and eager to learn.

• Successfully pass a criminal background check and pre-employment urine drug screen.

• Current First Aid and CPR certification, or willingness to obtain certification within six months of hire.

Benefits

• 401(k)

• Flexible schedule

• Paid time off (PTO)

• Professional development assistance