Part-Time ABA Billing Specialist (CentralReach / AHCCCS)
Creative Therapy Solution • Part Time
Posted on Fri, Jun 5, 2026
Part-Time ABA Billing Specialist
(CentralReach / AHCCCS)
Company
Creative Therapy Solution (CTS) is an Arizona-based ABA practice supporting neurodivergent learners and their families. We are seeking an experienced ABA Billing Specialist to support our revenue cycle and ensure accurate, timely insurance billing.This role requires direct experience with CentralReach, Waystar, and AHCCCS (Arizona Medicaid). We are looking for someone who understands ABA billing and can independently manage benefit checks, authorizations, claims, and accounts receivable.
Responsibilities
- Insurance Verification and Benefit Checks
- Verify insurance benefits for new ABA clients (commercial and AHCCCS)
- Conduct benefit checks and document coverage details in CentralReach
- Confirm AHCCCS eligibility and payer assignment through Availity
- Authorizations
- Submit and track authorization requests with AHCCCS and commercial payers
- Monitor authorization expiration dates and coordinate timely renewals
- Coordinate with clinical staff to align services with authorized units
- Claims and Billing
- Submit claims through Waystar
- Ensure accurate billing of ABA CPT codes (97151, 97153, 97155, 97156, 97157, 97158)
- Identify and resolve claim rejections and submission errors
- Ensure clean claims prior to submission
- Accounts Receivable
- Perform A/R follow-up on unpaid claims
- Investigate denials and submit appeals when necessary
- Maintain accurate A/R records and report billing trends
- Invoice and collect patient responsibility
- Compliance and Coordination of Benefits
- Ensure compliance with AHCCCS and commercial payer billing requirements
- Manage the coordination of benefits (COB) when clients have multiple insurance plans
- Maintain billing compliance with payer policies and HIPAA requirements
- Minimum 2 years of ABA billing experience
- Experience using CentralReach (claims, authorizations, and payment posting)
- Experience submitting claims through Waystar
- Experience using Availity for benefit checks and authorization submissions
- Knowledge of AHCCCS / Arizona Medicaid billing requirements
- Experience with benefit verification, authorizations, and A/R management
- Familiarity with ABA CPT codes (97151 through 97158)
- Strong attention to detail and organizational skills
- Ability to work independently and manage deadlines without daily supervision
- Must pass applicable background check
- Ability to manage sensitive and confidential information (HIPAA)
- Reliable internet connection (remote/hybrid role)
- Experience billing Arizona payers: Mercy Care, BCBS of Arizona, Aetna, or UnitedHealthcare
- Experience working in an ABA or behavioral health practice
- Strong denial management and appeals experience
- Experience transitioning patient billing workflows between systems
- Schedule Monday – Friday, 9:00 AM – 3:00 PM (30 hours per week)
- Compensation $25 – $32 per hour, depending on experience
- Location: Remote or hybrid (Arizona preferred)
- Job Type Part-time, hourly, non-exempt
- Benefits
- Flexible schedule within set hours
- Work laptop provided
- Paid sick time
- Collaborative, neuroaffirming team culture