Medicaid Billing Specialist

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Seattle, WA, US

Salary Range: $32.62 To $37.49 Hourly

$32.62 - $37.49 per hour

New hires may earn a salary ranging from the minimum to the midpoint of the pay scale, with education and experience taken into consideration.

• We offer a comprehensive benefits package for Full-Time employees, including Medical, Dental, Vision, PTO, and 403(b) options.
• Additionally, employees have access to supplementary benefits such as the Employee Assistance Program, a subsidized ORCA pass, and more.
• This is a full-time position with benefits.

Seattle, WA (Hybrid)

Plymouth Housing is a nonprofit organization that develops and operates permanent supportive housing for single adults who have experienced chronic homelessness. With apartment buildings throughout King County, we believe everyone deserves a safe home and the opportunity to thrive. That’s why we provide long-term housing paired with on-site services that promote stability, health, and community. Our culture is rooted in dignity, respect, and shared responsibility:
We practice hospitality, communicate with care, and collaborate across differences. We value lived experience, cultural responsiveness, and approaches grounded in harm reduction, trauma-informed practice, and resident choice. We look for people who are committed to safety, learning, and continuous improvement — and who bring steady, values-aligned service in moments that are complex or high-stress.

The Medicaid Billing Specialist manages billing activities for behavioral health services, helping ensure accurate, timely, and compliant reimbursement. This role supports Medicaid eligibility verification, claims submission, payment posting, accounts receivable reconciliation, reimbursement tracking, denial management, and billing-related reporting.

The Medicaid Billing Specialist partners with program and administrative staff, Medicaid representatives, and managed care organizations to resolve documentation and claims issues. This position is well suited for a detail-oriented professional who understands healthcare or behavioral health billing, protects confidential information, and can manage multiple deadlines in a collaborative environment.

• Prepare, review, and submit accurate and timely Medicaid claims for behavioral health services.
• Verify client Medicaid eligibility, authorizations, service coverage, documentation, and other billing requirements before submitting claims.
• Monitor claim status and resolve rejected, denied, unpaid, incomplete, or otherwise delayed claims, including follow-up and appeals with Medicaid and managed care organizations.
• Post Medicaid payments, adjustments, and other account activity accurately and promptly.
• Reconcile accounts receivable, investigate payment variances and discrepancies, track reimbursement activity, and follow up on outstanding balances.
• Communicate with program and administrative staff to resolve missing, incomplete, or inconsistent documentation.
• Maintain accurate claim, billing, payment, financial, and supporting records in accordance with organizational and regulatory requirements.
• Support compliance with federal and Washington State Medicaid requirements, behavioral health billing standards, managed care requirements, and reimbursement procedures.
• Assist with internal and external audits by providing accurate records and supporting documentation.
• Generate and analyze billing, claims, accounts receivable, and revenue reports to identify trends, errors, and opportunities to improve accuracy, timeliness,…