Come join Overstory Health as an Accounting Specialist in Boston, MA

Overstory Health builds world-class patient-centric Partial Hospital & Intensive Outpatient (PHP & IOP) programs for those with high acuity mental health needs. Our mission is to provide more accessible and dignified behavioral health care for people when they need care the most. With a clinical model validated by McLean Hospital, we deliver comprehensive psychiatric, therapeutic, and community reintegration services to our patients. Our teams are successful when our patients achieve their goals of stability, connection, and confidence during and after the program.

ABOUT THE ROLE

We are seeking a detail-oriented and proactive Billing Operations Specialist to support our financial operations, payroll, and revenue cycle management (RCM) processes. This role will focus on overseeing billing workflows, managing vendor communications, processing payroll, and ensuring timely and accurate accounts payable activities.

The ideal candidate will serve as a key liaison between Overstory Health and our external billing vendor (Simitree) helping track claims, manage follow-ups, and ensure clean and timely reimbursement cycles. This person will also support biweekly payroll processing in coordination with our HR and leadership teams to ensure employees are paid accurately and on time.

YOU’LL BE A GOOD FIT IF YOU

• Appreciate working in a mission-driven, fast-paced healthcare environment where your work directly supports patient care.
• Are naturally organized, reliable, detail-oriented and thrive on keeping systems running smoothly.
• Enjoy the balance of detailed independent work and cross-functional collaboration.
• Take pride in accuracy and consistency — you’re the person who spots the missing $0.02 and actually enjoys fixing it.
• Communicate clearly and proactively when things need follow-up or clarification.
• Want to grow with a small but ambitious organization that values integrity, thoughtfulness, and teamwork.

QUALIFICATIONS

• Minimum 4 years of experience in accounts payable, payroll, and medical billing.
• Behavioral health (specifically Intensive Outpatient Programs or Partial Hospitalization Programs) or healthcare experience preferred.
• Working knowledge of payroll systems (e.g., Gusto, ADP, Paylocity, or similar).
• Strong understanding of health insurance billing workflows and experience managing third party billing vendors, compiling reports, etc.
• Proficiency with Excel/Google Sheets and accounting systems (QuickBooks or similar).
• Strong attention to detail, organization, and follow-through.
• Excellent communication and collaboration skills; comfortable managing external vendor relationships.
• Mission-driven and excited to contribute to a growing behavioral health organization.

RESPONSIBILITIES

Revenue Cycle Management

• Help verify insurance eligibility and benefits prior to admission, including deductibles, co-pays, and network status.
• Review financial responsibilities with patients, collect cost shares, and ensure completion of required forms.
• Run daily authorization reports, follow up with payers, and update the EHR (KIPU) for clinical and billing visibility.
• Identify and correct front-end billing errors; partner with Simitree to ensure clean, accurate claim data.
• Follow up on outstanding insurance and patient AR to ensure timely resolution and reimbursement.
• Maintain compliance with payer, state, and federal billing regulations (HIPAA, Medicaid/Medicare).
• Serve as a resource for patients and staff on billing questions, benefits, and account balances.
• Collaborate with RCM and clinical teams to streamline processes and improve data accuracy.

Accounts Payable, Payroll, and Operations

• Manage vendor invoices, reimbursements, and payments according to internal approval workflows.
• Maintain accurate financial records and reconciliations for all payables.
• Partner with HR to process biweekly payroll. Maintain payroll records and support related reporting, audits, and compliance needs.
• Support leadership with monthly billing summaries and financial reporting.
• Contribute to audit preparation, process improvement, and cross-departmental coordination.

BENEFITS

• Competitive base compensation and performance incentives
• Paid time off (PTO)
• Medical insurance coverage (health, dental, vision) with no waiting period for enrollment
• Short and long-term disability insurance at no cost to you
• 401K match up to 4% of income
• License renewal reimbursement (if applicable)
• Supplemental benefits

Mission: Overstory Health delivers compassionate and connected care to guide individuals through the most challenging times in their lives, one group at a time.

Vision: Transform Behavioral Healthcare to empower every individual and their community to heal, connect and thrive.

Values:

• Dignity
• Collaboration
• Connection
• Purposeful Innovation
• Caring Accountability