Enterprise RCM for complex specialty billing
athenaIDX™ revenue cycle management built for efficiency at scale
Growing RCM volumes and shifting payer expectations don’t have to slow your revenue cycle. Health systems and specialty networks using athenaIDX are achieving A/R as low as 27 days1 and 93% clean claim rates.2

Your organization deserves enterprise-scale performance and productivity
When you’re managing revenue for thousands of providers across multiple entities, specialties, and locations, complexity is inevitable. Fragmented systems, manual workarounds, costly denials, and compliance risks are all signs of RCM tools that weren’t designed for organizations like yours.
athenaIDX was made for this.
Built specifically for enterprise healthcare and trusted by over 200,000 providers3 nationwide, athenaIDX combines decades of RCM expertise with intelligent automation to give you a revenue cycle that’s predictable, resilient, and ready to grow with you.
Why leading healthcare organizations choose athenaIDX
athenaIDX simplifies medical billing complexity while fully supporting your unique operational needs. As your organization expands, your revenue cycle keeps pace, supporting new sites, payment models, and the evolving intricacies of large-scale specialty billing. Here’s what that looks like in practice:
Capture more revenue with AI-powered automation
Automation and agentic workflows handle routine A/R follow-up and prioritize the work that requires human intervention to improve clean claims, prevent denials, resolve issues faster, and reduce write-offs.
Interoperable across your provider and payer ecosystem
Easily integrate with your EMR, payer systems, patient engagement tools, and core business platforms. With over 300 APIs4 supporting third-party connections, data flows where it’s needed without disruption.
Confidence to scale without the overhead
Add specialties, open new locations, or adopt new reimbursement models while maintaining performance, compliance, and visibility without pushing more work onto your teams.
Proven in complex specialty environments
Get accurate, compliant, automated billing support for hospital and ambulatory care, including emergency medicine, anesthesia, radiology, oncology, pathology, hospitalists, surgical and imaging centers, and more.
Built for modern reimbursement models
Whether you operate under fee-for-service, value-based care, concierge models, or health plan contracts, athenaIDX supports multi-site operations, serving both providers and payers.
Enterprise-level services you can rely on
You’re backed by teams with over 25 years of experience5, offering structured onboarding, education, 24/7 support, proactive performance coaching, and business continuity planning.
athenaIDX
What smarter healthcare revenue cycle management can look like
athenaIDX delivers secure end-to-end revenue cycle management in a single platform, reducing handoffs, eliminating manual work, and improving quality and accuracy at every stage of billing.


Pre-claim readiness
Automated census ingestion and reconciliation, scheduling, registration, insurance selection, eligibility verification, payment estimation, and built-in quality assessments work to ensure accurate and complete billable encounters.
Clean claim production
Intelligent charge capture, coding, and rules engines drive clean claims from the start. Low-touch task management workflows reconcile, verify, and bill data wherever care is delivered with your staff focused only on exceptions.
Getting to balance zero
Automation helps you streamline payment processing, contract analysis, and large-scale dispute management, leveraging AI to efficiently pursue denials and accelerate reimbursements across hospitals, specialties, and payers.
Actionable analytics & insights
Real-time dashboards, predictive models, risk management, and AI tools bring your data together, surfacing denial trends, productivity gaps, and insights for optimized operations and stronger RCM performance.
The results speak for themselves:
day A/R cycles replacing your current extended cycles6
first-pass payment success within the first three months7
member lives enrolled in Financial Risk Manager8
claims and 20M remits supported in 2025 for athenaIDX's largest customer9
Extend your impact with integrated services
These fully integrated services help you get even more value from athenaIDX, strengthening your bottom line and long-term performance.
Success stories from complex health systems
Integrated delivery networks, BPOs, MSOs, and large health organizations rely on athenaIDX to improve cash flow, reduce risk, and operate more efficiently at scale.
Take the next step in enterprise RCM
More athenaIDX resources
1. The top quartile of athenaIDX ambulatory clients see AR days between 27.0 to 37 days. Based on athenaIDX data as of Nov. 2025; M125
2. The top quartile of athenaIDX ambulatory clients see a first claim payment success rate between 89.5% - 94.3% within the first three months. Based on athenaIDX data as of Nov. 2025 for % of charges paid by month 3; M132
3. 200K+ providers on athenaIDX. Based on athenaIDX data as of June 2025; M120
4. 380+ athenaIDX and Financial Risk Manager APIs. Based on athenaIDX and Financial Risk Manager data as of Dec. 2025; M118
5. 25+ years average tenure and experience for athenaIDX implementation team members. Based on athenahealth data as of Dec. 2025; M133
6. The top quartile of athenaIDX ambulatory clients see AR days between 27.0 to 37 days. Based on athenaIDX data as of Nov. 2025; M125
7. The top quartile of athenaIDX ambulatory clients see a first claim payment success rate between 89.5% - 94.3% within the first three months. Based on athenaIDX data as of Nov. 2025 for % of charges paid by month 3; M132
8. 4.9M member lives enrolled in Financial Risk Manager. Based on athenaIDX data as of Dec. 2025; M232
9. athenaIDX's largest customer submitted over 12M Claims and received over 20M Remits in 2025. Based on athenaIDX claims and remits for twelve months January 2025-December 2025; M134
10. Customers depend on EDI Services to process more than 375 million claim and remit transactions per year. Based on athenahealth data as of June 2025; M124









