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Health Plan Improves Risk Adjustment and Star Ratings with Population Health Analytics

About the Client

The client was a Medicare Advantage health plan serving approximately 450,000 members. With upcoming V28 Risk Adjustment Factor (RAF) changes, leadership needed better visibility into member risk profiles, documentation gaps, and provider performance. Existing reporting systems were fragmented and retrospective, limiting proactive intervention.

To strengthen risk adjustment accuracy and improve quality scores, the plan partnered with Zymr to build a modern population health analytics platform.

Key Outcomes

12% Improvement in RAF Scores
Star Ratings Increased from 3.7 to 4.3

Business Challenges

Data was spread across more than 185 source systems, making risk stratification slow and incomplete. HCC gaps were identified too late to influence coding or care delivery. Provider outreach efforts were manual and poorly coordinated. Leadership needed a scalable analytics foundation capable of supporting RAF optimization, quality improvement, and regulatory reporting.

Business Impacts / Key Results Achieved

Zymr helped the health plan move from retrospective reporting to proactive population health management. By combining scalable analytics with ML-driven risk insights, the organization improved financial performance, quality ratings, and regulatory readiness while strengthening provider collaboration.

  • 12% Improvement in RAF Scores
  • Star Ratings Increased from 3.7 to 4.3
  • Earlier Risk Identification Across Member Population
  • Improved Provider Engagement and Documentation Quality
  • Stronger Readiness for V28 Reporting Changes

Strategy and Solutions

Zymr designed and implemented a cloud-native population health and risk analytics platform.

  • Enterprise Data Lakehouse Architecture
    Consolidated data from 185 clinical, claims, and operational sources.
  • ML-Based Risk Stratification and RAF Optimization
    Identified high-risk members and coding gaps earlier in the care cycle.
  • HCC Recapture and Documentation Insights
    Enabled targeted provider interventions.
  • Provider Outreach Orchestration
    Coordinated actions across care teams and practices.
  • Real-Time Analytics and Dashboards
    Delivered visibility into risk scores, performance, and quality metrics.

Regulatory-Ready Reporting Framework
Supported CMS compliance and audit requirements.

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