Nallas Corporation

How Health Insurers Can Cut Claims Processing Time by 40% Through Cloud Migration

In today’s healthcare ecosystem, speed matters. Policyholders expect swift claim settlements, while providers demand easier reconciliation. Yet many insurers are still shackled by legacy systems, slow adjudication pipelines, and manual handoffs. The good news: cloud migration and modernization offer a path to meaningful acceleration—often with claims processing time reductions in the 30–50% range (Source: Oracle). 

The Status Quo: Why Claims Remain Slow

Before we talk about cloud, we must understand the bottlenecks: 

  • Legacy mainframes & monolithic systems – Many insurers run core adjudication and claims logic on old systems with rigid workflows and limited scalability.
  • Manual handoffs & data silos – Claims often pass across teams with dependencies, paper trails, and manual intervention, introducing waiting times.
  • Low first-pass auto-adjudication rates – Manual adjudication is error-prone; first-pass auto approval rates are often ~70% or lower (Source: InfoTech).
  • Lengthy processing timelines – In legacy systems, claims can take up to 20 days to process (Source: InfoTech).
  • Rising administrative cost per claim – Research shows costs climbed from about $43.84 in 2022 to $57.23 in 2023 (Source: InfoTech). 

What Cloud Migration + Modernization Enables

When insurers shift their claims workflows toward cloud-native, modular, and scalable architectures, several enabling improvements happen: 

  1. Elastic compute & scaling on demand – Cloud platforms let you scale compute power dynamically (Source: EY).
  2. Decoupled, microservices-based adjudication logic – Break claims logic into services to evolve independently.
  3. Automated rule engines & orchestration – Claims approvals can be automated via engines rather than manual workflows.
  4. Real-time data access & integration – APIs and event streams enable immediate data availability.
  5. Built-in analytics, AI & fraud detection – AI models reduce manual review burden. For example, Google Cloud’s Document AI reduced processing from 30–60 minutes to near real-time (Source: Google Cloud).
  6. Continuous deployment / configuration updates – Modular services allow frequent updates without downtime. 

Proof from the Industry

• Oracle modernization points to up to 30% lower operating expenses in claims processing (Source: Oracle). 
• Insurers report ~30% faster claims processing times after cloud adoption (Source: Grid Dynamics). 
• Guidewire Cloud cases showed faster claims throughput (Source: Aspire Systems). 
• Academic studies show cloud analytics reduced claims timelines from 12.7 days to 3.8 days (Source: EA Journals). 

A Practical Modernization Roadmap: from legacy to agile

Here’s a stepwise path to get real gains without overpromising: 

Phase 

Objective 

Key Activities 

Expected Gains 

1. Assessment & modularization 

Understand the legacy claims system and surface chunks for modularization 

Decompose monolithic logic into modules; assess dependencies; plan data migration 

Reduce risk, identify “easy wins” 

2. Lift & refactor core modules 

Migrate core adjudication, eligibility, basic benefit rules 

Replatform modules to cloud (IaaS/containers), refactor logic to microservices, build APIs 

Begin parallel processing, modular updates 

3. Automate adjudication / rule engines 

Introduce business rule engines, autopilot decisions 

Introduce auto rule-driven adjudication, fallback logic, audit logs 

Higher first-pass clearance, fewer manual loops 

4. Introduce AI/ML & fraud scoring 

Augment claims paths with AI/ML for common patterns 

Integrate fraud models, anomaly detection, document processing 

Reduce manual reviews, flag edge cases 

5. Refine & optimize (FinOps, observability) 

Monitor performance, identify bottlenecks, optimize cost 

Instrument observability, auto-scale tuning, cost dashboards 

Remove hotspots, optimize throughput & cost 

Business Impact vs. Risks: What Health Insurers Should Know

Cloud migration and modernization create measurable value across the insurance ecosystem: 

  • Members / Policyholders gain faster claim payouts, shorter settlement cycles, and greater transparency. 
  • Providers / Hospitals benefit from fewer payment delays, smoother reconciliations, and stronger payer relationships. 
  • Operations / Claims Teams face less manual overhead, fewer exceptions, and more bandwidth for complex claims. 
  • Finance & Leadership see lower handling costs, predictable reserve timing, and opportunities to reinvest in digital innovation. 

For example, a payer averaging 15 days per claim can reduce that to 9 days with a 40% improvement—freeing working capital, improving provider cash cycles, and enhancing member satisfaction at scale. 

But the journey isn’t without risks: insurers must address data integrity, regulatory compliance (HIPAA, PHI, audit logs), legacy system integration, change management, and the possibility of cost overruns. Research shows many migration failures stem from underestimating reengineering effort and organizational readiness. 

Conclusion & Next Steps

The opportunity is clear: cutting claims cycle time by 30–40% is achievable, but only with the right strategy and execution partner. By embedding compliance guardrails, modularizing legacy systems, introducing AI-driven auto-adjudication, and adopting phased FinOps-led governance, insurers can realize both speed and cost control—without jeopardizing trust or compliance. 

At Nallas, we specialize in cloud transformation for health and medical insurers, helping organizations migrate securely, optimize costs, modernize operations, and unlock the next generation of digital member experiences. 

If your organization is ready to accelerate claims processing while reducing risk, reach out to Nallas today to start your cloud modernization journey. 

Author

3a5ee0899862476f9a4f3b3e77d5aa64

Megha Koli

Lead - Strategy

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