HealthPlus: 70% Call Reduction with RAG Self-Service Portal
How health insurance company HealthPlus reduced call center volume by 70% by implementing a RAG-powered self-service portal for members.
Company Overview
HealthPlus is a French mutual health insurance company (mutuelle) serving 180,000 members across France. With comprehensive health, dental, and optical coverage, they handle thousands of member inquiries daily about coverage, claims, and reimbursements.
The Challenge
Call Center Overload
- 8,500 calls per week to the member service center
- Average wait time: 12 minutes (peak times: 25+ minutes)
- Call abandonment rate: 23%
- Member satisfaction score: 3.2/5 (below industry average)
Repetitive Inquiries
Analysis of call patterns revealed:
| Question Type | % of Calls | Complexity |
|---|---|---|
| Coverage verification | 35% | Low |
| Reimbursement status | 25% | Low |
| How to submit claims | 15% | Low |
| Finding in-network providers | 12% | Medium |
| Policy changes | 8% | Medium |
| Complex claims issues | 5% | High |
75% of calls were low-complexity questions that could be answered from existing documentation.
The Documentation Problem
- 200+ page policy documents
- 50+ FAQ articles on the website
- Members couldn't find or understand the information
- Medical terminology confused non-expert members
The Solution: RAG Member Portal
HealthPlus deployed a RAG-powered assistant accessible via:
- Member portal (web)
- Mobile app
- WhatsApp integration
Knowledge Base
- All policy documents and coverage guides
- Claims procedures and forms
- Network provider directories
- FAQ and help articles
- Regulatory information (Sécurité Sociale integration)
Key Capabilities
Coverage Questions
- "Am I covered for MRI scans?"
- "What's my dental coverage for crowns?"
- "How much will I be reimbursed for glasses?"
Claims Assistance
- "How do I submit a claim for a specialist visit?"
- "What documents do I need for optical reimbursement?"
- "Why was my claim partially rejected?"
Member Services
- "How do I add my spouse to my policy?"
- "Can I upgrade my coverage?"
- "Where can I find in-network dentists near me?"
Implementation
Phase 1: Knowledge Preparation (Weeks 1-2)
- Simplified policy documents for plain language
- Created Q&A pairs from common call transcripts
- Built coverage calculator logic
Phase 2: RAG Configuration (Weeks 3-4)
- French-optimized embeddings
- Medical terminology handling
- Personalization based on member's specific plan
Phase 3: Multi-Channel Deployment (Weeks 5-8)
- Web portal integration with SSO
- Mobile app widget
- WhatsApp Business API integration
- Human handoff for complex cases
Results After 8 Months
Call Volume Reduction
| Metric | Before | After | Change |
|---|---|---|---|
| Weekly calls | 8,500 | 2,550 | -70% |
| Wait time | 12 min | 3 min | -75% |
| Abandonment rate | 23% | 5% | -78% |
Member Engagement
| Metric | Before | After | Change |
|---|---|---|---|
| Portal logins/month | 45,000 | 112,000 | +149% |
| Self-service resolution | 15% | 72% | +380% |
| Mobile app usage | 22% | 58% | +164% |
Satisfaction Scores
| Metric | Before | After | Change |
|---|---|---|---|
| Member satisfaction | 3.2/5 | 4.5/5 | +41% |
| NPS | 18 | 47 | +29 points |
| First contact resolution | 45% | 89% | +98% |
Financial Impact
- Call center cost reduction: €750,000/year
- Reduced staffing needs: 12 agents → 5 agents
- Additional savings from digital claims: €140,000/year
- Total annual savings: €890,000
Sample Interactions
Coverage Verification
Member: "My doctor recommended an MRI for my knee. Am I covered and how much will it cost me?"
Assistant: "Based on your HealthPlus Confort plan, MRI scans are covered at 100% of the Sécurité Sociale base rate plus an additional €50 from your mutuelle coverage.
For a knee MRI (code NZQK001):
- SS base: €69
- Your mutuelle: additional €50
- Your coverage: up to €119
Typical MRI costs: €150-300. Your out-of-pocket: approximately €30-180 depending on the facility.
Would you like me to show you in-network radiology centers near you?"
Claims Status with Personalization
Member: "What's happening with my ophthalmologist claim from last week?"
Assistant: "I found your claim #2025-0892 submitted on January 15th:
Claim Details:
- Provider: Dr. Martin (ophthalmologist)
- Amount: €85.00
- Submitted: January 15, 2025
Status: Processing complete ✓
- SS reimbursement: €20.90 (pending SS transfer)
- HealthPlus reimbursement: €45.10 (paid January 18)
- Total reimbursement: €66.00
The €45.10 was transferred to your bank account ending in 4521 on January 18th. The SS portion will arrive within 5 business days.
Is there anything else about this claim?"
Key Success Factors
1. Plain Language Rewriting
Policy documents were rewritten from legal language to member-friendly explanations:
Before: "Le remboursement s'effectue sur la base du tarif de convention majoré du complément mutualiste prévu au tableau des garanties."
After: "We reimburse based on the Sécurité Sociale rate plus the extra amount shown in your coverage table."
2. Personalized Responses
The assistant accesses member-specific information:
- Their exact plan and coverage levels
- Claim history
- Remaining annual limits
- Preferred providers
3. Proactive Guidance
Instead of just answering, the assistant guides:
- Suggests relevant forms
- Explains next steps
- Offers to connect to human support for complex cases
4. Multi-Channel Consistency
Same knowledge base powers all channels:
- Web portal
- Mobile app
- (Future: voice assistant)
Technical Implementation
RAG Configuration
Documents: 500+ (policies, FAQs, procedures)
Embeddings: Multilingual with French optimization
Personalization: Member plan and history context
Retrieval: Hybrid search with coverage filtering
LLM: GPT-4 Turbo (French system prompt)
Temperature: 0.2 (factual accuracy critical)
Security & Compliance
- GDPR and French health data regulations (HDS)
- End-to-end encryption
- SOC 2 Type II compliance
- Data residency in France
- No health data used for training
Integration
- Core insurance system (real-time coverage data)
- Claims management system
- CRM for escalation and history
- SS (Sécurité Sociale) data feeds
ROI Analysis
Investment
- Ailog Enterprise: €500/month
- Integration development: €25,000 (one-time)
- Knowledge base preparation: €10,000 (one-time)
- Training and change management: €5,000 (one-time)
Annual Returns
- Call center savings: €750,000
- Digital claims efficiency: €140,000
- Improved retention (reduced churn): €50,000 (estimated)
ROI: 20x in first year (after integration costs) Payback period: 2 months
Member Testimonials
"I used to dread calling my mutuelle—always waiting forever. Now I get answers instantly on my phone, even at midnight when I was worried about my son's hospital visit."
— Sophie M., HealthPlus member
"Finally, I can understand my coverage without needing a law degree. The chatbot explains everything in normal French."
— Jean-Pierre L., HealthPlus member
Lessons Learned
- Personalization is essential - Generic answers frustrate members; they want THEIR coverage information
- Plain language wins - Rewrote all policy content in accessible French
- WhatsApp adoption exceeded expectations - 40% of self-service now via WhatsApp
- Human escalation must be seamless - One click to live agent with full context
Future Roadmap
HealthPlus is expanding:
- Voice assistant integration (phone IVR)
- Proactive health reminders
- Claims submission via chat (photo upload)
- Provider recommendation engine
Conclusion
For insurance companies, RAG self-service isn't just cost reduction—it's member experience transformation. HealthPlus's 70% call reduction and 41% satisfaction improvement show that members prefer instant, accurate self-service over waiting on hold.
The key is personalization: members don't want generic FAQ answers. They want to know about THEIR coverage, THEIR claims, THEIR options.
Ready to transform your member experience? Explore Ailog for insurance with healthcare-compliant infrastructure.
This case study is based on aggregated data from insurance implementations. Company name and some figures have been adjusted for confidentiality.
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