Champion Health Case Study

A Five-Year Actuarial Review of CHAMP Integration and Its Impact on Major Medical Claims

Executive Summary

$1,812

Average Annual Reduction

Per employee in major medical claims versus non-CHAMP groups

14.6%

Claim Cost Variance

To 17.3% reduction in overall claim costs

5 Years

Study Period

Comprehensive analysis from 2019–2024

This actuarial analysis evaluates the impact of integrating the Champion Health CHAMP Program alongside employer-sponsored major medical plans. CHAMP offloads non-catastrophic claims—primary care, urgent care, prescription, behavioral health, and preventive services—from major medical loss runs, resulting in improved renewal outcomes and reduced volatility.

The Challenge

Market Pressures

Medical inflation and utilization trend growth have consistently exerted upward pressure on employer-sponsored health plan renewals. Employers in the 25 to 500 life range face particular challenges.

  • Low credibility due to smaller group size
  • Disproportionate renewal impacts from claim frequency spikes
  • High volatility in year-over-year costs

The CHAMP Solution

The CHAMP program was designed to mitigate volatility by absorbing high-frequency, low-severity claims through a supplemental benefit model that diverts utilization from the carrier's loss experience.

This study quantifies the differential in per-employee annual claim costs and evaluates underwriting and renewal impact over five years.

Study Methodology

142 Employer Groups

67 with CHAMP integration; 75 without CHAMP as control groups

181 Average Group Size

Employees per employer group studied

5 Plan Years

Data spanning 2019–2024 for comprehensive analysis

Claim data were normalized to Per Member Per Month (PMPM) and trended at 4.8% annually to reflect medical inflation. Credibility adjustments were applied for groups under 200 employees using a 0.72 weighting factor. Each CHAMP group was matched with a non-CHAMP control of similar demographics, industry, and benefit structure.

A Bayesian credibility adjustment smoothed inter-year fluctuations. Claim frequency and severity were modeled using a compound Poisson-Gamma framework to separate random variation from trend suppression.

Aggregate Claim Differential

The data reveals significant cost advantages for employers who integrated CHAMP with their major medical plans across all key metrics.

13%

Reduction in claims frequency per 1,000 employees

4.5%

Decrease in average claims severity

16.9%

Lower normalized PMPM costs

Claim Type Suppression Analysis

CHAMP's coverage scope—preventive, urgent, primary, behavioral, and pharmacy—captures 60–70% of total claim frequency. By absorbing these costs, CHAMP reduces loss run exposure and stabilizes renewal performance.

Real-World Impact: Three Case Examples

1

Loss Ratio Transformation

Major Medical Loss Ratio dropped from 92.4% pre-CHAMP to 73.8% post-CHAMP. Renewal adjustment improved by 18.3 percentage points: -11.5% versus +6.8% trend in control group.

2

Urgent Care Utilization

Annual claims reduced by $1,912 per employee. Urgent care utilization dropped 26% year over year after CHAMP integration. Renewal trend decreased from 9.2% to 3.1%.

3

Volatility Stabilization

Historically volatile group stabilized within ±4% renewal variance. Improved stop-loss pooling efficiency observed. Predictable cost structure achieved.

Underwriting and Renewal Advantages

Measurable Improvements

CHAMP shifts low-severity claims out of the carrier's risk pool, lowering claim frequency and improving renewal predictability for employers under 300 lives.

8.4-Point Loss Ratio Improvement

The $1,812 per employee reduction translates directly to improved loss ratios

6–9% Renewal Advantage

Depending on plan structure, employers see significant renewal improvements

Enhanced Predictability

Reduced volatility creates more stable, forecastable healthcare costs

Actuarial Interpretation

The observed trend aligns with expected outcomes of claim-diversion programs targeting first-dollar utilization. The persistent $1,812 per employee annual reduction across five years provides strong actuarial credibility (p < 0.01).

1

Claim Diversion

CHAMP captures 60–70% of total claim frequency through comprehensive coverage

2

Loss Run Reduction

High-frequency, low-severity claims absorbed outside carrier's risk pool

3

Renewal Stabilization

Improved predictability and credibility in underwriting models

4

Sustained Performance

Consistent results maintained across five-year study period

Statistical significance achieved with p < 0.01 and R² = 0.83 correlation, demonstrating robust and reliable outcomes across diverse employer groups and market conditions.

Conclusion

Lower Claim Frequency

Consistent reduction in high-frequency, low-severity claims across all categories

Improved Loss Ratios

Measurable improvements in underwriting performance and carrier relationships

Favorable Renewals

6–9% renewal advantage versus non-CHAMP control groups

Employers integrating CHAMP with major medical plans consistently demonstrate lower claim frequency, improved loss ratios, and favorable renewals. CHAMP provides measurable improvements in predictability, credibility, and overall plan stability.

The five-year actuarial analysis confirms that CHAMP delivers sustained value through strategic claim diversion, resulting in an average annual reduction of $1,812 per employee and creating a more stable, predictable healthcare cost environment for mid-market employers.