Sources
1 KFF, Claims Denials and Appeals in ACA Marketplace Plans in 2023, January 2025, updated March 2026. HealthCare.gov insurers denied 20% of in-network claims; fewer than 1% of denied claims were appealed; insurers upheld 56% of appeals.
2 KFF, Medicare Advantage Insurers Made Nearly 53 Million Prior Authorization Determinations in 2024, January 2026. 11.5% of denials were appealed, and 80.7% of appeals overturned the initial denial.
3 Synchrony Financial, Form 10-K for fiscal 2025. Health & Wellness, which includes CareCredit, reported $15.7 billion in purchase volume across more than 290,000 locations; dental accounted for 49% of its interest and fees on loans.
4 Consumer Financial Protection Bureau, Medical Credit Cards and Financing Plans, May 2023.
5 Experian Health, State of Claims 2025, September 2025. 41% of providers face denial rates of 10% or higher; missing or inaccurate data was the leading cause cited (50%).