Apellica press releases
Open-data releases from Apellica documenting US insurance-appeal outcomes, regulatory disclosure gaps, and the policy levers patients and journalists can verify against primary sources. All datasets are released under Creative Commons Attribution 4.0. For media inquiries: press@apellica.com.
Independent Reviewers Overturned 72 Percent of California Insurance Denials in 2025; Fewer Than 1 Percent of Denials Are Appealed, Apellica Benchmark Finds
New reproducible tabulations of CMS insurer filings, 42,710 California independent medical reviews and state external-review reports: a nine-fold spread in denial rates between insurers under the same rules, 3.2 appeals per 1,000 denials, and the treatments reviewers reverse most and least.
ResearchPublic recordsHealth insuranceOpen dataRead the release →Apellica Releases 50-State External Review Index, Documents 4.7x Spread in Insurance-Appeal Outcomes
Connecticut overturns 80 percent of denied insurance appeals at independent review; West Virginia overturns 17 percent. Only 14 of 56 U.S. jurisdictions publish a current reversal rate; 42 do not. Apellica's open dataset documents the spread.
Dataset launchPublic recordsHealth insuranceRead the release →