Articles

From our team

Research and commentary from Aletheia Health on claim denials, billing errors, and what they cost patients and practices.

Peer-reviewed publications

Research by our team in peer-reviewed journals. Aletheia Health authors are shown in bold.

JAMA Network Open ·

Role of Chronic Conditions in Out-of-Pocket Costs for Preventive Care in the US

By Allan Tran, Audrey Laporte, Eric Nauenberg, and Alex Hoagland

Among more than 1.2 million privately insured patients, people with chronic conditions were more likely to be charged for preventive care the Affordable Care Act makes free, and paid about 20% more for it, pointing to gaps in how insurers apply the cost-sharing exemption.

Read in JAMA Network Open(opens in a new tab)9(1):e2553157 · doi:10.1001/jamanetworkopen.2025.53157

Health Affairs ·

Claim Denials: Low-Income Patients From Disadvantaged Racial And Ethnic Groups Experienced The Largest Burdens

By Michal Horný, Olivia Yu, and Alex Hoagland

National remittance data show that patients with low household incomes and from historically disadvantaged racial and ethnic groups carry the heaviest burden from claim denials, and that patients earning under $50,000 a year are the least likely to have a denied claim contested.

Read in Health Affairs(opens in a new tab)44(6):707-715 · doi:10.1377/hlthaff.2024.01277

American Journal of Preventive Medicine ·

Inequities in Unexpected Cost-Sharing for Preventive Care in the United States

By Alex Hoagland, Olivia Yu, and Michal Horný

Across 1.7 million preventive care visits, 40% left patients with out-of-pocket costs, and both the chance and the size of those costs varied by education, income, race and ethnicity.

Read in American Journal of Preventive Medicine(opens in a new tab)68(1):5-11 · doi:10.1016/j.amepre.2024.09.011

JAMA Network Open ·

Social Determinants of Health and Insurance Claim Denials for Preventive Care

By Alex Hoagland, Olivia Yu, and Michal Horný

Among 1.5 million patients seeking preventive care, insurance denials were more common for lower-income, less educated, Asian, Hispanic and Black patients. The lowest-income patients had 43% higher odds of a denial than the highest-income patients.

Read in JAMA Network Open(opens in a new tab)7(9):e2433316 · doi:10.1001/jamanetworkopen.2024.33316

Preventive Medicine ·

Out-of-pocket costs for preventive care persist almost a decade after the Affordable Care Act

By Alex Hoagland and Paul Shafer

In 2018, Americans with employer coverage were still charged between $75 million and $219 million for preventive services that should have been free, most often for women’s services and basic screenings, and most often in the South and in rural areas.

Read in Preventive Medicine(opens in a new tab)150:106690 · doi:10.1016/j.ypmed.2021.106690