Publications

Waiving a $50 copay tripled patient uptake of AI eye screening. Patients still wanted a human to confirm the result.

Transitions of care from the emergency department (ED) represent a period of heightened vulnerability for older adults, driven by medical complexity, functional impairment, and social factors.

A new Johns Hopkins analysis of 205,896 branded medication fills offers the first national look inside the prior authorization process — tracking how long patients wait, who gets approved, and who bears the cost.

The Medicare Advantage Star Ratings program has operated for decades and directs billions of dollars in quality bonus payments, yet little is known about which measures have driven observed performance improvement over time.

The authors argue that Maryland's next phase of payment reform must move beyond hospital global budgets to engage frontline clinicians in population health, outlining priorities for the new AHEAD model including population-based payments, expanded incentives, and regulatory modernization.

A study of Medicare Part D beneficiaries found that nearly 1 in 7 new users of diabetes-indicated GLP-1 medications in early 2023 had no evidence of diabetes, up from 1.3% in 2019. The findings highlight the budgetary implications of off-label GLP-1 prescribing as policymakers consider expanding Medicare coverage for weight management.

A nationally representative study of nearly 30,000 U.S. adults found that medical debt was consistently associated with deferred dental, medical, and mental health care, regardless of insurance coverage. More than half of adults with medical debt put off dental care, one in three delayed medical care, and one in five postponed mental health treatment. Uninsured adults with medical debt were significantly more likely to defer medical care than those with commercial insurance, but the pattern of deferred care held across all insurance categories.

Family caregivers play a key role in meeting the care needs of persons of all ages; the majority are employed. Caregiving can negatively affect employment and workplace productivity, but a lack of consensus regarding feasible, high-impact strategies to ameliorate such consequences exists.

Analysis by HBHI researchers finds that 1 in 10 Medicare Advantage enrollees, nearly 3 million people, will be forced to find new coverage in 2026 as insurers exit markets at the highest rate in two decades.

We study how reduced scarcity affects racial disparities in liver transplantation.