Community health worker programs can offset program costs through reduced utilization.

California’s Whole Person Care pilot can inform cross-sector initiatives to improve care for Medicaid enrollees with complex health and social needs.

Multisector partnerships that include Area Agencies on Aging may reduce health care use and spending.

Adults with complex, high-cost health care needs are more likely to have experienced social adversity in childhood and adulthood.

Among high-cost Medicare enrollees, those who are seriously ill, frail, and/or had a serious mental illness experience the most potentially preventable spending.

Complex care management program for high-need, high-cost Medicaid patients demonstrates substantially lower spending and inpatient utilization.

Individuals experiencing homelessness had health care spending 2.5 times higher than the comparison Medicaid population.

A community health worker program yielded an annual return of $2.47 for every dollar invested by a Medicaid payer.

Virginia’s comprehensive Medicaid reform for substance use treatment services led to an increase in outpatient and community-based treatment and a decrease in emergency department and inpatient use among beneficiaries with opioid use disorder.

Lessons from Los Angeles County’s Housing for Health program to reduce homelessness.

Medicaid support for stable housing may reduce avoidable health care use and spending.

Randomized controlled trial of a care management intervention offers important lessons for the field of complex care.

Integrating medical, behavioral health, and social services data tells a fuller story of frequent emergency department users’ service utilization and may identify candidates for care coordination.

A unique cross-sector partnership involving health care, police, and emergency services improved health care utilization in this rural health system pilot.

When identifying patients with complex health needs for interventions, algorithms that rely on cost data as a proxy for health status may lead to under-identification of Black patients.

Community approaches to reducing care utilization and costs.

A permanent supportive housing program did not improve most measures related to physical health for individuals experiencing chronic homelessness, but did improve access to and trust in primary care.

Participation in syringe service programs can support motivation to change substance use behaviors and increase treatment participation in a rural setting.

An initiative to distribute tablets to high-need veterans successfully reached individuals with barriers to health care access.

An interdisciplinary, hospital-based addiction medicine consultation team improved substance use disorder treatment engagement after hospitalization.