Zirui Song, MD, PhD

Use of low-value care services during COVID-19 exhibits substantial heterogeneity but, on average, shows declines similar to the use of high-value services; low-value care use lags behind high-value care use in the rebound phase.

Physician groups have begun designing alternative payment models for their own specialties, proposing that CMS include financial risk, funding for new technologies, and legal waivers.

Is specialist “gatekeeping” in modern health maintenance organization (HMO) insurance associated with differences in outpatient care? The study finds that HMO gatekeeping may meaningfully reduce specialist utilization.

Allowing the appropriateness of services to play a more meaningful role in the design of physician and patient incentives may improve the value of care.

Mobile health clinics represent promising vehicles through which high quality, cost-effective care can be delivered to patients, especially in underserved areas.

As delivery system reforms increasingly rely on a strong primary care workforce, policies are needed to grow and strengthen this workforce.