The Important Healthcare Model Most People Have Never Heard Of

InnovationHealthcareThe Important Healthcare Model Most People Have Never Heard OfBySachin H. Jain,Contributor.Forbes contributors publish independent expert analyses and insights. I cover transformation and innovation across the health care industry.Follow AuthorMay 28, 2026, 12:48am EDT--:-- / --:--This voice experience is generated by AI. Learn more.This voice experience is generated by AI. Learn more.Leeba Ruth Lessin was a giant in the healthcare industry prior to her untimely death in January 2021. She was one of the pioneers of the delegated model.CareMoreAmerican physicians are exhausted.Exhausted by prior authorization. Exhausted by endless documentation. Exhausted by fragmented care. Exhausted by the growing sense that they are being held accountable for outcomes they often do not control.Beneath all of this frustration lies a deeper structural problem: most physicians in America lack both the authority and the incentives to truly manage the total cost and quality of care for patients over time. They are blamed for costs they do not control.Measured on outcomes they often cannot influence.And trapped inside payment systems that reward activity more reliably than prevention.There is, however, one region of the country where healthcare evolved differently.For decades, Southern California quietly developed one of the most sophisticated—and least understood—healthcare delivery models in America: the delegated model of care.Though rarely discussed in national policy debates, the delegated model fundamentally reshaped the relationship between physicians, insurers, and patients across much of California. It helped produce some of the country’s most advanced population health organizations, some of the earliest large-scale experiments in value-based care, and a generation of physician operators who learned not merely how to practice medicine, but how to redesign healthcare delivery itself.The model emerged from California’s HMO ecosystem and operated on a deceptiv...