Thyme Care Appoints Dr. Brad Diephuis as CEO, Co-Founder Robin Shah Appointed Executive Chairman
Published by
HIT Consultant
on
Summary:
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HIT Consultant reported that Brad Diephuis, MD, will become chief executive officer of Thyme Care on September 1, 2026, with co-founder Robin Shah moving to executive chairman and Marcia Macphearson joining as chief operating officer.
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The article highlights Diephuis's background as a primary care physician, cancer survivor, and former senior advisor at the Center for Medicare and Medicaid Innovation, where he helped design total cost of care models including ACO REACH.
Engineering Downstream Inpatient Diversion
The underlying architecture driving Thyme Care’s market expansion moves completely away from generic care navigation apps to enforce a rigid, clinically embedded model of whole-patient oversight. Founded in 2020 by Shah and prominent medical oncologist Bobby Green, M.D. (who continues as president and chief medical officer), the company operates by establishing full financial accountability across all 50 states.
Rather than functioning as an external, distracting vendor layer that causes provider friction, Thyme Care integrates its dedicated clinical teams and purpose-built software platform straight into existing practice workflows.
This complete integration allows Thyme Care to intercept acute complications in the critical moments between standard office appointments. The operational validation of this model is supported by strict, real-world data released in the company’s annual Impact Report today:
- Inpatient Reduction Moat: The platform achieves a verified 16% reduction in all-cause inpatient utilization for one national Medicare Advantage client’s eligible member cohort.
- Avoidable Readmission Prevention: For members completing Thyme Care’s specialized readmission prevention program, the technology drives a 30% drop in avoidable readmissions.
- Total Cost of Care Compression: By aligning treatment choice with clinical necessity, the infrastructure captures an immediate 10% decrease in total cost of care for partnering health plans.
“For too long, the responsibility for what happens in cancer care has been spread across so many parties that no one is connecting the dots for the person living through it,” stated Dr. Brad Diephuis, incoming CEO. “As CEO, I am committed to making sure that every patient, clinician, and health plan we work with experiences a system that finally moves together.”