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Season 1 • Episode 4

The AI Ripple | Radiology Rewired

Featured by:

dr-vivek-singh
Vivek Singh, MD

Neuroradiologist, MUSC

dr-samir-kumar
Samir Kumar, MD, MBA,CPE, FACHE

Chief Medical Officer, Advocate Health

February 9, 2026
Listen on:
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Spotify
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Apple Podcasts

Episode overview

In this episode of Radiology Rewired, Dr. Vivek Singh sits down with Dr. Samir Kumar, chief medical officer and former nephrologist, to explore why clinical AI succeeds in some health systems and fails to deliver value in others.

The conversation takes a system-level view of AI adoption, examining how leadership alignment, cross-specialty integration, and measurable return on investment determine whether AI meaningfully improves care or quietly stalls. Dr. Kumar shares the administrative perspective on evaluating clinical AI tools, including why many solutions demonstrate efficiency gains but never translate into sustained impact.

They also discuss how poorly integrated AI can increase cognitive burden for clinicians, while thoughtfully implemented systems can reduce mental strain, support earlier decision-making, and improve coordination across care teams without undermining clinical judgment.

This episode offers practical insight for physicians, health system leaders, and anyone involved in healthcare AI adoption.

Episode highlights

00:00

Introduction: why clinical AI adoption often stalls

01:15

Efficiency vs. value in healthcare AI

02:45

How health systems evaluate AI ROI

04:20

The role of leadership and governance in AI adoption

06:10

Why cross-specialty integration matters

08:05

Stroke care as a model for AI-enabled coordination

10:10

Clinical decision support and predictive AI models

12:30

Reducing cognitive burden for clinicians

14:20

What successful clinical AI looks like at scale

About the host

dr-vivek-singh
Vivek Singh, MD
Neuroradiologist, MUSC

Dr. Singh is a board-certified neuroradiologist and assistant professor at MUSC, where he completed his diagnostic radiology residency and neuroradiology fellowship, serving as chief resident in his final year. His expertise spans the full spectrum of diagnostic imaging, with a strong interest in stroke and brain tumor imaging, while also regularly interpreting general studies and performing a range of image-guided procedures.

A graduate of the Virginia Tech Carilion School of Medicine with dual undergraduate degrees in Human Nutrition and Biochemistry from Virginia Tech, Dr. Singh developed a deep interest in AI during training. He focuses on how AI can improve early disease detection, expand therapeutic imaging, enhance screening programs, and triage critical findings. He is particularly interested in the evolving role of radiologists as information integrators, combining AI insights with imaging, genomics, and clinical data to guide diagnosis and treatment.

About the guest

dr-samir-kumar
Samir Kumar, MD, MBA,CPE, FACHE
Chief Medical Officer, Advocate Health

Dr. Samir Kumar is the former Chief Medical Officer at Ascension Alexian Brothers, bringing over 16 years of expertise in hypertension and nephrology at a previous Level 1 trauma center and Malcolm Baldrige award-winning hospital. His passion for improving healthcare quality, patient safety, and service line excellence has been central to his career. Over the past five years, as CMO of a large community hospital, the regional hub for complex cardiac and neuro care withinAscension Illinois, Dr. Kumar’s leadership has been instrumental in enhancing clinical outcomes and driving healthcare excellence.