David J. Grew, MD, MPH

David J. Grew, MD, MPH Profile Photo

Founder and CEO

Dr. David Grew is a board-certified radiation oncologist with a longstanding commitment to patient education and innovation in cancer care. He earned his MPH and MD from Tulane University, where his early work on disaster recovery in post-Katrina New Orleans earned national recognition and federal support. He completed his residency at NYU School of Medicine, serving as chief resident and receiving the Resident of the Year award in 2015. Dr. Grew currently practices at Johnson Memorial Cancer Center and St. Francis Hospital in Connecticut, where he also serves as Co-Chair of the Cancer Committee.

In 2020, Dr. Grew founded PRIMR, a digital health company focused on reducing physician burnout and improving patient understanding through video-based education. His mission is to make complex medical conversations easier for patients to absorb and retain, ultimately empowering them throughout their cancer journey.

Outside of work, Dr. Grew enjoys spending time with his wife and 4 daughters. Together, they are avid skiers, bikers and boaters.

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June 25, 2025

Navigating Prostate Cancer: A Conversation with Dr. David Grew

Dr. David Grew, a board-certified radiation oncologist and founder of Primr, discusses prostate cancer, from early detection and PSA testing to the latest advancements in treatment options, including when active surveillance is possible vs. surgery and radiation therapy.