A career educator and board-certified Emergency Medicine physician, Dr. Marshall has held a range of progressive leadership roles within Brooklyn’s largest health system
over the past 20 years.

Brooklyn – May 7, 2024 –Maimonides Health today appointed Dr. John Marshall Executive Vice President of Medical Affairs & Chief Medical Officer, effective immediately. Dr. Marshall, board-certified in Emergency Medicine, has held various leadership roles with Maimonides since 20023, most recently serving as interim CMO, and has been instrumental in strengthening the system’s clinical services, many of which rank among the best in the country for patient outcomes.

“Dr. Marshall has been driven by his twin passions for patient well-being and the future of Emergency Medicine,” says Kenneth D. Gibbs, President and CEO of Maimonides Health. “Moreover, he has always led with a commitment to strengthening all of Maimonides’ capabilities to serve our patients, build bridges with our partners and support the whole of the Maimonides family. Whether helping to train the next generation of emergency medicine physicians or overseeing key aspects of the hospital’s response to the COVID-19 pandemic, his clinical and academic leadership has already been felt within Maimonides and in the communities we serve.”

“It is my honor to assume the role of Executive Vice President of Medical Affairs & Chief Medical Officer for Maimonides Health, where it has been my distinct privilege to practice and serve for more than 20 years,” says Dr. John Marshall, Executive Vice President of Medical Affairs & Chief Medical Officer. “Witnessing firsthand the impact of the compassionate care demonstrated by our expert and dedicated medical teams here, I am reminded every day to seek out and strengthen connections with our patients, their families, all of the staff and the affiliated providers that support the care we provide. I look forward to continuing to work with everyone to deliver unparalleled health care as we build stronger connections with the communities we serve.”

Since joining Maimonides Medical Center in 2003 as an attending physician in Emergency Medicine, Dr. Marshall has assumed a range of progressive leadership roles. He spent five years as the Residency Program Director at Maimonides, expanding and modernizing the training program in Emergency Medicine. As Vice Chair and Director of the Education Fellowship, he led the development of seven Emergency Medicine fellowship programs and a state-of-the-art Simulation Center. He has also published extensively on emergency medicine, and is an editor of the textbook Critical Care Emergency Medicine. Dr. Marshall has made enormous contributions to the training and advancement of Emergency Medicine providers that extend across the country. In February 2023, he was elected to the American Board of Emergency Medicine’s Board of Directors.

In his 12 years as Chair of the Department of Emergency Medicine, he expanded services, introduced advanced patient care technologies and drove significant progress on patient throughput and experience despite operating one of the busiest Emergency Departments in the city. He led the efforts that resulted in Maimonides becoming the only certified Adult and Pediatric Trauma Center in Brooklyn, and grew EMS services into the largest hospital-based, 911-participating ambulance service in New York City.

Most recently, Dr. Marshall spearheaded the creation of The Maimonides Bay Ridge Emergency Department, located at 9036 7th Avenue in Brooklyn. The 22-bed, state-of-the-art emergency department offers 24/7 care to children and adults and is a destination for local EMS services. It currently has the highest online rating for Emergency Departments in New York City.

Dr. Marshall is an alumnus of University of Michigan who completed his residency in emergency medicine at Denver Health Medical Center, and is a Professor of Emergency Medicine at SUNY Downstate. He is also a decorated Air Force veteran who served in Afghanistan leading a critical care aeromedical transport team.

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About Maimonides Health
Maimonides Health is Brooklyn’s largest healthcare system, serving over 350,000 patients each year through the system’s 3 hospitals, 2,000+ physicians and more than 80 community-based practices and outpatient centers. The system is anchored by Maimonides Medical Center, one of the nation’s largest independent teaching hospitals and home to centers of excellence in numerous specialties and Maimonides Midwood Community Hospital (formerly New York Community Hospital), a 130-bed adult medical-surgical hospital; and Maimonides Children’s Hospital, Brooklyn’s only children’s hospital and only pediatric trauma center. Maimonides’ clinical programs rank among the best in the country for patient outcomes, including its Heart and Vascular Institute, Neurosciences Institute, Bone and Joint Center, and Cancer Center. Maimonides is an affiliate of Northwell Health and a major clinical training site for SUNY Downstate College of Medicine. For additional information, please visit www.maimo.org.

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