Leadership

Vituity executives aren’t just inspired leaders, they’re also practicing physicians on the frontlines of healthcare. They know firsthand the problems hospitals face in caring for patients — and what it takes to solve them.

Executive Officers

CEO of Vituity and President of the Vituity Cares Foundation

Imamu Tomlinson, MD, MBA

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President of Vituity

Theo Koury, MD

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Board Members

Board Chair

David Feldman, MD, MBA

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David Feldman, MD, MBA

Board Chair

David Feldman, MD, MBA, has been an elected member of the Board of Directors for Vituity since 2017 and currently serves as Board Chair. The Board sets the strategic direction for Vituity, provides guidance to the Officers, and serves as the voice of the Partners in governance matters. Dr. Feldman maintains a steady focus on growing Vituity as an organization that will serve the next generation of Partners.

He is also a practicing emergency physician and Medical Director at Good Samaritan Hospital in San Jose, Calif. Dr. Feldman holds a Medical Doctorate from UCLA School of Medicine and completed his emergency medicine residency at Massachusetts General Hospital, a Harvard-affiliated program.

Board Member

Rodney Borger, MD

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Rodney Borger, MD

Board Member

Rodney Borger, MD has been a board member since 2012. He has also held the roles of medical director and chair of the department of emergency medicine at Arrowhead Regional Medical Center since 2002. Under Dr. Borger’s active leadership, Arrowhead Regional Medical Center’s emergency department was awarded the 2006 Management of Excellence Award, Honorable Mention from the California Association of Public Hospitals, the 2006 Certificate of Recognition from Golden Guardian, and the 2006 Practice of the Year Award from Vituity. Dr. Borger was instrumental in the establishment of Arrowhead's Osteopathic Residency in Emergency Medicine in 2004 and its Emergency Medicine Physician Assistant Fellowship in 2011.

He was personally recognized with the 2012 San Bernardino County Medical Society Outstanding Contribution to the Community Award and the 2011 Medical Board of California Humanitarian Award and was named one of the 2010 Best Physicians in the Inland Empire. In 2010, he also received a Special Recognition Award from the California Chapter of the American College of Emergency Physicians for political advocacy work. Dr. Borger was instrumental in forming the San Bernardino County Medical Reserve Corps, where he served as commander. Former governor Arnold Schwarzenegger appointed him to the California Department of Public Health Advisory Committee.

Dr. Borger earned his medical degree at Loma Linda University in 1993 and completed his residency at Loma Linda University Medical Center in 1996.

BOARD MEMBER

Sergio Hernandez, MD, FACEP

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Sergio Hernandez, MD, FACEP

BOARD MEMBER

Sergio Hernandez MD, FACEP, joined Vituity’s Board of Directors in 2024. He currently serves as a medical director for Vituity in Los Angeles County since 2012. He earned his medical degree from the University of California, San Francisco and completed residency and served as chief resident in emergency medicine at Harbor UCLA. Since joining the partnership, he has earned national recognition in leadership including the Community Emergency Medicine Excellence Award from ACEP and Vituity Excellence in Leadership Award.

Board Member

Wade C. Fox, DO

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Wade C. Fox, DO

Board Member

Wade C. Fox, DO, FACEP, FAAEM, is an elected member of the Board of Directors and serves as a Regional Director for Vituity. Dr. Fox earned his undergraduate degree in psychology at the University of Oregon in Eugene and earned his medical degree from the University Of Health Sciences College Of Osteopathic Medicine, in Kansas City, Mo. He completed his Residency in emergency medicine at St. Vincent’s Mercy Medical Center in Toledo, Ohio, where he also worked as a Life Flight physician.

He joined Vituity as medical director for Mercy Medical Center in Roseburg, Ore., in 2008. Under his leadership as ED Chair, Mercy Medical Center won Vituity's Emergency Department of the Year Award in 2012. He is past president and a current member of the board for the Oregon chapter of the American College of Emergency Physicians (ACEP), and previously served as Chief Medical Officer for Umpqua Health, a Coordinated Care Organization (CCO).

Physician Director, Health Equity

Maureen Bell, MD, FACEP

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Maureen Bell, MD, FACEP

Physician Director, Health Equity

Dr. Bell is Vituity’s Physician Director, Health Equity. She previously served as emergency department medical director at Howard University Hospital, the nation’s only teaching hospital located on a historically Black university campus. As of 2024, she is an elected member of Vituity's Board of Directors.

In 2020, Dr. Bell became a founding board member of the Vituity Cares Foundation. Through this role, she works to improve the health of underserved communities and create a more diverse and inclusive healthcare workforce.

Dr. Bell holds a medical degree from New York University School of Medicine and completed her emergency medicine residency at New York City Health and Hospitals Jacobi Medical Center. She credits her mother, a nurse, for inspiring her early interest in medicine.

Board Member

Payton McGowen, MD

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Payton McGowen, MD

Board Member

Payton McGowen, MD, serves as the Medical Director in Illinois and an elected member of Vituity’s board of directors. She has been a Vituity Partner since 2014. Her integrated sites across HSHS were awarded the Distinguished Practice Award in 2015 and the Culture of Caring Award in 2018 and 2019, as well as the Integrated Practice of the Year Award in 2015. Dr. McGowen holds a Medical Doctorate from the University of Missouri-Kansas City and completed her internal medicine residency at Saint Louis (MO) University.

Board Member

Sachin Patel, MD, MPH

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Sachin Patel, MD, MPH

Board Member

Sachin R. Patel MD, MPH, joined Vituity’s Board of Directors in 2023. He currently serves as a Regional Director for Vituity in Chicago. Dr. Patel has built a career turning around failing emergency departments, serving as a frontline Medical Director or Regional Director for over 15 turnaround/startup emergency rooms or urgent care centers since 2010. Dr. Patel holds a medical degree from UNC – Chapel Hill, a Master’s in Public Health from Johns Hopkins Bloomberg School of Public Health.

Board Member

Jaime Rivas, MD

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Jaime Rivas, MD

Board Member

Jaime Rivas, MD, has been a member of Vituity’s Board of Directors since 2002 and serves as a Regional Director for Vituity. He earned a bachelor’s degree in physiology from the University of California, San Diego, and his medical degree from the University of Illinois at Chicago where he graduated with an honor of excellence in emergency medicine. Since joining the Partnership in 1996, Dr. Rivas has been recognized as a leader. He was named Physician of the Year for the San Diego Region in 2000 and received Vituity’s Distinguished Service Award in 2017, the same year that his practice at Palomar Health received Vituity’s Distinguished Site Award for Most Integrated Site. Dr. Rivas previously served as Vituity Board Chair from 2011 to 2016, and again from 2019 to 2021.

Board Member

Steven Zahn, MD

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Steven Zahn, MD

Board Member

Steve Zahn, MD is an elected member of the Board of Directors and a Regional Director for Vituity. He has been a Vituity partner since 2010. He serves as Regional Director for several sites in Indiana: Ascension Saint Vincent, Hancock Regional, Henry Community and Rush Memorial. In addition, he serves as RD for Sparrow Health in Lansing Michigan. Dr. Zahn attended Creighton University School of Medicine in Omaha, Nebraska and completed residency at Northwestern Memorial in Chicago, Illinois.

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