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Lisa Tseng, MD

Medical School: University of Pittsburgh
Internship: Barnes-Jewish Hospital, St. Louis, Missouri

Portrait of Marissa Tucker, CRNA

Marissa Tucker, CRNA

Certified Registered Nurse Anesthetist

Preethi Tumati

Preethi Tumati, MD

Medical School: University of Missouri-Kansas City School of Medicine

Portrait of Aldin Turan, CRNA

Aldin Turan, CRNA

Certified Registered Nurse Anesthetist

Portrait of Sydney Tyler, MD

Sydney Tyler, MD

Medical School: University of Colorado School of Medicine

Portrait of Sydney Tyler, MD

Sydney Tyler, MD

Department of Anesthesiology Featured Member: March 2026

Sydney Tyler is a CA-1 in the Department of Anesthesiology at WashU Medicine. Originally from Columbia, MO, Sydney majored in Biochemistry, Biological Sciences, and Classical Humanities at the University of Missouri—Columbia before moving to Denver to earn her Doctor of Medicine from the University of Colorado Anschutz School of Medicine.

Sydney lives with her sister and their two dogs, Bobo and Meatball.  In her free time, you can find her walking through Forest Park with her dogs, baking, trying out new area restaurants with some of her co-residents, and curling up on the couch with a good book. A fun fact about Sydney is that she loves our National Parks, and her and her mother make the time to visit at least one every year—so far her favorite is Glacier National Park.

Portrait of Chiamaka Uche, MD

Chiamaka Uche, MD

Medical School: Ohio State University College of Medicine

Portrait of Bradley Uding, CRNA

Bradley Uding, CRNA

Certified Registered Nurse Anesthetist

Chideraa Ukeje, MD, MPH

Chideraa Ukeje, MD, MPH

Northwestern University The Feinberg School of Medicine 

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Odera Umeano, MD

Medical School: Duke University
Internship: Barnes-Jewish Hospital, St. Louis, Missouri