Our Fellows
First Year Fellows
Charlie Oertli, MD
Years: 2025-2027
Residency: Vanderbilt University Medical Center
Medical School: Creighton University
Albert Wu, MD
Years: 2025-2027
Residency: University of Vermont Medical Center
Medical School: University of South Dakota
Second Year Fellows
Calvin Albrecht, MD
Years: 2024-2026
Residency: University of Rochester Medical Center; Rochester, NY
Medical School: University of Wisconsin
Emily Dyer, MD
Years: 2024-2026
Residency: Creighton University
Medical School: Creighton University
Nicole Kusnik, MD, MS
Years: 2024-2026
Residency: Rochester Regional Health Unity Hospital; Rochester, NY
Medical School: Wroclaw Medical University
Thinking about training with UNMC ID?
Read testimonials from some of our past and present fellows sharing why they chose UNMC and our fellowship program. Read the post
Hear what some Infectious Diseases fellows have to say about their time at UNMC. Watch the video
Past Fellows
Stephen Cooper, MD, MPH
Years: 2023-2025
Medical School: St. George's University School of Medicine
Residency: Creighton University, Omaha, NE
Post-Fellowship Plans: St. Alphonsus Medical Center, Boise, ID
Tyler Rosengren, MD
Years: 2023-2025
Medical School: St. George's University School of Medicine
Residency: MercyOne North Iowa, Mason City, IA
Post-Fellowship Plans: Creighton University - CHI hospital system - Omaha, NE
Years: 2023-2025
Medical School: University of Texas Medical School at San Antonio
Residency: UNMC, Omaha, NE
Post-Fellowship Plans: Creighton University - CHI hospital system - Omaha, NE
Years: 2022-2024
Medical School: Wayne State University School of Medicine
Residency: Wayne State University/Detroit Medical Center; Detroit, MI
Post-Fellowship Plans: Providence St. Vincent Medical Center; Portland, OR
Catherine Cichon, MD, MPH
Years: 2022-2024
Medical School: UC San Diego School of Medicine
Residency: University of California San Diego Medical Center; San Diego, CA
Post-Fellowship Plans: Infectious Disease Specialists; Colorado Springs, CO
Timothy Jang, MD
Years: 2022-2024
Medical School: Wright State University Boonshoft School of Medicine
Residency: Wright State University Boonshoft School of Medicine; Dayton, OH
Post-Fellowship Plans: Bass Medical Group, Walnut Creek, CA
Mackenzie Keintz, MD
Years: 2021-2023
Medical School: St. George's University School of Medicine
Residency: UNMC, Omaha, NE
Post-Fellowship Plans: UNMC, Omaha, NE
Years: 2021-2023
Medical School: Ross University School of Medicine
Post-Fellowship Plans: Medical College of Wisconsin, Milwaukee, WI
Post-Fellowship Plans: University of Tennessee Medical Center, Knoxville, TN
Years: 2020-2022
Residency: Indiana University School of Medicine, Indianapolis, IN
Post-Fellowship Plans: University of Nebraska Medical Center, Omaha, NE
Years: 2020-2022
Medical School: Western University of Health Sciences College of Osteopathic Medicine of the Pacific
Post-Fellowship Plans: Good Samaritan Regional Medical Center, Corvallis, OR
Years: 2020-2022
Medical School: Creighton University School of Medicine
Residency: University of Nebraska Medical Center, Omaha, NE
Years: 2019-2021
Residency: Marshfield Clinic, Marshfield, WI
Post-Fellowship Plans: Marshfield Clinic, Marshfield, WI
Years: 2018-2020
Medical School: Edward Via College of Osteopathic Medicine - Carolinas Campus
Randy McCreery, MD
Years: 2018-2020
Medical School: American University of the Caribbean School of Medicine, St. Maarten
Residency: University of Nebraska Medical Center, Omaha, NE
Post-Fellowship Plans: Mercy Medical Group, Sacramento, CA
Years: 2017-2019
Residency: University of Nebraska Medical Center, Omaha, NE
Post-Fellowship Plans: University of Nebraska Medical Center, Omaha, NE
Years: 2017-2019 (Infectious Diseases), 2019-2020 (Critical Care Medicine)
Post-Fellowship Plans: Private Practice ID and CCM, Milwaukee, WI
Denisa Majorant, MD
Years: 2015-2017
Residency: Lincoln Hospital, Bronx New York, NY
Post-Fellowship Plans: Providence Medford Medical Center, Medford, OR
Luis Guzman, MD
Years: 2014-2016
Residency: St Francis Hospital, Evanston, IL
Post-Fellowship Plans: Ascension Saint Francis Hospital, Chicago, IL
Sandra Crosara, MD
Years: 2013-2015
Residency: University of Iowa, Des Moines, IA
Post-Fellowship Plans: MercyOne North Iowa Internal Medicine, Mason City, IA
Andrea Green Hines, MD
Years: 2010-2012 (PEDS), 2012-2014 (Infectious Diseases)
Residency: University of Nebraska Medical Center, Omaha, NE
Post-Fellowship Plans: University of Nebraska Medical Center, Omaha, NE