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Our Residents

Resident Class 2017-2020

Jonathan Gaskill

Jonathan Gaskill, MD
Loma Linda University


Dr. Gaskill is originally from Yakima Washington. His current interests include biking, snow skiing, eating good food and the occasional video game. Dr. Gaskill's medical interests include outpatient medicine, urgent care, and procedures.
Christopher Holloway

Christopher Holloway, MD
Loma Linda University


Dr. Holloway is a native Michigander who was drawn to the Buckeye State by the Ohio sunshine, the reasonable cost of living, and close family proximity. He completed medical school at Loma Linda University School of Medicine in Loma Linda, CA in 2013. He has a BS in Biology with a minor in music with a concentration in Piano. He enjoys international travel, music, reading, local outreach projects, and apple pie. His dream is to practice full spectrum family medicine in the future. In his downtime, he enjoys binge-watching HGTV with his wife.
Isaac Koh

Isaac Koh, MD, MPH
Loma Linda University


Dr. Koh was born in Pontiac, Michigan; grew up in Boulder, Colorado; went to undergrad in Texas, and received his MPH and MD in California. His three greatest passions are missions, working with children, and soccer. He has traveled to over 30 countries. Other hobbies include running, boogie boarding, cooking, and exploring cities for good restaurants.

Michael Nwosu

Michael Nwosu, MD
Loma Linda University


Dr. Nwosu is from the great state of California. In his free time, he likes playing sports, hiking, camping and pretty much any outdoor activities, but above all he loves to eat. He is passionate about Family Medicine and the ability to partner with each individual under his care in to help them reach their dreams and enjoy a life they work so hard to deserve. He is also passionate about global health and medical missions, and hopes to practice these on a larger scale in the future.
Steven Tomlinson

Steven Tomlinson, MD
Loma Linda University


Dr. Tomlinson and his wife are from Bakersfield, California. He and his wife enjoy spending time with friends in pretty much any setting. When they have free time, they can also be found at home spending time with their cat and German Shepherd. He plans on to stay in the Dayton area to practice Family Medicine in the outpatient setting with interests in Sports Medicine and Preventive Medicine.
Huyen Tran

Huyen Tran, MD
Ross University


Dr. Tran is originally from Orange County, California. Her interests can be summarized in the John Muir quote, "The mountains are calling and I must go."

Resident Class 2018-2021

Claire Nelson

Claire Nelson, MD
Loma Linda University


Dr. Nelson grew up on a wheat farm near Conrad, Montana. Her interests include exploring the Rocky Mountains, gardening, snowboarding, and trying new dessert recipes (which the program appreciates!). Her career dream is to go back to Montana to practice rural Family Medicine.
Jerika Ortlieb

Jerika Ortlieb, MD
Wright State University


Dr. Ortlieb grew up in a small town about 45 minutes east of Beavercreek, Ohio. In her free time, she likes to spend time with her husband and two rescue dogs, read, binge watch television/movies, and explore new places. Dr. Ortlieb has interests in full spectrum, academic, and rural family medicine. One of her passions is global health and has had the privilege of serving her global community in Ghana, Jamaica, and Greece.
Joshua Slusher

Joshua Slusher, DO
Ohio University


Dr. Slusher is from Fairborn, Ohio . He is an Eagle scout and enjoys camping, hiking, campfires and campfire meals. He has a wonderful 12-year-old daughter. Together they enjoy going to movies, amusement parks and playing video games. He hopes to make people smile when they need it and help in any way he can through his service in medicine.

Jonathan Stofer

Jonathan Stofer, MD, MPH
Wright State University


Dr. Stofer is from Mansfield, Ohio. He enjoys traveling, running, hiking and reading. Dr. Stofer has a passion for refugee and underserved medicine as he is the founder/director of a medical NGO in Peru called The Rural Amazonian Health Initiative that serves rural jungle communities with limited access to health care. He is also involved with the global community within the greater Dayton region. He also earned an MPH from Wright State University with a focus in Global Health.
Justin Tuot

Justin Tuot, MD
Loma Linda University


Dr. Tuot was born and raised in Southern California. He married his lovely wife in April of 2018. They have a Golden Retriever puppy that keeps them busy. His interests include the L.A. Clippers and singing/songwriting. Interesting fact: he has severe ankyloglossia which particularly perplexes his wife, who is a speech pathologist.
Michael Villasin

Michael Villasin, MD, MPH
American University of the Caribbean


Dr. Villasin is from Orange County, California. During his down time, he enjoys snowboarding, basketball, and running. He is interested in pursuing a focus in Sports Medicine. A unique fact about Dr. Villasin is that he has traveled to over 50 countries and counting (top 3 in no particular order: Turkey, Bosnia and Herzegovina, and Norway).