Current Chief Residents
Amir Dhillo, D.O.
Dr. Amir Dhillo was born in Kansas City, Missouri, and grew up in Overland Park, Kansas. He received his undergraduate degree from the University of Kansas and his medical degree from Kansas City University College of Osteopathic Medicine. He was thrilled to find out he matched in Portland, given his love for the outdoors and the Pacific Northwest; and even more so when his wife matched there as well. He is thrilled to spend another year with the program as Chief Medical Resident, starting in June 2025. In his free time, Dr. Dhillo enjoys travelling with his wife, hiking, going to the gym, and video games.
Antonio Prado, D.O.
Dr. Antonio Prado was born in Caguas, Puerto Rico and grew up in Orlando, Florida. He received his undergraduate degree at the University of Florida before going on to complete his medical school education at Lake Erie College of Osteopathic Medicine in Florida. Looking for an exciting new adventure, Dr. Prado set his sights on Portland, Oregon, and has never looked back. He is excited to continue his journey at Legacy as Chief Medical Resident where he’ll get to share his passion for teaching with his fellow colleagues. Dr. Prado is interested in infectious disease and critical care medicine. During his free time, he enjoys going to the movies, riding his bike, and exploring the Portland food scene.
Incoming Chief Residents
Eric Pohlen, D.O.
Dr. Eric Pohlen was born in Denver, Colorado, and grew up in a small town called Larkspur, Colorado. He received his undergraduate degree from Colorado State University and his medical degree from Kansas City University College of Osteopathic Medicine. As a big backpacker and outdoors enthusiast, he was excited to match out here in Portland, Oregon, and explore the Pacific Northwest. He is looking forward to staying an extra year as Chief Medical Resident to help support, mentor, and teach his fellow residents, as well as experiencing life as a hospitalist. In his free time, you can catch him going on some hikes, skiing, playing tennis, or rooting for the Denver Broncos.
Ryan Stiegler, D.O.
Dr. Ryan Stiegler was born in Omaha, Nebraska, and grew up in Bend, Oregon. He received his undergraduate degree at Oregon State University before going on to complete his medical school education at Western University College of Osteopathic Medicine in Oregon. Staying in Oregon was a priority for him, and he was beyond excited to complete his medical training in Portland. He will be completing his pre-Chief year this year and is looking forward to stepping into Chief Medical Resident in the year following. Dr. Stiegler is interested in critical care and hospital medicine. During his free time, he enjoys spending time with his crazy German Shorthaired Pointer, lifting weights, running, exploring the PNW, and finding the best eats the city has to offer.
