Meet Our Physicians
Behind every critical moment is a team of board-certified emergency physicians who bring sharp clinical judgment, deep experience, and genuine care to every patient. Our doctors have trained at top institutions and dedicated their careers to emergency medicine, work that demands quick thinking, steady hands, and compassion under pressure. Get to know the physicians serving Oʻahu's emergency departments 24/7.
Eric Brush, MD, MHCM
Dr Brush graduated from Dartmouth Medical School in 1999. He completed a residency in Emergency Medicine, and subsequently a Fellowship in Medical Toxicology at the University of Massachusetts Medical Center. In addition he earned a Masters in Health Care Management from Harvard School of Public Health. Dr Brush has over 25 years of experience in Emergency Medicine and is committed to providing high quality, efficient, evidence based care to the Honolulu community.
Gregory Burke, MD
Dr. Burke graduated from Loma Linda University School of Medicine in 1990. He completed his Emergency Medicine residency at Loma Linda University Medical Center, where he served as Chief Resident during his final year of training. He has been a board-certified Emergency Medicine physician since 1995. After spending 10 years in the beautiful—but rain-saturated—Pacific Northwest, Dr. Burke and his family made the move to Hawaiʻi. He has been proudly practicing at Kuakini ever since. Outside of the hospital, Dr. Burke enjoys spending time at the beautiful beaches of Lanikai and Kailua with his dogs, Chloe and Koa, almost every day. When he’s not at the beach, he enjoys relaxing at home with the rest of his animal family: Jake the cat, Benny the rabbit, Kiwi the turtle, and his two parakeets, Tweety and Blue. Known as a simple country boy at heart, Dr. Fleming is just as comfortable in a cowboy hat as he is in the emergency department. Whether sharing a fine whiskey with friends, mentoring fellow physicians, or championing healthcare innovation, he brings authenticity, humility, and a deep sense of gratitude to everything he does. Throughout his career, Dr. Fleming has remained committed to supporting independent physicians, strengthening emergency medicine in Hawaiʻi, and building organizations that put both caregivers and patients first. His leadership is grounded in the values he grew up with—hard work, integrity, community, and service—making him a respected physician, advocate, and leader across the islands.
Antony Han, MD
Born in the US to Korean immigrant parents, I grew up in the Virginia countryside with a hammer usually in hand and a passion for fixing things up. These days, when I’m not diving into a carpentry project or tinkering around the house, you’ll find me hitting the open road on my motorcycle. That same problem-solving drive carries over into my career, where I thrive on working as efficiently as possible in the emergency room. For me, every streamlined process and quick fix in the ER means better, faster care for my community when they need it most.
Gregory Luke Larkin, MD
Dr. Gregory (Luke) Larkin is professor of Emergency Medicine and a prolific scholar in the fields of emergency & disaster medicine, Professor Larkin authored ACEP’s Principles of Ethics for Emergency Physicians, the Code of Conduct for Academic Emergency Medicine, and the Cardinal Virtues of Emergency Medicine, all global standards. Dr. Larkin served as the inaugural Professor of Emergency Medicine at Yale University and the founding endowed Lion's Chair of Emergency Medicine at The University of Auckland. He is recognized internationally, having won many honors, including the prestigious Atlantic Fellowship in Public Policy with HMS Government in Whitehall. Professor Larkin continues to provide guidance to the UK’s Department of Health/NHS, the World Health Organization, as well as the CDC, NIH (NIMH, NINDS), SAMSHA, and the International Federation of Emergency Medicine. Dr. Larkin serves as a Major in the US Army Reserves and is currently advising healthcare leaders in both Kyiv and Kharkiv as well as frontline military medics in Ukraine. He enjoys tennis, ice hockey, kitesurfing, and late night Asian dining in Honolulu.
Timothy Morton, MD
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Shoulun Ruan, MD
Dr. Shuolun Ruan was born in China and grew up in the Midwest. She attended Yale University and majored in biochemistry and economics. She attended medical school at the University of Rochester School of Medicine & Dentistry in Rochester, NY, where she went on to complete her residency training in Emergency Medicine. Dr. Ruan is Board Certified in Emergency Medicine and worked in Baltimore, MD for 8 years after residency. After almost two decades in the Northeast, Dr. Ruan resolved never to shovel nor walk in snow again and made the move to Hawaii in January 2023. In addition to helping staff Kuakini, she also works on Molokai. Dr. Ruan speaks Mandarin and Spanish. Her personal interests include salsa dancing, traveling, hiking, and being a foodie.
Shari Seidman, MD, MPH
Shari Seidman is a proud member of OEPS! She is passionate about providing high quality compassionate patient care. Outside of work, she loves spending time with her family and pets.
Derek Uemura, MD
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Timothy Scott Wilson, DO
Dr. Wilson has had the pleasure of serving at Kuakini since 2007. He and his wife live in Kaneohe with their two children. Outside of work, he enjoys scuba diving, surfing, and mountain biking.
Ryan Yee, MD
Born and raised in Hawaii, Ryan Yee attended college in Colorado before returning home to Hawaii to attend the John A. Burns School of Medicine. He completed his residency in Philadelphia in 2023 and, after returning home to Hawaii, has remained actively involved with his medical school, where he enjoys working with and mentoring medical students. As a board-certified emergency medicine physician, he intends to spend his future here in Hawaii and is committed to giving back to the community that has always been home. He currently serves as the Medical Director for the Kuakini Emergency and Urgent Care Departments. Outside of medicine, Ryan enjoys DIY projects, fishing, boating, and playing basketball. He is one of eight cousins who grew up very close together, spending time at the beach, snowboarding in the mountains, and embarking on countless adventures throughout the states. These experiences have helped shape his appreciation for family, adventure, and the importance of staying connected to those around him. He considers his family his greatest blessing.
