Dr. Contreras received his medical degree from University of Southern California and his Master of Public Health from Harvard University. Upon completing medical school, he moved to Seattle where he completed his family medicine residency at Group Health Cooperative. He is board-certified in family medicine and geriatric medicine. He is a certified medical director for long-term care facilities through the American Medical Directors Association.

Dr. Contreras has served as medical director for five different skilled nursing facilities over the course of 21 years in Washington State. He currently serves as medical director for the Chateau at Moorings Park. Dr. Contreras’s current practice is primarily focused on the care of older adults.