Derek Greenwood

Derek Greenwood, DNP, PMHNP

Derek Greenwood, DNP, PMHNP is an Advanced Practice Registered Nurse (APRN) with a Doctor of Nursing Practice degree in Psychiatric Mental Health Nursing from Washington State University and certified addiction counselor with over a decade of experience spanning emergency medicine, behavioral health, substance use treatment, and nursing education. A passionate advocate for integrated care and recovery, Derek previously served as the RN Case Manager and Peer Program Supervisor at One Community Health, where he helped launch and lead an innovative Integrated MAT/Peer Recovery Program, facilitated recovery support groups, and promoted health education and behavioral health integration. From 2023 to 2024, Derek worked as Adjunct Nursing Faculty at Columbia Gorge Community College, where he taught second-year clinicals and lectured on Substance Use Disorder (SUD) and mental health, demonstrating a deep commitment to the next generation of nurses.

His earlier nursing career includes service in high-acuity emergency departments at Kaiser Permanente, Natividad Medical Center, and the VA Fresno. Derek also served as a Certified Alcohol and Drug Counselor I (CADC I) at Serenity Lane Treatment Center, where he led individual and group therapy sessions for individuals in inpatient SUD recovery.

Derek’s healthcare career builds on a strong foundation in community service. He is Board President of Gorge Recovery, an organization bringing substance use recovery centers to the Columbia River Gorge and serves on the Board of Directors of the Association of Advanced Practice Psychiatric Nurses (AAPPN).

Prior to his healthcare career, Derek was an able-bodied seaman with the U.S. Merchant Marine, supporting oceanographic institutions such as Scripps Oceanographic Institute, Monterey Bay Aquarium Research Institute, The University of Washington, Woods Hole Oceanographic Institute, and more.