Don Myers, MSW, MBA
Director of Operations
Center for Behavioral Health
Don Myers joined Palomar’s Center for Behavioral Health in August of 2017. Prior to joining Palomar Health, he held a variety of leadership positions of multiple departments in hospital operations in Colorado and California. He has more than 25 years of leadership experience in all facets of behavioral health operations. Don received a Master of Social Work in 1990 and his Master of Business Administration in 2004. He is a strong advocate for Wellness & Recovery and Stigma Reduction in support of improvement in quality of life. Don is actively involved in local and state activities to increase awareness and promote health in the community.
Michelle Hemmings, PsyD
Manager of Behavioral Health Inpatient Clinical Services
Director of Psychology Clinical Training Program
Dr. Hemmings has responsibility for clinical services and programming for the Palomar Medical Center behavioral health inpatient units at Palomar Medical Centers Downtown and Poway. She also has operational responsibility for the Psychology Clinical Training Program to include supervision of predoctoral psychology interns and postdoctoral psychology fellows on the inpatient units and outpatient behavioral health programs. She has more than 20 years of experience working with mentally ill children, adults and older adults in the public, private and forensic settings. She has more than 10 years of experience as a Clinical Supervisor and leader in the mental health field. Her areas of interest include evidence-based and trauma-informed practices as well as psychological assessment.
Darrell Oppermann, BSN, MSHS, RN, PMHN-BC
Nurse Manager of Behavioral Health Unit, Gero-Psychiatric Unit, PMC Poway
Darrell joined Palomar Health in 2006 and has served in various roles in the Behavioral Health Department. He has more than 17 years experience caring for the mentally ill population and is Board Certified in Psychiatric-Mental Health Nursing. He is currently responsible for managing the Inpatient Gero-Psychiatric Unit and the Adult Behavioral Health Unit, both located in Poway.
Stephanie Sambrano, LMFT
Program Supervisor of Behavioral Health Emergency and Medical Floor Clinical Services
Stephanie has operational and clinical responsibility for the Emergency Department and Medical Floor behavioral Health clinical services at Palomar Medical Center campuses in Escondido and Poway. Stephanie has more than 14 years of experience working with the mentally ill population. She has held leadership positions in both public and private sectors, including both inpatient and outpatient settings.
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