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.
Sarah Lisenbee, PsyD
Manager of Behavioral Health Inpatient Clinical Services
Dr. Sarah Lisenbee is a Licensed Clinical Psychologist at Palomar Health. She is the supervisor for the Psychology Clinical Training Program and provides clinical support and psychological/neuropsychological assessments to patients admitted to the Behavioral Health Unit, Gero-Psychiatric Unit, and Medical Floors. Dr. Lisenbee completed her fellowship at the Diamond Headache Clinic in Chicago and has over 10 years experience with both inpatient and outpatient settings in the health psychology and behavioral health field. Dr. Lisenbee utilizes a biopsychosocial model and integrates CBT, ACT, and Mindfulness interventions into her clinical approach.
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.
Erin Carroll MSN, PHN, RN, NEA-BC, Manager, Crisis Stabilization Unit
Erin joined Palomar Health in 2020 with more than 30 years’ of Nursing experience in a variety of Inpatient, Outpatient and Forensic settings. She has management experience in both Adult and Adolescent populations, and has worked as a Crisis Team member for the mobile PET team in Orange County. Erin holds a Board Certification as a Nurse Executive Advanced and has taught Psychiatry at UCI School of Nursing as a Clinical Nursing Instructor. Erin has served on the NABH Addition Workgroup from 2018-2020, and is passionate about quality and patient access to Behavioral Health and Recovery Services.
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