3 Best Psychologists in Greeley, CO

“2026 Update: Dr. Nathan Swisher is a licensed Clinical Psychologist and Certified Addiction Specialist in Colorado. He is practising in Aspen View Mental Health. He earned his Doctorate of Psychology in Clinical Psychology in 2011 from the Rosemead School of Psychology at Biola University, an APA-accredited program in California. Dr. Nathan Swisher received training in psychological assessment and multiple psychotherapy models across various clinical settings. He provides psychotherapy for individuals, families, and couples of all ages. Aspen View Mental Health provides comprehensive case management to help individuals navigate the practical aspects of recovery and aftercare. They develop all treatment plans under the supervision of their clinical director and lead therapists to ensure that interventions are evidence-based and clinically appropriate.”

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“2026 Update: Dr. David Christiansen is a licensed psychologist with more than 40 years of experience in counseling psychology. He provides psychological services with a focus on trauma, crisis intervention, and support for first responders. Dr. David Christiansen earned a Doctorate in Psychology from the University of Northern Colorado. He also completed a Master’s degree in Counseling Psychology from Wheaton College. He has served various community organizations, healthcare providers, and legal agencies across Colorado and other regions. Dr. David Christiansen is an active member of several professional organizations, including the American Psychological Association and the Society for Police and Criminal Psychology. He is also a member of the American Alpine Club and the International Association of Chiefs of Police, Psychology Section. Dr. David Christiansen volunteers with the Centennial Crisis Intervention and Stress Debriefing Team. He is also a member of the Colorado Jail Association. He offers flexible options to accommodate individual needs and schedules.”

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“2026 Update: Dr. Ashley Imburgia received her medical education from Nova Southeastern University in 2017. She completed her psychology internship at the North Las Vegas VA Medical Center in 2017. Dr. Ashley Imburgia later pursued a fellowship in Psychology at Washington University School of Medicine in 2018. She helps to address emotional and psychological concerns associated with patients’ conditions. Dr. Ashley Imburgia uses evidence-based interventions, including Cognitive Behavioral Therapy, Acceptance and Commitment Therapy, and mindfulness-based approaches to support treatment and coping. Banner North Colorado Medical Center has been providing healthcare services to Weld County, Northern Colorado, and the surrounding multistate region for more than 100 years. The clinic offers modern healthcare facilities, advanced technology, and a range of medical services to support patient care. They are nationally recognized for several programs, including heart care and trauma care.”

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