Our Providers
Kevin Wethey, M.D.
Dr. Wethey is a board-certified psychiatrist and founder of Mentality Behavioral Health Center in Diamond Bar, California. He earned his medical degree from St. George’s University and completed his psychiatric residency at Kaiser Permanente, Fontana. Dr. Wethey also serves as Medical Director at Canyon Ridge Hospital in Chino.
Gerald Goco, PMHNP
Paul Arredondo, PMHNP
Gerald is accepting new patients.
Gerald is a board-certified Psychiatric Mental Health Nurse Practitioner providing compassionate, personalized care in a safe, judgment-free space. He treats anxiety, depression, ADHD, and mood disorders in adolescents and adults, using a collaborative, trauma-informed, culturally responsive approach. He i
Gerald is accepting new patients.
Gerald is a board-certified Psychiatric Mental Health Nurse Practitioner providing compassionate, personalized care in a safe, judgment-free space. He treats anxiety, depression, ADHD, and mood disorders in adolescents and adults, using a collaborative, trauma-informed, culturally responsive approach. He integrates medication management with supportive psychotherapy and offer in-person and telehealth visits to ensure accessible, empowering, and individualized care.
Nancy Rehfeld, PMHNP
Paul Arredondo, PMHNP
Paul Arredondo, PMHNP
Nancy is a board certified, mental health nurse practitioner
Paul Arredondo, PMHNP
Paul Arredondo, PMHNP
Paul Arredondo, PMHNP
Paul is accepting new patients.
Paul is a board-certified psychiatric nurse practitioner. He provides mental health care across all acuity levels. His comprehensive experience as a mid-level provider covers pediatric, adolescent, adult, military, and geriatric populations. Guided by a philosophy of compassionate leadership and active liste
Paul is accepting new patients.
Paul is a board-certified psychiatric nurse practitioner. He provides mental health care across all acuity levels. His comprehensive experience as a mid-level provider covers pediatric, adolescent, adult, military, and geriatric populations. Guided by a philosophy of compassionate leadership and active listening, he approaches patient care with the understanding that healing is not linear and every individual's path to wellness is unique.
Shana Garcia, PsyD
Shana Garcia, PsyD
Shana Garcia, PsyD
Dr. Garcia is a Licensed Clinical Psychologist and provides virtual psychotherapy. Areas
of expertise include mood and anxiety disorders, interpersonal and self-esteem
challenges, gender dysphoria, life transitions, family dysfunction, disordered eating,
grief, and trauma. She cultivates mutual trust and encourages active participation
toward
Dr. Garcia is a Licensed Clinical Psychologist and provides virtual psychotherapy. Areas
of expertise include mood and anxiety disorders, interpersonal and self-esteem
challenges, gender dysphoria, life transitions, family dysfunction, disordered eating,
grief, and trauma. She cultivates mutual trust and encourages active participation
toward self-actualization. Dr. Garcia encourages an integrative approach to treatment,
incorporating cognitive-behavioral, dialectical behavior, humanistic, and psychodynamic
modalities.