Melissa Frost, PMHNP-BC
Melissa Frost is a board-certified psychiatric mental health nurse practitioner with two decades of rich clinical experience. She completed her undergraduate nursing education at Loma Linda University and earned her Master of Science in Nursing from the prestigious University of California, Los Angeles (UCLA).
Throughout her career, Melissa has worked across diverse clinical settings, including residential addiction medicine, supportive homes for individuals with developmental and intellectual differences, geriatric facilities, and specialized outpatient tele-psychiatry. She is also a recognized speaker and consultant for psychiatric educational programs.
Melissa’s practice is built on deep empathy, active clinical collaboration, and careful diagnosis. She is particularly passionate about helping adults with ADHD, sensory sensitivities, and treatment-resistant mood conditions discover genuine clarity and balance.
Lisa Johnson, PMHNP-BC, FNP-BC
Lisa Johnson is dual board-certified as both a Psychiatric Mental Health Nurse Practitioner (PMHNP) and a Family Nurse Practitioner (FNP). She earned her Bachelor of Science in Nursing from Ryerson University in Toronto, Canada, her Master’s degree from Loma Linda University, and completed her post-master’s psychiatric specialization at Western University of Health Sciences.
Holding dual certifications allows Lisa to evaluate emotional and psychiatric symptoms through an integrative physical and biochemical lens. She understands the profound bidirectional relationship between physical health (such as sleep disorders, hormonal shifts, and chronic metabolic stress) and psychiatric well-being.
Lisa is known for her warm, down-to-earth demeanor, patient education, and focus on sustainable, long-term mental wellness.
Charinette Gamboa, PMHNP-BC
Charinette Gamboa is a board-certified psychiatric nurse practitioner devoted to guiding patients through life’s emotional challenges with empathy and practical medical expertise. She specializes in outpatient psychiatric evaluations, mood stabilization, and anxiety management.
Charinette believes that successful psychiatric care begins with genuine listening. She prioritizes client autonomy, ensuring that every individual understands the mechanism, benefits, and expected timeline of any recommended medication.
Her clinical interests include adult ADHD evaluations, coping with major life transitions, postpartum mood support, and trauma-informed psychiatric care.