Bipolar disorder therapists & psychiatrists in Corona, CA

Hi, I'm Cassie (Cassandra), a board certified Psychiatric Mental Health Nurse Practitioner with over five years of experience in mental health care.

I believe mental health treatment should feel supportive, collaborative, and free of judgment. Every person has a unique story, and I take the time to listen, understand your goals, and create a treatment plan tailored to your individual needs.

I specialize in the treatment of anxiety, depression, ADHD, stress, burnout, sleep concerns, and other common mental health conditions. Through thoughtful psychiatric evaluation and medication management, my goal is to help you find clarity, restore balance, and move forward with confidence.

Whether you are seeking support for the first time or looking for a fresh approach to your mental health care, I strive to provide a comfortable and welcoming space where you feel heard, respected, and supported.

I look forward to partnering with you on your journey toward improved mental wellness and helping you build the tools needed to thrive in everyday life.

There is something different about talking to someone who actually understands your world. I work with adults navigating anxiety, depression, grief, trauma, life transitions, and challenges with identity and how they see themselves, and I offer sessions in both English and Haitian Creole. I bring particular care to clients from Haitian and Caribbean backgrounds and to women navigating the emotional weight of motherhood, loss, and everything in between. With more than 15 years of experience, I have seen what becomes possible when people feel genuinely seen and free to show up exactly as they are.

I am a board-certified Psychiatric Mental Health Nurse Practitioner and Family Nurse Practitioner with over 15 years of experience in healthcare. I work with adolescents, teenagers, and adults navigating anxiety, depression, stress, trauma, mood disorders, life transitions, and emotional burnout.

My goal is to create a safe, supportive, and judgment-free environment where clients feel heard, respected, and empowered. I understand that mental health is deeply connected to daily life, relationships, culture, and personal experiences, and I take a compassionate, whole-person approach to care.

Life's challenges can sometimes feel overwhelming, whether you're struggling with anxiety, depression, relationship concerns, grief, or the transitions that come with different stages of life. You don't have to navigate these experiences alone. My goal is to provide a safe, supportive, and judgment-free space where you can feel heard, understood, and empowered to move toward meaningful change from an eclectic evidenced based approach that promotes hope, stability, and wellness, including faith-based perspective.

I specialize in working with adults and older adults experiencing anxiety, depression, grief and loss, intimate relationship conflict, and couples counseling.I believes my purpose is to assist individuals to live life healthy and with hope.

I have extensive experience with substance abuse, holding a previous Certified Alcohol Drug Certificate (CADC) in Illinois, previous certification as an Emergency Services Prescreener with mental health, certified as a Clinical Trauma Professional, trained in level 2 of the Gottman Couples Method, experienced with anxiety, depression, grief & loss, and intimate relationship conflict. I received an outstanding excellent therapy award in 2021 and am committed to lives being changed. I am inspired daily by my husband, two adult children, and in love with my five grandchildren. In my spare time I love exercising, running miles, and reading educational/spiritual literature to keep myself sharp to assist others in sharpen themselves.

If you’re a young adult wrestling with racing thoughts, sadness, hopelessness, or loneliness, you’ve found a safe place to land. I specialize in supporting young adults navigating anxiety, depression, trauma, big life transitions, and self-esteem struggles. Whatever you’re carrying, you can show up exactly as you are here, in a warm, supportive, and completely nonjudgmental space where you never have to pretend to be okay.

My name is Dianne Fontaine, MSN, APRN, and I'm a Licensed Psychiatric Mental Health Nurse Practitioner, Board Certified (PMHNP-BC) by the American Nurses Credentialing Center (ANCC). I obtained my Master’s Degree from Walden University and has undergone advanced clinical training, equipping me to assess, diagnose, and treat a spectrum of psychiatric illnesses, as well as provide psychotherapy.