Find a psychiatrist in Ontario, CA — covered by insurance

IMPORTANT: All clients must complete our intake form and sign our policies before their appointment.

Please complete these documents at https://intakeq.com/new/6oakjo/lusjbb or contact us at 602-800-4699 (call or text).

Please also email or text us a copy of your photo ID/driver's license at [email protected]

I'm Sherri Crespin, a board-certified Psychiatric Mental Health Nurse Practitioner specializing in complex mental health conditions in adults. With dual board certifications from the American Nurses Credentialing Center as both a Family Nurse Practitioner and Psychiatric/Mental Health Nurse Practitioner, I bring a comprehensive understanding of how mental and physical health intersect to create truly holistic care.

My clinical expertise includes treating trauma and PTSD, personality disorders, substance use disorders, and mood disorders such as depression, anxiety, panic disorder, and bipolar disorder. I'm experienced in managing complex medication regimens and other specialized treatments that require careful monitoring and expertise.

I earned both my Bachelor of Nursing and Master of Science in Nursing from the University of Texas at Austin, where I developed a strong foundation in evidence-based practice. What sets my practice apart is my commitment to treating the whole person—not just managing symptoms, but understanding your unique story, challenges, and goals.

Whether you're seeking psychiatric medication management or comprehensive treatment for multiple conditions, I create a safe, non-judgmental environment where you can openly discuss your concerns and actively shape your treatment plan. I also provide ESA letters when clinically appropriate.

I look forward to partnering with you on your journey toward improved mental health and lasting well-being.

I’m a Board-Certified Psychiatric Mental Health Nurse Practitioner who believes mental health care should feel human—not rushed or impersonal.

I provide a non-judgmental space where you can speak openly and feel understood. My approach integrates thoughtful medication management with psychotherapy when appropriate, always tailored to your individual needs.

Diagnosis can be an important part of understanding your experience, but it’s only one piece of the picture. I look at your mental, physical, and emotional well-being, as well as the life experiences that shape what you’re going through.

I offer collaborative, grounded care to help you move toward a more balanced, integrative, and holistic sense of well-being.

I am a Board Certified Psychiatric Mental Health Nurse Practitioner who provides compassionate, patient-centered, and evidence-based care. I strive to create a safe, nonjudgmental space where you feel heard and supported. Together, we develop personalized treatment plans focused on your goals, well-being, and long-term mental health.

Hi, and welcome! I am Joy Nnebe, a Psychiatric Mental Health Nurse Practitioner. I am thrilled you’re considering working with me.

I have 8 years of experience in psychiatric/mental health nursing, and I specialize in treating anxiety, depression, bipolar disorder, insomnia, trauma, and more, using approaches like CBT therapy and trauma-informed care. I aim to provide simple, non-judgmental, supportive, and personalized care to help you feel understood and empowered on your mental health journey.

I’m a board-certified Psychiatric-Mental Health Nurse Practitioner with over a decade of experience in mental health. I provide care in both English and Spanish. I enjoy helping people better understand their mental health and find treatment that works for them.

Hi, I’m Tina Chen, a Psychiatric Mental Health Nurse Practitioner dedicated to helping clients feel their best. I specialize in treating depression, anxiety, and ADHD, and I combine medication management with practical tools from CBT and positive psychology. With advanced training from California Baptist University and National University, I focus on creating a supportive, collaborative space where you can build confidence, resilience, and balance in your everyday life.

Hello, I'm Mindy. I'm a board-certified psychiatric mental health nurse practitioner with 16 years of clinical experience. My path has included military service, community health work in rural Morocco, and care across many settings, from intensive care to hospice. These experiences shape how I show up: with warmth, curiosity, cultural humility, and respect for everyone's story. I treat the whole person, not just the diagnosis.

That means taking time to dig into your history, what has worked, what has not, and what you actually want from your care. Whether that is medication management or medication management with therapy, we figure it out together.

I work with adolescents, adults, and older adults navigating anxiety, depression, ADHD, trauma, bipolar disorder, and life transitions including loss, chronic illness, major life changes, and times when you just cannot name what is wrong yet.

I’m Antionette Sob, a Board-Certified Psychiatric Mental Health Nurse Practitioner dedicated to empowering individuals to live fuller, more balanced lives. With over a decade of nursing experience and advanced training in mental health, I aim to provide safe, supportive, and compassionate care. I believe that everyone can heal and grow — sometimes we need the right tools and guidance.

I'm Jasmine Maniti, a Board-Certified Psychiatric Mental Health Nurse Practitioner dedicated to providing comprehensive, compassionate mental health care. With a Master of Science in Nursing from West Coast University and over six years of emergency and psychiatric nursing experience, I bring both clinical expertise and a deep understanding of mental health crises to my practice.

My clinical focus includes treating depression, anxiety, ADHD, bipolar disorder, and other mood and behavioral conditions. I conduct thorough psychiatric evaluations, develop individualized treatment plans, and provide evidence-based medication management tailored to each person's unique situation. For patients with treatment-resistant depression,

What sets my practice apart is my foundation in emergency nursing. Working in fast-paced emergency departments taught me to assess complex situations quickly, remain calm during crises, and provide care that addresses immediate needs while building toward long-term wellness. I understand that mental health concerns don't always follow a predictable path, and I'm equipped to support you through both stable periods and challenging times.

I offer convenient telehealth services, allowing you to access quality psychiatric care from the comfort of your own space. My approach emphasizes collaboration—I believe the best outcomes happen when we work together as partners in your care. I take time to listen, explain treatment options clearly, and ensure you feel empowered to make informed decisions about your mental health.

Whether you're seeking help for the first time or looking for a provider who truly understands the complexities of mental health treatment, I'm here to support you with expertise, empathy, and respect.

For up-to-date availability, please visit our website at mentalhealthpractitioners.com or call/text us at 415-968-6515.