Find a psychiatrist in Ontario, CA — covered by insurance

I’m a doctoral-prepared, board-certified Psychiatric Mental Health Nurse Practitioner who works with clients across the lifespan. I earned my Doctor of Nursing Practice degree from the University of Arizona and have experience caring for individuals in outpatient, intensive outpatient, and higher-acuity mental health settings. My background includes treating anxiety, depression, ADHD, trauma-related concerns, OCD, mood disorders, and substance use. I take a thoughtful, practical, and individualized approach to care, with the goal of helping clients feel understood, safe, supported, and comfortable being honest when feeling emotionally vulnerable.

Hello, I'm Arch Jungers, PMHNP-BC, and I came to psychiatric care more than seven years as a psychiatric charge RN, leading care teams and sitting with patients in their most difficult moments, before becoming a Nurse Practitioner. I truly believe that together, we can solve any mental health problem. When I'm not here, I'm loving on my dogs, playing tennis, or bowling in my weekly league. I am looking forward to meeting you and seeing how I can be of service to you.

My goal is to create a space where you feel comfortable, understood, and supported. I know that seeking help for your mental health can take courage, and I deeply respect each person’s journey. I take time to listen, collaborate, and find a treatment plan that fits your individual needs and lifestyle. I value open communication and believe that healing happens best when we work together as a team.

After working 15+ years as an RN I am so excited to be making a difference as a provider of mental healthcare. Working from home allows me to offer better calendar flexibility to accommodate different schedules and to take care of my aging dogs at home!

I am compassionate and empathetic and here to help you reach your goals and become the best version of yourself.

During my training I worked primarily in community behavioral health. It is my goal to beneficially serve the community and provide support to those who need it while hoping to reduce barriers and stigmas that prevent people from getting the care they really need and deserve. Access is for everyone and I want to be a beacon of that message.

I have a certificate in Spanish for Healthcare Providers and as soon as I become a little more fluent I will be able to extend my services, accurately, into a second language.

I am a dual board-certified Nurse Practitioner specializing in both Family Practice and Psychiatric Mental Health. With a foundation in whole-person, evidence-based care, I integrate medical management with psychotherapy and lifestyle interventions to support mental and physical wellness.

My background spans outpatient psychiatry, primary care, home health, and assisted living settings, allowing me to understand the unique needs of patients across all stages of life. I have extensive experience treating mood and anxiety disorders, trauma-related conditions, and chronic medical comorbidities that impact emotional well-being.

I believe in creating a collaborative, compassionate, and culturally sensitive environment where patients feel heard and empowered to take an active role in their care. My approach focuses on building balance—supporting both the mind and body—through medication management, therapy, and integrative care strategies.

Hi, I’m Wendy Agyapong, a Psychiatric Mental Health Nurse Practitioner with a background in nursing and a passion for helping adults navigate depression, anxiety, and life’s daily stressors. I completed my master’s in nursing and have years of experience supporting individuals on their mental health journeys. My goal is to help you feel balanced, confident, and understood in every step of your care.

Welcome! I’m Sarah Stewart, and I specialize in medication management for adults dealing with depression, anxiety, ADHD, bipolar disorder, and other mental health conditions. Together, we’ll explore your goals, strengths, and patterns to create a treatment plan that feels personal and empowering. My approach blends evidence-based care with compassion and collaboration—helping you find both immediate relief and lasting stability. You deserve care that meets you where you are and helps you move toward a more grounded, confident version of yourself.

I provide a safe, supportive, and nonjudgmental space where we work together to understand your unique needs and goals.

I believe healing happens when patients feel seen, heard, and empowered. My role is to walk alongside you, offering tools, education, and medication management tailored to your individual journey.

I completed my training as a PMHNP in California and have experience in both emergency and outpatient mental health settings.

If you’re ready to take the next step in your mental health journey, I look forward to working together to build a plan that supports your well-being.

IMPORTANT: For current availability, visit https://mentalhealthpractitioners.com/ or call/text us anytime at 415-968-6515—we make it super easy! Intake forms are required before your first appointment and will be emailed to you when you book online. Please be sure to send us a picture of your insurance information and photo ID!

I'm Stephanie Patrick-Calvillo, a Board-Certified Psychiatric Mental Health Nurse Practitioner who believes mental health care should be accessible, compassionate, and tailored to each individual. Over the past 15+ years, I've worked with diverse populations—from adolescents facing their first mental health crisis to adults navigating complex psychiatric conditions, and seniors experiencing cognitive and emotional challenges.

My practice is grounded in the belief that effective treatment goes beyond symptom management. I take time to understand your unique story, your strengths, and the factors that shape your mental health. Whether you're dealing with a new diagnosis or have been managing symptoms for years, I meet you where you are with respect and without judgment.

I specialize in treating mood disorders, anxiety, psychotic disorders, personality disorders, substance use concerns, and behavioral issues related to dementia. I've completed advanced certification training because I'm committed to staying current with evidence-based treatments—ensuring you receive care that reflects the latest research.

Beyond clinical work, I'm passionate about mentoring the next generation of healthcare providers. I've mentored nursing and nurse practitioner students from multiple universities, which keeps me grounded and reminds me why this work matters.

When you work with me, you're getting someone who genuinely cares, who's seen mental health challenges from many angles, and who believes deeply in your capacity for healing and growth.

Hello! I'm Amanda Long, a board-certified Psychiatric Mental Health Nurse Practitioner dedicated to serving families through compassionate, culturally sensitive mental health care. I earned my Master of Science in Nursing from Walden University and have been practicing as a PMHNP since 2019, with over a decade of nursing experience beginning in 2011. My educational foundation also includes a Bachelor of Arts from the University of Illinois in Springfield, which broadened my understanding of human behavior and community dynamics. My journey in mental health has taken me through diverse settings that have shaped my comprehensive approach to care. I've worked in psychiatric emergency services at a major hospital, 23-hour crisis stabilization units, outpatient clinics, correctional facilities, and forensic mental health centers, including fitness-to-stand-trial evaluations. This varied experience has equipped me to understand mental health from multiple perspectives and meet people wherever they are in their journey, whether they're facing an acute crisis or seeking ongoing support. I specialize in medication management for individuals across the lifespan—from children and adolescents to adults and older adults. My treatment areas include depression, anxiety, ADHD, bipolar disorder, trauma-related conditions, psychotic disorders, and other mental health concerns. I'm experienced in both telehealth and in-person care, making quality psychiatric services accessible and convenient for your lifestyle. What drives me is the belief that everyone deserves competent, caring mental health support that honors their unique background and circumstances. I'm committed to improving the communities I serve, one individual and family at a time, through evidence-based practice combined with genuine human connection. My approach centers on partnership and creating a safe environment for healing. I look forward to supporting you and your family's wellness journey.

I provide compassionate, evidence-based mental health care in a safe, judgment-free space.

Hi, I’m Linda Uzoukwu, a board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP-BC). I provide compassionate, personalized psychiatric care to adults.

I specialize in working with individuals experiencing anxiety, depression, stress, burnout, life transitions, and perinatal or postpartum mental health concerns. I understand that mental health challenges can affect every part of your life, and my goal is to help you feel heard, supported, and actively involved in your care.

IMPORTANT: For current availability, visit https://mentalhealthpractitioners.com/ or call or text us anytime at 415-968-6515—we make it super easy! Intake forms are required before your first appointment and will be emailed to you when you book online. You can text us your info or email us at [email protected]. Please be sure to send us a picture of your insurance information and photo ID!

Hi! I'm Christina Stelly, DNP, APRN, PMHNP-BC — a board-certified Psychiatric Mental Health Nurse Practitioner based in Martinez, CA. With over 15 years of clinical experience across inpatient psychiatry, maternal health, and advanced practice, I am deeply committed to delivering compassionate, evidence-based mental health care to every person I serve.

I specialize in treating schizophrenia, bipolar disorder, PTSD, depression, anxiety, etc.

My academic background includes a Post-Certificate DNP in Psychiatric Mental Health from the University of Illinois Chicago, a Doctorate of Nursing Practice from Texas Tech University, and a Master of Science in Nursing from Touro University. I also completed an intensive NP residency focused on advanced psychiatric care, crisis stabilization, and forensic psychiatry, which further strengthened my clinical expertise.

Earlier in my career, I specialized in maternal mental health, serving as a Patient Care Director for high-risk obstetric populations and contributing to perinatal mental health policy at the state and national levels. This background gives me a uniquely broad, whole-person perspective on psychiatric care across the lifespan.

My approach is grounded in trauma-informed, individualized care. I take time to fully understand your history, concerns, and goals before collaboratively building a treatment plan tailored to you. I have also served on health policy committees and presented at national nursing conferences, reflecting my commitment to psychiatric care.