Find a psychiatrist in Simi Valley, CA — covered by insurance

I am a Psychiatric Mental Health Nurse Practitioner (PMHNP) who provides compassionate, evidence-based care for adults. My approach is clinical, trauma-informed, and whole-person; I look beyond symptoms alone and consider the many parts of life that shape mental health. I believe care should feel collaborative, supportive, and not overwhelming. My goal is to help you feel understood while creating a treatment plan that fits your life, values, and goals. Whether you are seeking medication management, in-office IV or IM ketamine treatment, or support through a difficult season, I want you to feel safe, respected, and empowered.

Hello! I provide psychiatric evaluations and medication management for children (6+), teens, adults, and seniors. Life can feel overwhelming when anxiety, depression, ADHD, or bipolar mood swings affect your energy, focus, relationships, and daily life. I believe mental health care should feel supportive, comfortable, and personalized. As a board-certified PMHNP with over five years of experience, I help individuals struggling with anxiety, depression, ADHD, autism, bipolar disorder, OCD, PTSD, eating disorders, schizophrenia, and other mental health concerns.

I am a board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP-BC) providing compassionate, integrative psychiatric care in California, Utah, and Washington via telehealth, and in-person in Rocklin, California.

I work with adolescents and adults navigating anxiety, depression, ADHD, OCD, bipolar disorder, trauma, burnout, stress, sleep problems, and perinatal and postpartum mental health. If something feels off and you're not sure where to start, you're in the right place.

I provide evaluation and medication management using a trauma-informed approach that considers your sleep, stress, lifestyle, and history. I collaborate with therapists and other providers to support coordinated, patient-centered treatment.

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.