Book a therapist or psychiatrist in Thousand Oaks, CA covered by United Healthcare

I am dual board-certified as a psychiatric-mental health nurse practitioner and family nurse practitioner with a passion for functional medicine. I believe mental health is best addressed by looking at the whole person—mind, body, and soul. I’ve been working in healthcare for over 20 years. Through my experience in mental health, I have the privilege of working with adults aged 21–60. I support individuals navigating anxiety, depression, ADHD, PTSD, OCD, mood disorders, and eating disorders, offering a safe and respectful space for growth and healing.

Welcome!

Please message me for my availability!

My goal is to create safety, trust, and openness on your path to healing. I have been practicing for over 10 years and firmly believe that wellness is your investment in yourself.

Mi objetivo es generar seguridad, confianza y sinceridad en tu camino hacia la sanación. He estado ejerciendo la profesión durante más de 10 años y creo firmemente que el bienestar es una inversión en ti mismo.

I am a board-certified Psychiatric Nurse Practitioner with over 10 years in practice, in various settings, including outpatient, emergency department, and urgent care.

I want to be your partner in your wellness journey.

With over three decades of hands-on clinical and nursing leadership experience, I am a Doctorally prepared and Board-Certified Psychiatric Mental Health Nurse Practitioner. My professional journey has been devoted to helping individuals overcome emotional distress, regain control of their lives, and achieve mental and physical well-being.

With certification as a Psychiatric Mental Health Nurse Practitioner and a Doctorate in Healthcare Administration, I bring a holistic, integrative perspective to mental health. My practice philosophy blends evidence-based psychiatric medicine with empathy, respect, and patient collaboration. Healing begins with understanding, and I take time to listen, educate, and partner with my patients to develop individualized, sustainable treatment plans.

Dr. Adatsi has a clear mission: to provide comprehensive care that not only alleviates symptoms but also enhances quality of life, restores confidence, and promotes resilience. His commitment to your well-being is unwavering.

Whether you’re navigating life transitions, managing chronic stress, or seeking clarity amid emotional challenges, I’m here to guide you toward balance, stability, and renewed hope.

Specialties:

• Anxiety and Panic Disorders
• Depression and Mood Disorders
• ADHD (Adult and Adolescent)
• Trauma and PTSD
• Bipolar Disorders
• Sleep Disorders

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.

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.

I have a Masters in Clinical Psychology from Azusa Pacific University with Specialisation in Marriage and Family Therapy, a Bachelors in Psychology, Honours Bachelors Degree in Education (post grad) in School Guidance and counseling, Mediator and Divorce Mediator Certificate,SAT Teacher Certification and EMDR Certificate (Emdria)

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.