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

I am a board-certified Psychiatric mental Health Nurse Practitioner (PMHNP) with over 9 years of experience in mental health care as a Psychiatric Registered Nurse. I graduated with honors and am passionate about providing compassionate, evidence-based care to individuals across the lifespan. My clinical experience includes working with patients experiencing depression, anxiety, mood disorders, and severe mental illness in both inpatient and outpatient settings.

You’re capable and use to managing a lot, but lately life feels overwhelming.

I’m Ashley Walay, LICSW, and I work with BIPOC women and LGBTQ+ individuals, professionals, single parents, and military-connected individuals (including spouses, veterans, contractors, and civilian employees) experiencing anxiety, depression, trauma, burnout, chronic stress, and life transitions.

I value clear, direct communication and tailor therapy to your needs, whether you want tools or space to process. Together, we’ll work toward greater clarity, balance, and confidence.

As a Psychiatric Mental Health Nurse Practitioner (PMHNP), I’m trained at the graduate level in mental health care across the lifespan. I assess mental health concerns, diagnose conditions, prescribe and manage psychiatric medications, and provide psychotherapy. I also coordinate care with therapists, primary care providers, and other specialists as needed.

I am a licensed marriage and family therapist. As a culturally competent therapist, my mission is to empower individuals to harness their inner strength and create transformative change in their lives.

Robert Troy Vander Zwart obtained his Master's Degree at Gordon Conwell Theological Seminary and has over 25 years of experience. Prior to beginning in his private practice Troy worked in a variety of clinical settings. Troy's specialty is counseling individuals with symptoms of depression and anxiety and who have experienced trauma. He also has a passion for couples counseling, marriage and pre-marriage counseling, and family therapy.

As a Nurse Practitioner, I believe healthcare should be a partnership, not a prescription. My approach combines advanced clinical skills with a deep commitment to patient advocacy, ensuring every individual has the tools and confidence to take charge of their health. I specialize in creating personalized treatment plans that honor the whole person — mind, body, and spirit. Whether I’m diagnosing, prescribing, or simply listening, my mission is to make every patient feel seen, heard, and cared for. I strive to turn sessions into moments of trust, learning, and hope."

I am board certified in Family Practice as well as Psychiatry and have been in practice for 25 year. I work with mental health issues such as depression, anxiety, sleep disorders, bipolar disorder, as well as address physical symptoms or issues that may affect mental health. I hold a Doctorate degree in education and Master Degrees in Advance Practice Nursing and education.

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.

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