Find a psychiatrist in Surprise, AZ — covered by insurance

Dr. Vandenberg has over 25 years of experience in mental health treatment. As a board certified advanced nurse practitioner with a clinical doctorate, Dr. Vandenberg has extensive training providing psychiatric medication management for all ages.

​

​With a background in both family practice and psychiatric mental health, Dr. Vandenberg recognizes the importance of treating the whole person, mind and body. She received her Bachelors of Science in Nursing from the University of Virginia and her Masters of Science in Nursing Education from Mercer University. Dr. Vandenberg went on to receive her post Masters of Science as a family nurse practitioner (FNP), psychiatric mental health nurse practitioner (PMHNP) and a Doctorate in Nursing Practice (DNP) at the University of Tennessee.

Dr. Vandenberg has practiced in a variety of psychiatric, integrated care and academic settings. Her research interests include integrative care , binge eating disorder and non suicidal self injury across the lifespan.

​

My approach to care integrates psychotherapy with medication management. I provide therapy for patients whose psychiatric medications I also manage, allowing for a coordinated and personalized treatment plan that supports both emotional and medical aspects of mental health.

With over 20 years of experience as a Women’s Health Nurse Practitioner and now as a Psychiatric Nurse Practitioner, I am deeply committed to delivering compassionate, comprehensive care tailored to each individual’s unique needs. My approach integrates physical and mental health to support the whole person.

I specialize in:

• Mental health evaluations and medication management
• Medication-Assisted Treatment (MAT) for substance use disorders
• Gender-affirming hormone therapy

I am dedicated to creating a safe, respectful space where all individuals feel heard, supported, and empowered on their journey to wellness.

Sleep is one of the most vital components of both mental and physical well-being. I’m passionate about helping people improve their sleep quality through evidence-based, personalized care. I provide in-depth diagnosis and treatment for a wide range of sleep disorders, with a special focus on Cognitive Behavioral Therapy for Insomnia (CBT-I)—the gold standard, non-medication approach to treating chronic insomnia. Whether you're struggling to fall asleep, stay asleep, or wake up feeling refreshed, I’m here to help you reclaim restful, restorative sleep.

You can contact me at [email protected] with questions.

I’m a psychiatric nurse practitioner dedicated to providing thoughtful, patient-centered mental health care. My background includes working with individuals across the lifespan, with a focus on anxiety, depression, ADHD, and mood disorders. I’m passionate about creating a supportive space where clients feel heard, understood, and respected. I value building strong relationships and helping clients feel comfortable being themselves in the process.

Taking the first step is hard — my job is to make it easier. I provide supportive, personalized medication management for ADHD, anxiety, depression, bipolar disorder, and more.

Are you feeling overwhelmed, unfocused, or not like yourself? Anxiety, depression, ADHD, trauma, and mood changes can interfere with work, school, and relationships — even when you’re trying your best to manage.

Also, are you feeling lost or overwhelmed by life transitions, relationship challenges, or past experiences? If worry, guilt, or self-doubt are affecting your happiness and relationships, you don’t have to face it alone.

Reach out to Mentis Psychiatric Services—we offer both in-person and telehealth appointments to support your healing and growth.

I’m a board-certified Psychiatric Mental Health Nurse Practitioner providing thoughtful, evidence-based medication management for teens and adults (6+).

Down to earth and very open minded. I believe in complete transparency and accountability.

I am, Girija Menon, a certified Psychiatric NP and Doctor of Nursing Practice (DNP) dedicated to guiding you through your mental health journey. In a world that often feels overwhelming, my primary goal is to create a safe, non-judgmental space where you can explore your challenges and build resilience. My practice is rooted in deep empathy and a commitment to patient-centered care ensuring that every conversation is heard, understood, and met with profound compassion.

With expertise in complex areas: depression, mania, PTSD, psychosis and trauma recovery, I integrate evidence-based therapies including CBT and mindfulness techniques, with a holistic understanding of your unique life context. My DNP background allows me to look beyond immediate symptoms to help you develop sustainable coping strategies and build a life plan that support lasting well-being.

Tele psych services offer the flexibility you need, allowing you to access expert psychiatric support from anywhere. Let's work together to navigate uncertainty, find clarity, and discover your strength.

Ready to take the first step? Schedule a confidential consultation today.

My name is Dianne Fontaine, MSN, APRN, and I'm a Licensed Psychiatric Mental Health Nurse Practitioner, Board Certified (PMHNP-BC) by the American Nurses Credentialing Center (ANCC). I obtained my Master’s Degree from Walden University and has undergone advanced clinical training, equipping me to assess, diagnose, and treat a spectrum of psychiatric illnesses, as well as provide psychotherapy.

I’m a board-certified Psychiatric Mental Health Nurse Practitioner with experience working in both inpatient and outpatient settings across Arizona. I’ve worked closely with individuals experiencing anxiety, depression, trauma, bipolar disorder, and more complex mental health challenges. My background includes crisis work, outpatient care, and medication management, allowing me to meet you in both difficult seasons and times of growth. I’m passionate about providing supportive, evidence-based care that meets you where you are.