

Find mental health support in Saint Augustine with 1,015 licensed providers ready to help. From downtown's historic district to Riverside neighborhoods, Headway connects you with therapists offering virtual or in-person sessions. Many patients pay as low as $0 per session with insurance coverage.
I provide compassionate, patient-centered psychiatric care in a safe and nonjudgmental environment. I work collaboratively with clients to understand their needs and develop individualized, evidence-based treatment plans. I am committed to confidentiality, cultural sensitivity, and clear communication, with the goal of supporting each client’s mental health and overall well-being.
I am a board-certified Psychiatric Nurse Practitioner and the founder of InnerGrowth Psychiatry and Wellness, where I provide compassionate, evidence-based care through both medication management and psychotherapy. My approach is rooted in the belief that healing is deeply personal, and each individual deserves to feel seen, heard, and supported without judgment.
I specialize in treating depression, anxiety, mood disorders, stress, and life transitions. I also support individuals navigating relationship challenges, social anxiety, and feelings of loneliness. My style is collaborative and patient-centered, I don’t believe in a “one-size-fits-all” approach. Instead, I work closely with you to understand your unique experiences, goals, and values, and we build a treatment plan together that feels right for you.
Clients often describe me as warm, attentive, and easy to talk to. I create a safe and supportive space where you can be open and honest, whether you’re seeking clarity, emotional healing, or personal growth. I integrate therapeutic techniques with thoughtful medication management when appropriate, ensuring that care is both holistic and effective.
My strength lies in my ability to balance clinical expertise with genuine human connection. I am deeply committed to helping you gain insight, develop coping strategies, and move toward a more balanced and fulfilling life.
Taking the first step toward mental wellness can feel overwhelming, but you don’t have to do it alone. I’m here to support you every step of the way.
Hi, I’m a board-certified psychiatric nurse practitioner with over 20 years in healthcare.
I work with adults to navigate anxiety, depression, and life transitions using a supportive and practical approach.
My style is collaborative—I meet you where you are and help you build tools that actually work in your daily life.
You can expect a space where you feel heard, respected, and empowered to move forward.
Diana Lankenau has a Master of Science in Nursing from Florida State University and Chamberlain University. She has a Bachelor's in nursing from University of Miami. BA in Psychology from Florida International University. She is Board Certified Psychiatric Mental Health Nurse Practitioner (PMHNP-BC) and Family Nurse Practitioner (FNP-BC).
As a board-certified Psychiatric-Mental Health Nurse Practitioner, I am dedicated to providing compassionate, evidence-based mental health care to individuals across the lifespan focusing majorly in adults. I bring a holistic and integrative approach to treatment—addressing both emotional and physical well-being
I prioritize creating a comfortable, safe, and accepting environment from the very first session. I approach each individual without judgment and with genuine care for their personal story. Clients can expect professional, friendly, and empathetic communication that respects their unique experiences and emotions. My core belief is that healing begins with acceptance and active listening.


Headway makes it easy to find support for your mental health — from finding the right provider, to understanding costs, to scheduling with ease.
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