

Looking for therapy in Frankfort? Headway's network of 271 providers offers flexible in-person and virtual sessions. Many clients save an average of 75% on sessions through insurance coverage, with some paying as little as $0 per visit.
I'm a board-certified psychiatric-mental health nurse practitioner with over 10+ of experience in the mental health field, and 3 years as a psychiatric mental health nurse practitioner. I founded Isimi Health & Wellness to provide thoughtful, evidence-based psychiatric care rooted in compassion, cultural humility, and a deep respect for the mind-body connection. My clinical background spans across PHP/IOP settings, Outpatient psychiatry, TMS, and telepsychiatry. I’ve worked with diverse populations experiencing anxiety, depression, trauma, mood disorders, and life transitions. Whether you're seeking support for mood instability, clarity around your medication options, or a space to reset and realign, I’m honored to walk alongside you on your wellness journey.
Hi, I’m Gretchen, a board-certified Psychiatric-Mental Health Nurse Practitioner (PMHNP, ANCC) with a Master of Science in Nursing from Lewis University. I work with individuals, teens, and families navigating anxiety, depression, trauma/PTSD, ADHD, and substance use concerns, providing care in both English and Spanish. I bring experience from emergency departments, inpatient units, outpatient clinics, and private practice, and I strive to create a safe, judgment-free space where clients feel heard, respected, and supported. I value collaboration and flexibility, tailoring each session to your needs so you can feel empowered to make meaningful changes.
My nursing career began in 2010 when I first became a Registered Nurse. In 2017 I graduated from Maryville University in St. Louis, MO with my master’s degree in nursing and became a board-certified Family Nurse Practitioner (FNP-C) licensed in Illinois. I have been blessed to work in many facets of healthcare since and has also become a board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP-BC). With a strong foundation in both primary care and mental health, my approach aligns overall wellness and hormone optimization with physical, mental, and lifestyle well-being.
Choosing the right provider is a big step, and I'm here to offer a unique blend of expertise and genuine support. I'm a dual board-certified Psychiatric-Mental Health Nurse Practitioner (PMHNP) and Family Nurse Practitioner (FNP), and a Certified Advanced Practice Addictions Nurse. What does this mean for you? It means I can offer truly integrated care, understanding how your physical and mental health are connected, and providing specialized support for addiction.
I've spent 14 years helping people navigate their mental health. I believe you deserve a provider who truly knows you — not just your chart. I offer both in-person and telehealth appointments, so you can choose what works best for your schedule and your life. My work centers on psychiatric evaluation and medication management, and I take the time to fully understand what's going on before any treatment decisions are made. I'm direct, accessible, and committed to being a steady, consistent presence in your care.
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).
I seek to provide culturally affirming, holistic care that integrates the mind, body, and spirit. As a multicultural, neurodivergent psychiatrist and daughter of immigrants raised in Chicago, I bring both clinical training and lived experience to our work together. My own journey through burnout and the process of learning to slow down and listen to what my body needed has also shaped the care I provide. It has grounded me in genuine curiosity, humility, and a deep respect for the wisdom you already carry.
I am a Psychiatric Nurse Practitioner (PMHNP) who believes that true and lasting healing happens when we treat the whole person—mind, body, and spirit—not just symptoms. I approach each patient with compassion, curiosity, and deep respect, ensuring you feel empowered to explore your healing journey in a safe and supportive space.
I'm a psychiatric nurse practitioner with several years of experience, now building my own private practice so I can give each person the focused, personalized care they deserve. I work with people navigating anxiety, depression, and PTSD — conditions that can feel isolating, but often respond well to the right support and the right provider. I offer telehealth appointments, including evenings and weekends, so getting care fits into your life rather than the other way around. Whether you're looking for medication management, ongoing mental health support, or simply a place to start, I'm here to walk alongside you every step of the way.











Headway makes it easy to find support for your mental health — from finding the right provider, to understanding costs, to scheduling with ease.
Finding the right psychiatrist in Frankfort, IL starts with understanding what kind of care you need. Psychiatrists are medical doctors who can diagnose mental health conditions, prescribe medication, and monitor how those medications are working over time. If you're looking for help with anxiety, depression, ADHD, bipolar disorder, or another mental health concern, a licensed prescribing provider may be able to discuss care options based on your needs. Both provider types are available through Headway.
Frankfort is a close-knit community in Will County, and local options for psychiatric care can be limited. Virtual appointments make it possible to connect with a broader range of licensed providers from home, while some providers also offer in-person sessions in the surrounding area. When evaluating a provider, consider their experience with your specific concerns, their approach to care, and whether their availability works with your schedule. Reading a provider's bio before booking can help you feel more confident about the match.
Psychiatry sessions can be expensive out of pocket, but using your in-network insurance benefits is one of the most reliable ways to reduce costs. On Headway, you can enter your insurance details to see estimated session costs before you book, and many patients pay as little as $0 per visit. Nationally, Headway partners with over 100 insurance plans, making it easier to find a psychiatrist in Frankfort who fits both your clinical needs and your budget.
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