

Navigating mental health in Oak Brook is easier with Headway. Our network includes 284 diverse, inquisitive providers ready to support you through anxiety, relationships, grief, and more. Many offer free intake calls and have availability as soon as tomorrow.
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).
Mental health has been an important part of my journey from the very beginning. I graduated from the University of St. Francis while working in inpatient behavioral health, where I learned how meaningful it is to meet people with kindness, patience, and understanding during difficult moments. I spent time working in medical-surgical settings to broaden my experience, but I was drawn back to mental health because it’s where I feel most connected to my work.
I provide care through telehealth and aim to make virtual visits feel as comfortable and easy as possible. I know it can take time to feel at ease talking through a screen, and I focus on creating a space that feels supportive, relaxed, and judgment-free. I take a collaborative approach, listening closely and working with you to find treatment options that fit your needs and your life.
I work with children, adolescents, and adults experiencing anxiety, depression, ADHD, OCD, mood disorders, and related concerns. My goal is for you to feel heard, respected, and supported as we work together toward feeling better and more balanced in your day-to-day life.
Welcome! My name is Kandice Hightower, and I am a dual board certified nurse practitioner specializing in family and psychiatric mental health. With over 18 years of experience as a nurse, I am dedicated to providing compassionate, knowledgeable care to every person I work with. I have experience treating ADHD, Depression, Anxiety, and Bipolar Disorder, and I truly enjoy helping clients feel understood, supported, and empowered. If you are ready to take the first step, I would be happy to support you on this journey. Book today!
I completed medical school at USF in Tampa, Florida and I completed psychiatry residency at GW in Washington, DC. I specialize in depression and anxiety.
If you’re feeling overwhelmed, constantly stressed, or like you’ve lost your sense of joy in everyday life, you’re not alone. Many of my clients come to me struggling to focus, manage their mood, or keep up with work and home responsibilities. I specialize in ADHD, bipolar disorder, and anxiety/depression for all individuals including perinatal/post-partum, and I provide convenient telehealth care for adults across Illinois so you can get support from the comfort of your own space.
With over 12 years of experience in nursing and behavioral health, I provide comprehensive psychiatric evaluations and medication management for adolescents, and adults ages 12 and older. My clinical interests include anxiety disorders, depression, bipolar disorder, trauma-related conditions, stress-related concerns, and mood disorders.











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 Oak Brook starts with understanding the kind of care you need. Psychiatrists and psychiatric nurse practitioners can diagnose mental health conditions, prescribe medication, and manage psychiatric care. Therapists provide talk therapy and may work with you on patterns, coping skills, and life stressors. If you are looking for support with anxiety, depression, ADHD, bipolar disorder, obsessive-compulsive disorder, or medication management, review each psychiatrist’s listed specialties, training, and approach to see how closely they match your needs.
Oak Brook is a smaller market, so the closest psychiatrist to you may have limited in-person availability. Virtual psychiatry can expand your options across Illinois while still giving you access to care from home. Psychiatry appointments for medication management are often shorter and less frequent than therapy sessions, and some psychiatrists also offer therapy. Some people work with both a therapist and a prescriber. As you compare options, look at appointment availability, whether a free phone consultation is offered, and the psychiatrist’s bio to understand their communication style and session structure before booking.
Psychiatric care in Oak Brook can be a significant expense without insurance. Using in-network insurance is one of the most reliable ways to reduce session costs and understand what you may pay before your first appointment. Headway helps you search for psychiatrists in Oak Brook who are accepting new patients, enter your insurance details, see estimated out-of-pocket costs, and book directly when you are ready.
If you're already taking psychiatric medication and considering switching providers, talk to your current prescriber before changing or stopping any medication — most psychiatric medications shouldn't be stopped abruptly. Anyone experiencing thoughts of self-harm or in acute crisis should call 988 or go to the nearest emergency department rather than wait for an outpatient appointment.
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