

Headway brings accessible mental healthcare to Arlington Heights residents across all neighborhoods. With 282 providers trained in evidence-based approaches, we support your mental wellness through flexible scheduling, insurance coverage options, and personalized care plans.
I believe quality mental health care starts with feeling heard and respected. I take a collaborative, patient-centered approach and work to understand the whole person, not just symptoms. My goal is to provide a supportive, nonjudgmental space while offering thoughtful, evidence-based psychiatric care tailored to each individual’s needs.
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.
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).
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.
I have a doctorate degree in nursing from Maryville University St Louis, Missouri. I have clinical experience in mental health services of over ten years. I excel in psychiatric evaluation and medication management,enhancing patient well-being through expert care and cultural competent practices.











Headway makes it easy to find support for your mental health — from finding the right provider, to understanding costs, to scheduling with ease.
Finding psychiatrists in Arlington Heights starts with knowing which type of mental health care fits your needs. Psychiatrists and psychiatric mental health nurse practitioners can diagnose conditions and prescribe medication, while therapists focus on talk therapy. If you’re looking for support with anxiety, depression, attention-deficit/hyperactivity disorder, bipolar disorder, obsessive-compulsive disorder, or medication management, psychiatric care may be one option to consider. Review each psychiatrist’s listed specialties, background, and care focus to see whether their training matches what you want help with.
Arlington Heights has local psychiatry options, but availability can vary by schedule, location, and appointment type. Virtual appointments can expand your choices beyond nearby offices while still helping you stay within your insurance network. Psychiatric medication management visits are usually shorter and less frequent than therapy sessions, though some psychiatrists also offer therapy. Some people work with both a therapist and a prescriber, so it can help to read bios for details on appointment structure, communication style, and whether a free phone consultation is offered.
Psychiatric care in Arlington Heights can be a significant expense without insurance. Using in-network coverage is one of the most reliable ways to reduce session costs and understand what you may pay before booking. Headway helps you search for psychiatrists who are accepting new patients with your plan, compare profiles, see estimated out-of-pocket costs upfront, and book directly when you’re 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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