

Find mental health support in Wantagh with 1,203 licensed providers across Long Island. Access talk therapy and medication management virtually or in-person, with many providers offering free consultations and availability within two weeks.
I am a Psychiatric-Mental Health Nurse Practitioner with over 20 years of nursing experience, including emergency care. I am passionate about mental health and providing holistic, patient-centered treatment through a combination of medication management and therapeutic support. My goal is to help patients feel heard, stabilized, and empowered in their care.
My name is Gillian Foster and I am a board-certified Nurse Practitioner with dual certification as a Family Nurse Practitioner and Psychiatric Mental Health Nurse Practitioner (DNP, FNP-BC, PMHNP-BC). I take a holistic approach to care, addressing both mental and physical health needs. I specialize in treating anxiety, depression, mood disorders, and stress-related concerns using evidence-based, individualized treatment plans. My approach is collaborative, supportive, and nonjudgmental, with a focus on helping clients feel heard, balanced, and in control of their well-being.
I am a board certified psychiatric nurse practitioner and I offer psychiatric services through Telehealth, allowing clients to attend appointments from the comfort and privacy of their own space.
Starting mental health care can feel overwhelming, and many people seek support when they feel stressed, stuck, or unsure how to cope. I provide a compassionate, nonjudgmental space where you can speak openly. Together, we’ll work to understand your challenges and develop strategies that support healing, resilience, and lasting emotional well-being.
I am a board- certified psychiatric nurse practitioner committed to compassionate, ethical, and individualized mental health care.
I am a Psychiatric Mental Health Nurse Practitioner serving clients in Texas, Maryland & New York. I work with diverse kinds of clients (Age 18 +) with different cultural backgrounds and mental health problems. I specialize in depression, anxiety, ADHD, PTSD, Insomnia, bipolar disorder, eating disorder, personality disorder and much more. I am a compassionate provider with a passion for patients with mental illness.
If you are feeling overwhelmed by anxiety, stuck in patterns of trauma, or exhausted by PTSD, healing is within reach. I am a compassionate psychiatrist whose practice is informed by a social-work lens. This means I look at the big picture—how social, environmental, and biological factors impact your mental health. My goal is to guide you from a place of survival to thriving. I provide careful diagnostic assessments and tailored treatment plans that respect your preferences, helping you safely process the past and reclaim control over your future wellbeing.











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 Wantagh starts with understanding the type of mental health care you want to book. Psychiatrists and psychiatric nurse practitioners can diagnose mental health conditions, prescribe medication, and support medication management. Therapists provide talk therapy and support through other clinical approaches. If you’re looking for care for anxiety, depression, ADHD, bipolar disorder, or OCD, review each psychiatrist’s listed specialties, training, and care focus to see whether their background matches your needs.
In a smaller Long Island community like Wantagh, local psychiatry options may be more limited than in larger nearby areas, so virtual appointments can help expand your search. Psychiatric appointments for medication management are often shorter and less frequent than therapy sessions, though some psychiatrists also offer therapy. Some people work with both a therapist and a prescriber. As you compare options, look at appointment availability, whether the psychiatrist offers virtual or in-person visits, and whether a free phone consultation is available. Reading bios can also help you understand communication style, areas of focus, and what to expect before booking.
Psychiatric care in Wantagh can be a significant expense without insurance. Using in-network coverage is one of the most reliable ways to lower out-of-pocket costs. Headway helps you find psychiatrists who are accepting new patients, match your insurance, and offer upfront cost estimates before you book. You can browse profiles, compare availability, 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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