Find a psychiatrist in Holbrook, NY — covered by insurance


Top psychiatrists in Holbrook, NY accepting new patients
Find mental health support in Holbrook, NY across neighborhoods like Central Islip, Ronkonkoma, and Lake Grove. Headway connects you with 1,344 licensed providers offering virtual and in-person sessions. With insurance coverage and sessions starting as low as $0, quality care is accessible and affordable.
Hello! My name is Cathy Randolph and I am a Board-Certified Mental Health Nurse Practitioner. I developed my passion for mental health during my journey working with veterans in residential PTSD and Substance abuse programs. My specialties include, but are not limited to treating and managing PTSD, Substance abuse, ADD/ADHD, anxiety, depression, mood disorders, and adjustment disorder. I am also a Medicinal Marijuana clinician.
Hi, I'm Jean-Jeffrey Marcellus, DNP, PMHNP-BC, AGNP-BC, a board-certified Psychiatric Mental Health Nurse Practitioner with over 19 years of healthcare experience. I provide compassionate, evidence-based care for adults experiencing ADHD, anxiety, depression, insomnia, and substance use disorders.
I specialize in Medication-Assisted Treatment (MAT) for alcohol, opioid, benzodiazepine, kratom, and prescription medication dependence. My approach is collaborative and personalized, focusing on creating treatment plans that support each individual's goals, recovery, and overall well-being.
I offer both in-person and telehealth appointments, providing a welcoming, judgment-free environment where patients feel heard, respected, and empowered. I am committed to delivering culturally responsive care and making high-quality mental health services accessible to individuals from diverse backgrounds.
I am dual board-certified as a Psychiatric Mental Health Nurse Practitioner and Family Nurse Practitioner. After several years of clinical practice, I earned my doctoral degree in 2021. My experience spans both behavioral and family health settings, including hospital-based behavioral health units, partial hospitalization programs, and intensive outpatient care.
I specialize in the diagnosis and treatment of a wide range of mental health conditions, including ADHD, depression, anxiety, bipolar disorder, OCD, panic disorder, and PTSD. My approach is grounded in evidence-based practice and emphasizes holistic, collaborative care.
Together, we will develop a personalized treatment plan tailored to your unique needs, goals, and values through a shared decision-making process.
I am committed to creating a supportive, nonjudgmental environment and to addressing disparities in mental health care. If you’re struggling, you don’t have to go through it alone. I’m here to support you with compassion, expertise, and care.
About our psychiatrists serving Holbrook, NY



- 99%Anxiety
- 99%Depression
- 83%PTSD
- 81%ADD/ADHD
- 78%Bipolar disorder

- 99%Aetna
- 96%Cigna
- 89%Carelon Behavioral Health
- 88%Anthem Blue Cross and Blue Shield New York
- 67%United Healthcare

- 98%English
- 8%Spanish
- 4%Haitian Creole
- 3%French
- 3%Hindi

- 93%Online only
- 6%In-person or online

- 74%Woman
- 26%Man

- 89%Nurse Practitioner
- 9%Medical Doctor
- 1%Doctor of Osteopathic Medicine

- 95%Individual therapy
- 16%Family therapy
- 6%Couples therapy
- 5%Child or adolescent therapy
Frequently asked questions


Find the right psychiatrist for you
Headway makes it easy to find support for your mental health — from finding the right provider, to understanding costs, to scheduling with ease.
Factors to Consider When Choosing a Therapist in Holbrook
Finding psychiatrists in Holbrook starts with understanding the kind of care you want to search for. Psychiatrists and psychiatric mental health nurse practitioners can diagnose mental health conditions and prescribe medication; therapists focus on talk therapy. Psychiatric care may include an evaluation, medication management, and follow-up visits to review how care is going. People often search for psychiatry for concerns like anxiety, depression, ADHD, bipolar disorder, and obsessive-compulsive disorder. As you compare options, look for a psychiatrist whose listed specialties, clinical focus, and experience match what you want support with.
Holbrook is a smaller Long Island community, so nearby in-person psychiatry options may span surrounding areas like Ronkonkoma, Central Islip, Lake Grove, and other parts of Suffolk County. Virtual appointments can also make it easier to find a psychiatrist who fits your schedule and clinical needs. Medication management visits are often shorter and less frequent than therapy sessions, while some psychiatrists also offer therapy. Some people work with both a therapist and a prescriber. Before booking, read each psychiatrist’s profile for details on availability, appointment format, communication style, and whether they offer a free phone consultation.
Psychiatric care in Holbrook 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 care begins. Headway helps you search for psychiatrists, verify your benefits, and see estimated out-of-pocket costs before you book. You can enter your insurance details on Headway to confirm coverage available in your area. Every psychiatrist listed is accepting new patients, making it easier to compare profiles, check fit, 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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