Find a psychiatrist in Great Neck, NY — covered by insurance

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 a Daughter, Sister, Mother, & Ally.
• I was educated at the Hunter Bellevue School of Nursing in Manhattan, New York City, NY.
• My background is in Psychiatric & Correctional Healthcare.
• I offer Specialized ADHD/Autism 1:1 Weekly Coaching, Leucovorin & FRAT testing!
• Also, Medication Management, Talk Therapy, Goal Setting, Time Management, Fertility Support, Special Education Advocate, Weight Management, Confidential Religious Crisis Guidance.

I am a Double Board-Certified nurse practitioner specializing in psychiatric mental health and family health. As a dedicated psychiatric nurse practitioner, I use an integrative and holistic approach to mental health. As a family nurse practitioner, I take into consideration how physical health impacts mood and relationships. I employ evidence-based medication management. Together, we can pinpoint what's causing you stress and navigate towards a balanced state. I employ brief supportive psychotherapy in every session to help patients manage their emotions, particularly those dealing with chronic illnesses or experiencing high levels of stress. By offering empathy and validation, I aim to strengthen coping mechanisms, boost resilience, and enhance overall mental well-being.

I’m Linda Orji, a Board-Certified Psychiatric Mental Health Nurse Practitioner (PMHNP) with over Eleven years of experience in health care. I earned my Master of Science in Nursing from the University of Rochester in Rochester, NY. Over the years, I’ve had the privilege of caring for individuals with both medical and psychiatric conditions, which deepened my understanding of the powerful connection between the mind, body, and overall well-being.

Seria is a Psychiatric Mental Health Nurse Practitioner (PMHNP-BC) with licenses in New York and Georgia. With extensive experience in evaluating adolescents, adults, and geriatric individuals across diverse clinic settings. Seria brings a wealth of expertise to her practice. Notably, she holds the unique privilege of prescribing medical marijuana for PTSD, showcasing her comprehensive approach to treatment.

Veronica Adeoye, PMHNP-BC, FNP-C, is a dual-certified Psychiatric Mental Health Nurse Practitioner and Family Nurse Practitioner with more than 20 years of nursing and behavioral health experience. She has extensive experience providing psychiatric evaluation, diagnosis, medication management, and ongoing treatment to adults with a wide range of mental health concerns.