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627 Broadway,
Massapequa, NY, 11758
Personalized Mental Healthcare That Empowers You
Meet Our Team
At WellMind Psychiatry, we believe in evidence-based psychiatric care delivered with heart. With over 15 years of medical experience, our team blends clinical expertise with genuine compassion to guide you through life’s challenges. Meet the people who make that possible!

Dr. Hammad Mohsin, MD
Double Board-Certified Psychiatrist
Dr. Mohsin brings over 15 years of experience in clinical care, education, and research, with expertise in helping individuals manage depression, anxiety, ADHD, trauma-related disorders, and substance use.

Melissa Weinberg, NP
AGNP-BC, PMHNP-BC
Melissa is a dual Board-Certified Psychiatric-Mental Health and Adult-Gerontology Acute Care Nurse Practitioner with over 13 years of clinical experience. She has provided care across the lifespan, working with children, adolescents, and adults. Melissa treats a wide range of psychiatric conditions, including depression, anxiety, ADHD, OCD, and bipolar disorder, with a particular specialization in substance use disorders.

Lena Najjarian,
PA-C
Lena Najjarian is a dedicated Psychiatric Physician Associate who is passionate about providing compassionate, patient-centered care. She takes a holistic approach to treatment, blending psychiatry with psychotherapy to support both the emotional and mental well-being of her patients. Believing that healing begins with trust, Lena prioritizes listening and building strong therapeutic relationships to help patients feel understood, supported, and empowered in their journey toward wellness.
Outside of her professional work, Lena enjoys exploring her love for interior design, traveling to experience new cultures and perspectives, and spending quality time with the people who matter most to her.
INSURANCE ACCEPTED
Long Island Clinic
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