

Dr. Yina Cruz-Harris specializes in "Medication Management Evaluations" and treats array of psychiatric diagnoses across the lifespan, ranging from ADHD, depression, GAD, and ODD to aggression, insomnia, and mood disorders. She sees clients as young as five years old to older adulthood. Dr. Cruz-Harris is bilingual and fluent in Spanish.
"Ask, and it will be given to you; seek, and you will find; knock, and the door will be opened to you"- Matthew 7:7
I'm Martha, a Psychiatric and Mental Health Nurse Practitioner and the owner of Mosaic Psychiatry & Psychotherapy. I offer virtual mental health medication management and psychotherapy services based out of Brooklyn, NY.
I bring 16 years of nursing experience to my practice, and am dedicated to providing holistic, person-centered care across a wide variety of mental health challenges. My approach is rooted in looking at the whole picture of who you are and what your goals are for yourself.
My expertise lies in treating individuals navigating depression, anxiety, mood disorders, trauma, and the mental health aspects of chronic disease. Beyond diagnosis, I focus on foundational elements of wellness, including:
I’m a psychiatric nurse practitioner specializing in care for women, children, and adolescents, with a strong focus on ADHD, anxiety, and mood concerns. Many women seek care during periods of burnout, emotional overload, or major life transitions, and I provide calm, supportive, and collaborative care during these difficult moments. I also work closely with parents, helping children and teens feel safe and understood while supporting families with clear guidance and thoughtful treatment planning.
I have the most experience working with the adult population. My ideal client is not someone with a specific diagnosis or past experience. It is someone who is battling something within them and is seeking a helping hand to hold on. Treatment with the most appropriate medication can help a person overcome and persevere. I hope to work with patients who really want to make a change in their lives. I like to treat my patients holistically with medications that safely help them. I hope that my patients seek my guidance because they want to challenge themselves. Together, we can make tomorrow a better day.
I am a board- certified psychiatric nurse practitioner committed to compassionate, ethical, and individualized mental health care.
I am a board certified nurse practitioner with extensive experience in both outpatient and inpatient treatment setting. I specialize in the treatment of Anxiety, Depression, OCD, and PTSD. My goal is to provide a thorough evaluation and help you to decide the best treatment option for you. I am also a NYS Medical Marijuana Program Provider.
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.


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