

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 believe we all need to be heard and treated with respect and dignity. Treatment involves us working together to get the best results.
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
(More info at: www.moazenmd.expert) I’m a psychiatrist and trauma therapist experienced in EMDR, AEDP, PE, interpersonal psychodynamic therapy, and ketamine-assisted psychotherapy. I’m also faculty at Mount Sinai Hospital, where I teach psychiatry residents and previously served as a Physician-Scientist Chief Resident. My clinical work includes treating trauma, OCD, tics, generalized anxiety, and anxiety related to physical symptoms, often alongside attention and executive-function difficulties.
I’ve trained at several leading centers for trauma care and LGBTQ+ mental health, including Mount Sinai’s Center for Transgender Medicine and Surgery (CTMS), the International Society for the Study of Trauma and Dissociation (ISSTD), the Center for the Treatment and Study of Anxiety at the University of Pennsylvania (CTSA), and the William Alanson White Institute.
I have been in practice since 2013 and worked with people from all walks of life. I am sensitive to context, goal oriented and will work with you to find a solution that works for you.
Hello! I’m Tamisha, a Board-Certified Psychiatric Nurse Practitioner (PMHNP-BC) dedicated to helping individuals achieve mental wellness and balance.
With a Master of Science in Nursing from SUNY Stony Brook University, I specialize in treating Anxiety, OCD, Depression, ADHD, and Relationship Challenges through evidence-based approaches like Cognitive Behavioral Therapy (CBT) and medication management. I am deeply passionate about Women's and Men's Mental Health, offering personalized care tailored to each individual’s unique needs.
I believe in a holistic, compassionate, and results-driven approach, helping my clients regain control, build resilience, and thrive in all areas of life. Whether you're struggling with persistent worries, mood fluctuations, or focus issues, I’m here to guide you on your journey to mental clarity and well-being.
Let’s work together to create a treatment plan that works for you!
Melanie MacIntosh, PMHNP-BC, is a board-certified psychiatric mental health nurse practitioner with over nine years of nursing experience and a strong foundation in behavioral health. She provides compassionate, patient-centered psychiatric care to individuals across the lifespan.
Melanie has extensive experience in both inpatient and outpatient settings and is skilled in psychopharmacology, evidence-based therapeutic interventions, and crisis assessment and response. She holds additional certifications in suicide prevention through the American Psychiatric Nurses Association (APNA), Transcranial Magnetic Stimulation (TMS), and completed the KySS Child & Adolescent Mental Health Fellowship Program, reflecting advanced training in the assessment and treatment of pediatric and adolescent populations.
She is a recipient of the DAISY Award, the Gold Heart Nurse of Distinction, & a member of the Sigma Theta Tau International Honor Society, honors that reflect her commitment to clinical excellence, collaborative care, and advocacy for patients and families.


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