Beatrice Desir, DO

Dr. Rodriguez is an adult psychiatrist, who is fluent in Spanish and English. She completed residency at St Luke's-Roosevelt Hospital in New York City via Columbia University College of Physicians and Surgeons followed by a Fellowship in Forensic Psychiatry in a combined Cornell University - Columbia University program with the New York State Psychiatric Institute. She obtained her medical degree at the Pontificia Universidad Catolica Madre y Maestro in the Dominican Republic. Dr. Rodriguez is an adult psychiatrist and has worked with a wide array of patients across various medical settings including extensive experience in Telehealth. Her experience includes Kings County Hospital in Brooklyn, New York, in addition to outpatient experience in both clinics and correctional facilities. Dr. Rodriguez has experience treating patients with psychiatric illness who may also be suffering from medical comorbidities, such as obesity, hypertension, pain, and diabetes. She has been deeply involved with teaching and emphasizes psychoeducation while working in collaboration with her patients to help tailor their personalized treatment plan. Her primary focus has been on treating adults with depression, bipolar disorder, anxiety, ADHD, OCD, and PTSD. Dr. Rodriguez has an approachable, patient-centered style, combined with a passion for optimizing sleep as it pertains to management of a psychiatric illness and overall well-being. She offers supportive therapy as part of her medication management visits, and at times may also offer cognitive behavioral therapy to address underlying stressors which may be contributing to one's presenting ailments. She may also recommend including a therapist in your care team to optimize outcomes.

Dr. Ann Landowne is Board Certified in Adult, Adolescent, and Child Psychiatry. She has over thirty-five years of experience helping people of all ages cope with a wide range of problems. Dr. Landowne received her medical and psychiatric training at Albert Einstein College of Medicine and advanced training in psychotherapy at the Psychoanalytic Association of New York where she is on the faculty. She focuses on medication management and is holistic in her approach to people and the difficulties they face in life. She has expertise in the treatment of children and adolescents with emotional and behavioral problems, and people struggling with anxiety, depression, bipolar disorder, obsessive-compulsive symptoms, and eating disorders.�

Dr. Pereira is a board-certified adult psychiatrist who is dedicated to providing compassionate care for a wide range of mental health concerns. He received his Bachelor of Arts from Harvard University and his medical degree from The Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, where he graduated with the Department of Psychiatry's award of distinction. He went on to complete his psychiatric residency training at Northwell Health's Zucker Hillside Hospital, with a specialization in the assessment and treatment of obsessive compulsive disorder and related conditions. Dr. Pereira's clinical approach emphasizes building trust with his patients and working collaboratively to develop an individualized treatment plan. He uses medication management along with cognitive behavioral therapy, exposure and response prevention, psychodynamic psychotherapy, interpersonal psychotherapy, and supportive therapy as needed. His practice treats a wide range of conditions, including depression, anxiety, OCD, family and relationship struggles, and other mental health issues. He has been trained in a wide range of settings including inpatient, outpatient, emergency departments, and behavioral health crisis centers. He also has experience teaching and supervising medical students and psychiatry residents.

Mary Birse is a board-certified Psychiatric Mental Health Nurse Practitioner (ANCC) with over 20 years of nursing experience. She graduated magna cum laude with a BSN from Florida Atlantic University and earned her MSN from the University of Florida. She completed a Psychiatric NP Residency at the VA in Charleston, SC. Mary has worked in a variety of settings including the West Palm Beach VA Medical Center, the Palm Beach County Firefighter’s Clinic, various outpatient telehealth platforms, and a child and adolescent inpatient facility. She was also an adjunct professor at Palm Beach State College.

Mary believes in empowering patients through education and collaboration so they can play an active role in their mental health journey. She works to create a warm and welcoming space where patients feel safe, heard, and understood. Whether the treatment path includes therapy, medication, integrative approaches, or a combination, she ensures that the plan reflects the patient's needs and goals.

Mary takes a thorough and holistic approach to care. She spends time understanding each patient’s history and past treatments—what has or hasn’t worked—and listens carefully to their current concerns and future goals. By factoring in lifestyle and preferences, she works with patients to build thoughtful, individualized treatment plans.

Dr. John Weller, MD, is a psychiatrist with a strong foundation in science and clinical care. He earned his undergraduate degree in molecular genetics from the University of Vermont and conducted neuroscience research in both academic and industry settings. A graduate of St. George’s University School of Medicine, he completed his psychiatry residency at Mather Hospital, Northwell Health, where he was honored as Resident of the Year in 2025 and inducted into the Alpha Omega Alpha Honor Medical Society.

Dr. Weller is committed to providing compassionate, evidence-based care that considers the full spectrum of biological, psychological, and social factors. He builds therapeutic relationships on empathy, respect, and trust. By tailoring treatment plans to each patient’s personal and cultural context, he helps individuals take control of their mental health and work toward long-term recovery and resilience.

In the first session, Dr. Weller takes time to listen carefully and gather a thorough understanding of each patient's concerns, history, and current functioning. He uses empathy and active listening to foster open communication and develop personalized treatment plans that may include therapy, medication, or lifestyle changes, with the goal of restoring wellness and stability.

Dr. Swetha Mummini earned her medical degree from SUNY Downstate Medical Center and completed her psychiatry residency at the University of Maryland/Sheppard Pratt. She has worked across various clinical settings, including inpatient units, residential treatment centers, and substance use disorder clinics. Her clinical interests include mood disorders, OCD, women’s mental health, and eating disorders.

Dr. Mummini takes a holistic approach to mental health, recognizing that there is no one-size-fits-all solution. She thoughtfully integrates medication when appropriate, alongside lifestyle changes, sleep, and stress management. She prioritizes strong therapeutic relationships and uses 30-minute follow-up visits that often include elements of psychotherapy.

In the first appointment, Dr. Mummini gathers a thorough psychiatric history, explores current symptoms, and learns about the patient’s goals. She works collaboratively to develop personalized, evidence-based treatment plans, blending integrative psychiatry with ongoing support for long-term well-being.