Matthew Koller, MD

Dr. Adele Veksman is double board-certified in adult psychiatry and psychosomatic medicine, with over 14 years of experience diagnosing and treating a wide range of psychiatric conditions. She approaches each patient as a unique individual, offering a non-judgmental space to help patients develop into their best selves. She focuses primarily on medication management to alleviate symptoms while working with patients on behavioral changes to address underlying issues. If additional therapy is needed, she may suggest adding a therapist to your care team to provide the best outcome. Dr. Veksman received her medical degree from St. George's University and then completed a residency in psychiatry and fellowship in psychosomatic medicine at Zucker Hillside Hospital at Northwell Health. Next, she was an attending and ER psychiatrist at North Shore University Hospital providing psychiatric care to medically ill patients. She then transitioned to adult outpatient care at Maimonides Medical Center, treating various psychiatric illnesses. Throughout her career, she taught and supervised residents and medical students.

Marie Thompson, PMHNP, has over a decade of experience practicing in outpatient settings. She earned her undergraduate, graduate, and post-graduate degrees from Ursuline College in Pepper Pike, Ohio. Marie is dual certified as a Family Nurse Practitioner and Psychiatric Mental Health Nurse Practitioner, allowing her to provide well-rounded, holistic care to her patients.

Marie uses a team-based approach to help patients meet their treatment goals. She is dedicated to creating a trusting, non-judgmental environment where individuals feel safe, heard, and supported. Her goal is to enhance daily functioning and improve each patient’s overall quality of life.

Marie creates individualized treatment plans to meet each patient's unique needs. She works collaboratively to develop patient-centered goals and uses a thoughtful, compassionate approach to guide treatment. Her process prioritizes open communication, shared decision-making, and long-term wellness.

Dr. Phelps is a board-eligible adult psychiatrist. She was elected chief resident by her residency program at the University of Central Florida. She obtained her medical degree at Nova Southeastern University. She graduated magna cum laude with a bachelor's degree in Kinesiology from Louisiana State University. Dr. Phelps believes in patient-centered care and a holistic approach to medicine. Her practice focuses on medication management, in conjunction with supportive therapy in 30-minute follow-up visits. If additional therapy is needed, she utilizes referrals to psychotherapists to enhance management of mental illness and provide the best treatment outcomes. Dr. Phelps has worked in a variety of medical settings with different patient populations, including outpatient, consult liaison, and inpatient psychiatry. Her primary focus is treating adults with depression, anxiety, ADHD, insomnia, and bipolar disorder. Dr. Phelps aims to build a strong therapeutic relationship and improve the quality of life of her patients.

Dr. Wang is a board-certified psychiatrist in both General Psychiatry and Addiction Psychiatry, with extensive experience in providing compassionate, evidence based to mental healthcare. She currently serves as an outpatient psychiatrist providing care to veterans, where she integrates evidence-based medication management with psychotherapy. Dr. Wang completed her psychiatry residency at the University of Wisconsin-Madison, where she also contributed to clinical education through supervising residents and conducting quality improvement initiatives.

Dr. Wang believes in crafting individualized treatment plans that address both the biological and psychological aspects of mental illness. She specializes in the combined use of psychotherapy and medication management to support long-term healing. Dr. Wang encourages her patients to become active participants in their recovery process and empowers them to grow into their own healers. Her therapeutic approach emphasizes insight, autonomy, and long-term well-being.

During the initial visit, patients can expect a warm, thoughtful, and collaborative evaluation. Dr. Wang takes time to understand her patients’ symptoms, personal history, strengths, and goals in order to develop a tailored and sustainable treatment plan. She believes in shared decision-making and provides clear, compassionate communication around both therapy and medication options.

Dr. Lisa Oliveri is a double board-certified psychiatrist in Psychiatry and Forensic Psychiatry. She completed her undergraduate training at the University of Florida, followed by medical school at the Charles E. Schmidt College of Medicine at Florida Atlantic University. She completed both her residency in Psychiatry and fellowship in Forensic Psychiatry at the University of Miami/Jackson Memorial Hospital. Since graduating from fellowship, Dr. Oliveri has held an academic appointment at the University of Miami, teaching medical students, residents, and fellows, and serving as the Miami Veterans Healthcare System Site Director for the University of Miami Psychiatry residency and fellowship programs. Additionally, she has served as the Medical Director of the inpatient psychiatry unit and subsequently as the Assistant Chief of Psychiatry for the Miami VA Healthcare System. Dr. Oliveri has a strong interest in treating a broad range of psychiatric disorders, including depression, anxiety, posttraumatic stress disorder, and substance use disorders. She has extensive experience in treating adults with severe psychiatric illnesses in the inpatient setting. Patients looking for a psychiatrist will find that Dr. Oliveri is approachable, open-minded, and collaborative in her diagnostic interviews and treatment planning. She believes that a strong doctor-patient relationship with a thorough understanding of a patient's condition and concerns is key to effective treatment.

Dr. Alexandre is a board-certified psychiatrist who completed his psychiatry training both in Brazil and in the United States, where he served as Chief Resident in both programs. He is fluent in both English and Portuguese and is especially attuned to the unique challenges faced by international and immigrant populations. Dr. Alexandre is passionate about helping patients achieve meaningful and sustained improvements in their mental health.

He brings over a decade of experience in mental health care and has a strong foundation in evidence-based treatment. His clinical interests include mood and anxiety disorders, ADHD, and cross-cultural psychiatry.

Dr. Alexandre incorporates a collaborative and compassionate approach to care, combining medication management with elements of cognitive behavioral therapy, behavioral activation, and interpersonal strategies when appropriate.

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