Holly Shiao, MD

Margaret Ngumi, MSN, APRN, FNP-C, PMHNP-BC, is a dual board-certified Psychiatric Mental Health and Family Nurse Practitioner with over 20 years of experience in healthcare. She began her career as a Family Nurse Practitioner and later pursued a post-master’s certification in psychiatry to address the growing need for accessible mental health services. Margaret has extensive experience in both inpatient and outpatient settings, treating conditions such as depression, anxiety, PTSD, mood disorders, and substance use disorders.

She takes a collaborative, patient-centered approach to care, creating a safe and supportive environment where individuals feel heard and empowered. With a strong emphasis on holistic care, Margaret considers all aspects of a patient’s well-being—including lifestyle, relationships, and overall health. Whether through medication management, therapy, or lifestyle modifications, she is committed to helping patients achieve meaningful and lasting improvements in their mental health.

Margaret begins with a comprehensive psychiatric evaluation to understand each patient’s history, concerns, and goals. She then works closely with them to develop a personalized care plan that may include medication, therapy, and evidence-based lifestyle interventions. She prioritizes open communication, patient education, and ongoing collaboration to ensure treatment remains effective and evolves with each patient’s needs. Through her compassionate and evidence-based approach, Margaret is dedicated to helping individuals find balance and improve their overall quality of life.

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Wadzanai Lee is a board-certified Family Psychiatric Nurse Practitioner with Talkiatry. She obtained a Bachelor of Science Nursing from University of Texas at Arlington, Arlington, TX in 2013 and Master’s Degree at The University of Texas at Arlington, Arlington, Tx in 2016. She enjoys treating a wide range of psychiatric and mental health conditions, including depression, anxiety, bipolar and mood disorders, OCD, PTSD and ADHD.

Wadzanai's patient care approach embodies a blend of professionalism and compassionate understanding. She fosters an environment that supports her patients and encourages their active involvement in their health journey. Her care technique prioritizes the patients’ needs, creating a supportive and understanding space and ensuring each individual feels seen, heard, and valued. Her patient care style is characterized by her deep empathy and firm commitment to her patients' well-being. She understands the debilitating effects of mental health conditions and is dedicated to helping individuals achieve their mental health goals.

Each appointment ensures that every patient is treated with respect and receives the care necessary for their recovery and overall mental health. She believes in providing individualized therapeutic care to meet your specific needs using a compassionate and non-judgmental approach.

Her services to you will include psychiatric evaluations, medication management and therapy. If you are looking for a psychiatric and mental health provider who will partner with you on your journey to mental wellness, please call to schedule an appointment today.

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Dr. George Han is an adult psychiatrist who earned his undergraduate degree in Materials Science and NanoEngineering from Rice University, his medical degree from the University of Texas Southwestern Medical Center, and completed his psychiatry residency training at the University of Mississippi Medical Center. Now based in New York City, Dr. Han brings a broad geographic and cultural perspective, having previously lived in China, Canada, Illinois, California, Texas, and Mississippi.  

Drawing on these diverse experiences, Dr. Han is committed to providing culturally responsive and identity-affirming care, with a particular focus on immigrant communities, LGBTQIA+ individuals, and high-performance professionals. He uses a collaborative, narrative-informed approach that centers each patient’s lived experience and values. His integrative method helps individuals recognize emotional and behavioral patterns shaped by cultural, relational, and systemic factors.  

In clinical practice, Dr. Han combines evidence-based medication management with appropriate psychotherapy techniques and elements of executive coaching. This comprehensive approach supports patients navigating high-pressure environments, helping them achieve greater clarity, resilience, and confidence across both personal and professional domains

Dr. Lindsay Legnon is board-certified in Psychiatry and has 15 years of experience in outpatient clinical psychiatry. Her focus is primarily on medication management, but she does incorporate brief cognitive behavioral therapy and supportive therapy when appropriate. If more extensive psychotherapy is felt to be beneficial, she will recommend a therapist and collaborate with them for optimal care. She completed her medical degree at Louisiana State University in Shreveport and her residency at Tulane University in New Orleans, where she served as Chief Resident. After completing her residency, she worked primarily in outpatient clinics treating a wide range of mental health disorders. She has extensive experience treating major depressive disorder, a variety of anxiety disorders, OCD, PTSD, and bipolar disorder, among others. Medication is felt to be an important tool for many in achieving wellness, and she encourages a holistic approach to improve outcomes. Her hope is to provide relief and help people achieve their goals in their journey back to wellness.

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.

Dr. Scott Masters is a Board-Certified psychiatrist and psychoanalyst with over 30 years' experience in medication management and therapy. He is living in Hawaii after a 20-year training and working in New York City.

Columbia University Vagelos College of Physicians and Surgeons

Columbia University Psychiatry Residency Program, Chief Resident

Columbia University Public Psychiatry Fellowship

Columbia University Center for Psychoanalytic Training and Research

Dr. Masters offers an integration of medication management and various psychotherapy. He is certified in supportive psychotherapy, prolonged exposure therapy for PTSD, motivational interviewing, CBT for chronic pain, Integrated Behavioral Couples Therapy and Whole Health.  With the right combination of treatments, patients can achieve their potential and relieve suffering.

In an initial visit, patients can expect a thorough, collaborative discussion with shared decision making to understand their symptoms, life goals, and clinical needs. Dr. Masters will evaluate the patient's condition to determine appropriate medication interventions and discuss personalized treatment recommendations including integrated psychotherapy.  Typical follow-up visits are approximately 20-30 minutes in length. Depending on the severity and complexity of a patient's situation, referrals to additional counseling or therapy may also be suggested.

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