Jacqueline Lewandowski, MD

Lance Briggs is a dedicated Psychiatric Nurse Practitioner with over a decade of clinical and leadership experience. A graduate of the University of North Dakota, Lance began as a psychiatric RN in acute inpatient settings before becoming a psychiatric RN supervisor in a major Houston hospital while pursuing advanced practice.

After becoming a PMHNP, Lance initially worked with outpatient addiction treatment and severe mental illness populations, later expanding into bariatric psychiatry to support patients preparing for weight-loss surgery. When the COVID-19 pandemic paused bariatric procedures, Lance founded a private practice—Grey Matters Mental Health—in Seattle, which was later sold to a larger healthcare organization in Minnesota. Lance then transitioned into correctional mental health, serving underserved populations within the criminal justice system. Currently, Lance is working at Talkiatry, providing compassionate, high-quality care informed by experience across diverse and challenging environments.

Lance understands that every patient is unique. His approach is grounded in Carl Rogers’ principle of unconditional positive regard, creating a safe, calming space where patients feel heard and valued. Lance takes time to explore developmental history, family background, and major life events, recognizing how past experiences shape present challenges. He aims to understand each symptom fully and offers thoughtful, collaborative treatment options.

Dr. Michael Watkins is a board-certified adult psychiatrist. He completed his residency at The University of Texas Health Science Center at Tyler. In addition to being thoroughly trained in psychopharmacology, Dr. Watkins has also received extensive training in psychotherapy. From traditional psychodynamic therapy to the more modern mindfulness-based dialectical behavior therapy, Dr. Watkins takes the approach that best serves his patients. In addition to being trained in a variety of therapies, Dr. Watkins also employs a positive psychiatry approach which, as well as addressing a patient's symptoms, also focuses on their strengths and how they can be used to overcome adversity. Prior to pursuing a career in psychiatry, Dr. Watkins was a high school math teacher, and prior to that, he was an NCAA Division I college athlete. His teaching and athletic careers have given him a well-rounded perspective on the human experience. Drawing on his academic training and life experiences, Dr. Watkins meets patients where they are at, helps them overcome their obstacles, and serves as a guide and a resource for them on their journey to their desired destination.

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. Stephanie Jarvie is a board-certified psychiatrist and has been practicing for over eight years. Stephanie completed her Bachelor's degree at the University of Bristol in her native United Kingdom. She attended Saint George's University school of medicine in Grenada and completed her residency training in psychiatry at New York Medical College Metropolitan Hospital in NYC, New York. As chief resident, Dr. Jarvie learned to balance her clinical experience with organizational duties and scholarly activities. She has played a crucial role, both clinically, and has been a part of multi-disciplinary treatment teams. More recently, she has been an inpatient clinical psychiatrist at Banner University medical center in Arizona and has served as an assistant professor of psychiatry at the University of Arizona for four years. Stephanie is from Edinburgh, Scotland. Her studies and training have taken her on a journey from the United Kingdom and the Caribbean to New York City and Arizona. She uses her exposure to diverse patient populations from around the world to help with her clinical skills and treatment plans. Dr. Jarvie has a wealth of knowledge and experience in treating a diverse range of psychiatric disorders such as major depression disorder, anxiety, bipolar spectrum disorder, and post-traumatic stress disorders. Dr. Jarvie's practice focuses on medication management. She offers this in conjunction with supportive therapy in 30-minute follow-up. She works collaboratively with patients to develop individualized treatment plans to help them achieve their goal, which may include medication management, lifestyle interventions, and stress reduction techniques. Dr. Jarvie believes that additional therapy may be necessary and asks that you bring a therapist into your care team to provide the best outcome.

Dr. Sabrina Ghim is a board-certified physician specializing in adult psychiatry and practices adult psychiatric medication management. She focuses on building a strong therapeutic and collaborative environment with patients. She works with individuals struggling with depression, ADHD, obsessive compulsive disorder, anxiety disorders, including generalized anxiety, and social anxiety. Dr. Ghim usually meets with patients monthly for psychiatric follow up appointments. She provides psychiatric medication management in a comprehensive manner, paying careful attention to each patient's unique biological, psychological, and cultural make-up. She is diligent about keeping up-to-date on the research and expanding frontiers of psychiatry and psychopharmacology. She strongly believes in tailoring treatment in an integrative and collaborative manner to provide the best outcome for each unique patient. In some instances, Dr. Ghim may recommend the addition of a separate therapist in order to help facilitate the best care possible. Dr. Ghim experienced various cultures growing up in different countries and environments, shaping her open-minded demeanor and views, and eventually her interest in the human mind and psychiatry. She earned her bachelor's degree in Molecular Biology with honors, and a Doctor of Medicine (M.D.) degree from the University of Central Florida College of Medicine. She completed her Adult Psychiatric Internship and Residency training in New York City, at the Mount Sinai Morningside and West Hospitals, where she treated a diverse patient population with psychiatric illnesses in emergency, inpatient, and outpatient settings. Dr. Ghim is currently licensed in and seeing patients located in the states of New York, Florida, and Texas for medication management.

Elizabeth Shaffer, MD, is an accomplished psychiatrist specializing in child and adolescent psychiatry. She earned her M.D. degree from St. George's University School of Medicine and holds a Bachelor of Science in Child Development from Appalachian State University where she graduated summa cum laude. Dr. Shaffer's passion for working with children and families developed during her involvement in a pre-K Head Start Program in Rural North Carolina. She completed her General Psychiatry Residency and Child & Adolescent Psychiatry Fellowship at Jerry M. Wallace School of Osteopathic Medicine at Campbell University. Dr. Shaffer obtained ABPN Board Certification in General Psychiatry in 2023 and is working towards Board Certification in Child & Adolescent Psychiatry. Dr. Shaffer has received honors and awards for her contributions to psychiatry, including the Laughlin fellowship through The American College of Psychiatrists and Resident of the Year at Cape Fear Valley Health System in 2022.Her areas of interest focus on neurodevelopmental disorders such as ADHD, Autism, and Intellectual Delay. Dr. Shaffer is affiliated with professional organizations like AACAP and APA, demonstrating her commitment to professional development. Dr. Shaffer is dedicated to promoting mental health awareness and family and patient psychoeducation. Dr. Shaffer emphasizes a joint decision-making approach to treatment options and utilizes local resources to provide wrap-around support. Dr. Shaffer is a respected psychiatrist known for her excellence, compassion, and innovative approach to mental health care. Her extensive education, accolades, research contributions, professional affiliations, and community involvement reflect her commitment to making a positive impact in her patients' lives and the broader community.