Matthew Koller, MD

Dr. Michael Underriner is an adult psychiatrist. His approach to treatment is holistic, taking into account the entire person, and emphasizes the importance of the therapeutic bond to help people reduce suffering and achieve their goals. He is a member of the Gold Humanism Honor Society. Dr. Underriner's practice focuses on a mix of medication management, offered in conjunction with supportive therapy in 30-minute follow-up visits, and insight-oriented psychotherapy offered in weekly 45-minute visits. He works with people struggling with ADHD, depression, anxiety, obsessive-compulsive and related disorders, and difficulties with self-esteem and relationships. Occasionally Dr. Underriner may believe that additional therapy is warranted and recommend a separate therapist to provide the best outcome. He received his medical degree from the University of Chicago Pritzker School of Medicine and completed his residency training at New York University. During training, he gained experience treating patients with various psychiatric illnesses in several different clinics and hospital-based settings. He worked with experts in the field of depression and provided consultations for patients considering transcranial magnetic stimulation. He also published a review article on long-term injectable medications for psychosis. Dr. Underriner has maintained an interest in teaching and remains connected to the psychiatry department at NYU. He has supervised and taught junior residents and medical students. Additionally, he is interested in global health and disparities in access to care and has traveled to Ghana to teach medical students rotating through psychiatry at the university there.

Thomas Sargent, MD, holds a master's degree in pharmacology and a Doctor of Medicine from Tulane University School of Medicine. He completed his psychiatry residency at the Icahn School of Medicine at Mount Sinai West/Morningside in New York City. Over the past four years, he has treated a wide range of mental health conditions in various clinical settings. Dr. Sargent has extensive experience treating mood, anxiety and psychotic disorders, PTSD, OCD, personality disorders, and substance use issues. He utilizes both medication management and psychotherapy to provide comprehensive care. Dr. Sargent has received specialized training at the VA and the Center for Intensive Treatment of Personality Disorders in NYC. Passionate about holistic treatment, Dr. Sargent considers the biological, psychological, and social factors that influence mental health. He believes in addressing core issues through targeted care rather than defaulting to prescribing multiple medications. Dr. Sargent strives to create a supportive environment where patients can openly express their concerns. He believes in shared decision-making to ensure that care is evidence-based but also tailored to each patient's unique needs. Dr. Sargent takes the time to thoroughly explain diagnoses and treatment options, empowering patients to make informed decisions about their mental health. His approach emphasizes patient autonomy and aims to build trust, leading to more effective and personalized care outcomes.

Dr. Mary Stephenson is a board-certified Child and Adolescent Psychiatrist with more than 25 years of clinical experience working with this population. Dr. Stephenson's practice focuses on medication management. She believes that the support and involvement of the family are an integral part of the treatment of the client. Additionally, more therapy support may be needed on occasion, and the recommendation to bring a psychotherapist on the care team may occur to provide an optimal outcome. She received her medical degree from Wright State University in Dayton, Ohio. She completed her psychiatry residency at the University of Louisville School of Medicine, and her child and adolescent training at the Bingham Child Guidance Center, also part of the University of Louisville, in Louisville, Kentucky. After completion of her training, she moved to Colorado where she worked at The Cleo Wallace Center, in Westminster, CO, providing care for hospitalized youth, and clients in the Day Treatment and Residential setting. In 2000, Dr. Stephenson became the primary Child and Adolescent Psychiatrist on the outpatient team at Denver Health Medical Center in Denver, Colorado. Her role was providing diagnostic evaluations, and medication management in Federally Qualified Health Centers (FQHCs), and the hospital clinic, working closely with residents, child fellows, and other trainees. She had an academic appointment through the University of Colorado School of Medicine. She treated a varied demographic and had a wide range of diagnoses in the child and adolescent population. From 2016-2021, she worked at Intermountain Health Center in Tucson, AZ providing care in the outpatient setting of the community mental health center. The care was a hybrid model of "in-person” and Telehealth treatment of children and adolescents with various disorders, with an emphasis on diagnostic evaluations of Autism and Autism spectrum disorders.‍

Denise White, PMHNP, has worked in the mental health field for over 30 years following the completion of her Bachelor’s degree in Psychology from Suffolk University in Boston. She began her career as a mental health technician in a geriatric residential program and later pursued additional education in nursing, earning an Associate Degree in Nursing from Quincy College, a Bachelor’s Degree in Nursing from South University, and a Master’s in Nursing from Eastern Kentucky University. Over the years, she has held diverse roles in adult and children’s case management, residential and intensive outpatient programs, inpatient psychiatric care, and crisis stabilization. Denise has provided care in both inpatient and outpatient settings as well as through hospital consult services across the country.

Denise prides herself on her ability to empathize with her patients and meet them exactly where they are in their journey. She believes that trust is the foundation of the therapeutic relationship and works diligently to create a supportive, nonjudgmental environment where patients feel safe, heard, and respected.

In the initial evaluation, Denise focuses on gathering comprehensive information to form a complete understanding of each patient’s unique background and needs. From there, she develops an individualized treatment plan that aligns with the patient’s prioritized goals. Each session begins from that foundation, allowing her to support patients at their own pace as trust deepens and progress unfolds.

Farrah has worked almost exclusively in community mental health centers in Iowa and in Arizona for the last 15 years. She has been providing telepsychiatry services since 2013 across several states, serving hospitals, community mental health centers, local jails, and residential treatment facilities. Farrah was lead prescriber for Living Out Loud, a mental health program exclusively for LGBTQ+ persons. She has worked with patients with comorbid mental health & HIV+ status, and a long history of working with persons with severe mental illness.

Farrah has mentored countless new Psychiatric Nurse Graduates in their first year of outpatient practice and precepted students working to achieve their Psychiatric Nurse Practitioner Certification. She was also part of the pilot program for the Integrated Behavioral Health Home, which integrated primary care into treatment for SMI patients.

Farrah Lamoreux offers a warm patient centered approach to psychiatry. She is well known for being easy to talk to, and down to earth. Farrah believes that the patient is the most important part of the treatment team, and engaging patients in the decision-making process of their treatment. Patients say that she listens, they feel heard, and that she tailors care to what best fits your needs. She enjoys working with therapists whenever possible to ensure the best outcomes. Farrah specializes in the treatment of ADHD, but also treats Depression, PTSD, Anxiety, Panic, Agoraphobia, OCD, Autism and Bipolar Disorder.

Dr. Andrew Miller is a board-certified psychiatrist with extensive experience treating patients across Indiana. He earned his undergraduate degree in Biology with a minor in Chemistry from Indiana University, followed by his Doctorate of Medicine and residency training in psychiatry. He went on to complete a fellowship in child and adolescent psychiatry and maintains active involvement in professional organizations, including serving as past president of the Indiana Council of Child and Adolescent Psychiatry. Outside of medicine, Dr. Miller values time with his wife and two children and enjoys sports, Lego building, and supporting Indiana athletics.

Dr. Miller believes in building a collaborative therapeutic relationship grounded in respect and open communication. He strives to create a safe, supportive environment where patients of all ages—children, adolescents, and adults—feel heard and understood. He works to balance medical expertise with patient preferences, encouraging shared decision-making and honoring each individual’s goals in treatment.

Dr. Miller begins with a thorough evaluation to gain a complete understanding of each patient’s history, strengths, and challenges. From there, he develops a personalized treatment plan that may include therapy, medication management, and integration of other supportive resources. He is committed to ongoing follow-up, adjusting care as needed, and helping patients move toward lasting improvement in their mental health and overall well-being.