David Jiang, MD

Dr Jennifer Twing is a board-certified physician in Psychiatry. She completed her undergraduate studies in Neuroscience and Behavior at Vassar College in New York, medical education at Trinity College in Dublin, Ireland and Psychiatry Residency at the University of North Dakota in Fargo, ND. She has experience working in a variety of settings treating psychiatric conditions across the lifespan. She is also currently training to be certified in Psychedelic Assisted Psychotherapy.

Dr Twing has a warm approach to patient care, is easy to talk to and aims to cultivate a safe and comfortable atmosphere. She is empathetic and understanding, ensuring that her patients feel heard and are supported.

Her main focus is in treating anxiety, depressive disorders and trauma through medication management. She also integrates a holistic approach encompassing lifestyle, spiritual and nature-based healing practices to help reduce stress, improve mood, and enhance overall quality of life. She recommends that you work with a therapist or counselor as well to optimize treatment outcomes.

Dr. Shelley Sellinger is a board-certified psychiatrist who has been in practice for 25 years. Her career has been devoted to serving both her local community as well as high-risk and underserved patients. As a pioneer and advocate for the use of telepsychiatry years prior to the pandemic, she has presented at the American Telehealth conference as well as at grand rounds. Dr. Sellinger's practice focuses on medication management as well as supportive and insight-oriented psychotherapy. She believes that a combination of therapy, as well as the use of medications, helps provide a patient with the best outcome. Her goal is to help patients live their best and most fulfilling lives. In addition to general psychiatry, she has a keen interest in mood disorders, helping creatives achieve their goals and the LGBTQ community.‍

Roel Sepulveda is a board-certified psychiatric mental health nurse practitioner (PMHNP-BC) with a Master of Science in Nursing from the University of Alabama at Birmingham. Certified by the American Nurses Credentialing Center (ANCC), he has over 10 years of experience providing mental health care in psychiatric emergency rooms, outpatient psychiatry, and telehealth settings. Roel is committed to delivering comprehensive and accessible care that supports patients across diverse needs and backgrounds.

As a provider, Roel values creating a compassionate and collaborative environment where patients feel comfortable sharing their experiences. He takes a patient-centered approach, meeting individuals where they are and working together to identify treatment goals. Patients can expect a nonjudgmental space where their concerns are heard, respected, and addressed with empathy and understanding.

When working with patients, Roel begins by taking time to understand their history, symptoms, and current challenges. He develops individualized treatment plans that may include a combination of medication management, lifestyle strategies, and coordination with therapy or other supports. His goal is to provide evidence-based care while empowering patients to actively participate in their mental health journey and achieve lasting well-being.

Dr. O’Mara is a board-certified geriatric and general adult psychiatrist. She is originally from Ohio where she obtained her bachelor’s degree in neuroscience and psychology from Wright State University and attended medical school at Ohio University. She completed her psychiatry residency and geriatric psychiatry fellowship through Michigan State University at Pine Rest in Grand Rapids, Michigan. She has provided psychiatric care in both inpatient and outpatient settings. She was a faculty member and Associate Program Director for Trinity Health Livonia’s psychiatry residency. In her free time, she enjoys drawing and hiking.

Dr. O’Mara eagerly treats a wide range of age groups and conditions and is passionate about patients coping with chronic medical conditions and caregivers. She also has experience with perinatal mood disorders, obsessive compulsive disorder, and PTSD. She strives to deliver evidence-based treatment tailored to her patient’s individual needs.

In addition to medication management, she incorporates brief therapy modalities into her appointments including supportive therapy, cognitive behavioral therapy, and dialectical behavioral therapy skills. She will work with you to determine if more comprehensive therapy may be needed. She also can provide practical and realistic behavioral strategies to caregivers and patients with memory changes. Dr. O’Mara prefers to meet patients where they are in a supportive, safe, and non-judgmental environment.

Background  and credentials    

Dr. Columban Heo is a board-certified psychiatrist. He earned his medical  degree from Touro University Nevada and completed his residency at Unity  Health White County Medical Center. Dr. Heo further specialized by completing  a fellowship in Consultation-Liaison Psychiatry at the Cleveland Clinic,  where he gained extensive experience working within multidisciplinary  healthcare teams, particularly focused on psychiatric care for patients with  complex medical conditions.    

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Treatment approach  

Dr. Heo specializes in treating a broad range of psychiatric conditions,  notably mood and anxiety disorders. He integrates medication management with  a holistic, personalized approach to treatment, emphasizing the  interconnectedness of mind, body, and spirit. Dr. Heo believes in tailoring  treatment plans individually, combining therapy and medications to suit each  patient’s unique needs, and highlights the importance of healthy  relationships in achieving overall mental health.    

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What you can expect in a first visit    

Patients visiting Dr. Heo for the first time can expect a comprehensive and  personalized assessment that explores not just their psychiatric symptoms but  their overall well-being and personal relationships. Dr. Heo prioritizes a  holistic evaluation, carefully balancing medication considerations and  therapeutic interventions tailored specifically to each patient’s situation  and goals. He creates an empathetic, collaborative atmosphere to discuss and  develop personalized plans for mental and emotional wellness.  

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Why Talkiatry?    

We’re a virtual mental health practice that makes it easy to find great  care. We combine quality and convenience to help you thrive—faster. Our  providers, like this one, are highly trained experts who specialize in  medication management and collaborate with you on a treatment plan that fits  your needs and comfort level.

Dr. Lemaire Leo Pierre is a board certified adult psychiatric provider with over 10 years of experience. He has additional years working in the medical field as a physician assistant. Dr. Pierre's practice entails medication management accompanied by supportive psychotherapy. He frequently encourages other forms of psychotherapy with a counselor to maximize treatment outcomes. After completing medical school at Central America Health Science University, he returned to New York City and completed his psychiatry residency at New York Medical College Program at Metropolitan Hospital Center. Subsequently, he moved to Minnesota and worked with Park Nicollet Health Service/HealthPartners. He had been there for 10.5 years, where he oversaw a successful psychiatric practice and helped his patients who had been struggling with their conditions. Dr. Pierre is a member of the American Board of Psychiatry and Neurology, in addition to the American Psychiatry Association and State Psychiatry Association. He also enjoys attending conferences and reading journals to learn about cutting-edge treatments so that he is updated on the most recent FDA-approved medications.