Jessica O'Mara, DO

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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Ashlyn Tellers is a board-certified Psychiatric Mental Health Nurse Practitioner. She earned her nursing degree with an emphasis in psychiatry in 2020 from the University of Arizona. With over twelve years of experience, she has cared for mental health patients across long-term care, inpatient, residential, and outpatient settings.

Ashlyn specializes in treating adults with depression, anxiety disorders, bipolar disorder, ADHD, and OCD through medication management and supportive therapy. She emphasizes patient education and works collaboratively to build therapeutic and safe treatment plans. She encourages open discussions about past mental health history and current stressors to help identify root causes and develop healthy coping strategies. When appropriate, she refers patients to therapists for more specialized care.

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Dr. Rayal Gorrepati is double board certified in both adult and geriatric psychiatry. He has been practicing for over 12 years. Dr. Gorrepati's practice focuses on medication management. Typically, he offers this in conjunction with supportive psychotherapy in 30-minute follow-up visits. However, occasionally Dr. Gorrepati may believe that additional therapy is also needed and ask that you bring a therapist into your care team to provide the best possible outcome. He received his medical degree from the American University of the Caribbean School of Medicine. His general psychiatry residency was completed at Cooper University Hospital in New Jersey. He then completed a Geriatric Psychiatry Fellowship at the University of Hawaii. After completing training, he returned to his hometown of Chicago and began working at a Federally Qualified Health Center providing care to an underserved low-income population for nearly 12 years. While at the clinic, he treated a wide range of diagnoses, the most common ones being depression, anxiety, bipolar disorder, etc. His primary clinical focus is treating adults with depression, anxiety, and bipolar disorder.

Dr. Laura Rosas is an adult psychiatrist at Talkiatry who practices compassionate, patient-centered care. As a multiracial psychiatrist, she serves diverse communities and focuses on treatment plans that respect each patient's background. She treats various diagnoses, including trauma, mood, personality, and eating disorders, with a particular interest in the student and LGBTQ+ communities. Using a range of skills and interventions from psychodynamic therapy, cognitive behavioral therapy (CBT), dialectical behavior therapy (DBT), acceptance and commitment therapy (ACT), and mentalization-based therapy (MBT), Dr. Rosas prioritizes a collaborative approach. She ensures patients are actively involved in shaping their treatment, including decisions about medication and supplements. This cooperation allows for personalized care plans that align with each patient's needs, values, and goals. Recognizing that cultural influences, substance use, financial constraints, and other societal factors impact mental health, Dr. Rosas examines these personal aspects to provide effective, holistic care in a non-judgmental space. She graduated from McGovern Medical School (UT Houston) and completed her residency in psychiatry at the University of Chicago. She aims to make healthcare more accessible and affordable, driving systemic changes in mental health care.

Dr. Chelsea Karson is a board-certified psychiatrist who completed her residency training at Advocate Lutheran General Hospital where she was Chief Resident of her program. Dr. Karson is passionate about patient care, believing in caring for the whole person. While completing her residency training, she led an interprofessional team to bring miniature-therapy horses to the inpatient psychiatry unit and thereby forge a relationship between the organization and all of Advocate Aurora Healthcare. Dr. Karson partnered with a mental health counselor to create a virtual therapy program of resources, the Bridge Project, to close the gap between inpatient and outpatient care that is now used throughout the Advocate Aurora network. At graduation Dr. Karson received the 2024 Advocate Lutheran General Hospital Ruggie Humanitarian Award. The Ruggie Award selects and honors a graduating resident or fellow who displays academic excellence, commitment to the education of others, professional bearing, and a concern for the patient within the light of Human Ecology. Dr. Karson attended undergraduate at Elmhurst University, a biology major with minors in chemistry and medical humanities. She went to medical school at Rosalind Franklin University and was chosen to join the Gold Humanism Honor Society for her dedication to compassionate patient care.

Dr. Taylor Brady, MD, MBA, is a psychiatrist who found his passion for mental health care through the power of listening to people’s stories. His background includes medical training at the University of Utah, leadership as Student Body President, and psychiatric residency at the University of Texas, where he served as Inpatient Chief Resident and received awards for both clinical excellence and medical education. he brings that same commitment and curiosity to his work with patients. Outside of clinical care, he is deeply interested in narrative medicine—the way our personal stories shape our mental health—and uses that lens to help patients find meaning, clarity, and strength in their own journeys.

As a psychiatrist, Dr. Taylor Brady approach is rooted in compassion, collaboration, and respect for your unique story. He views mental health treatment as a partnership—one where psychotherapy and medication can work together to support your growth and healing. His goal is to help you uncover the patterns and behaviors that may be holding you back, and empower you to make meaningful, sustainable change. He encourages patients to take ownership of their mental health, and he is here to provide the tools, guidance, and support you need along the way.

We’ll begin by taking the time to understand your story, your goals, and what brings you to treatment. The first few sessions focus on building trust and identifying the areas where you’d like to see change. From there, we’ll collaboratively develop a treatment plan that may include psychotherapy, medication, or both—always tailored to your needs. He draws from multiple therapeutic approaches, including Cognitive Behavioral Therapy (CBT), Cognitive Processing Therapy (CPT), and Psychodynamic Psychotherapy, to provide care that fits you, not the other way around. Throughout our work, he'll support you in developing insight, resilience, and confidence in managing your mental health.

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