Austin Lin, MD

Dr. Yaejin Park is a board-certified adult psychiatrist at Talkiatry. She received her medical degree from the University of Illinois at Chicago School of Medicine and completed her psychiatry residency training at Mount Sinai Morningside West.

Dr. Park has professional interests in treating a wide range of psychiatric conditions including depression, anxiety, PTSD, and eating disorders.  She strives to provide compassionate and holistic care with the integration of supportive psychotherapy and medication management.

Background and credentials  

Dr. Alexandra Baluna, MD, is board-certified by the American Board of  Psychiatry and Neurology. She received her medical degree from  LSUHC-Shreveport and completed her psychiatry residency training at  Montefiore/Albert-Einstein College of Medicine, where she served as chief of  the Consultation-Liaison (C/L) service. Following residency, Dr. Baluna  served as Senior Chief, during which she was honored with the Leo M. Davidoff  Award for Outstanding Achievement in the Teaching of Medical Students. Her  professional experiences include roles at Fordham University, Albert Einstein  Student Mental Health Counseling Center, and most recently, as an outpatient  psychiatrist at Maimonides Medical Center, where she enjoyed teaching and  supervising residents.  

Treatment approach  

Dr. Baluna emphasizes creating a warm, empathic, and nonjudgmental  therapeutic environment. She collaborates closely with patients to develop  personalized treatment plans that consider cultural, biological,  psychological, and social factors. With a strong interest in psychotherapy,  she frequently employs ego-supportive and insight-oriented therapy techniques  during follow-up sessions.  

What you can expect in a first visit    

During an initial visit, patients can expect a welcoming and supportive  atmosphere where Dr. Baluna conducts a comprehensive assessment. This  involves exploring the patient's history, current challenges, and individual  circumstances. The goal of the first session is to collaboratively build an  individualized treatment plan tailored specifically to the patient's unique  needs.  

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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 speciualize in  medication management and collaborate with you on a treatment plan that fits  your needs and comfort level.

Dr. Maralys Colón is a board-certified psychiatrist. She graduated from the University of Puerto Rico School of Medicine, and she completed a subspecialty in Forensic Psychiatry at the University of Tulane. Dr. Colón is keen in involving and guiding her patients in their treatment; she believes that patients benefit from taking an active role in their care. Dr. Colón specializes in psychopharmacology, tailoring the medication to your needs and preferences. She has experience in treating patients with depression, anxiety, PTSD, OCD, bipolar and psychotic disorders. Her practice focuses on medication management in conjunction with techniques from cognitive behavioral therapy and supportive therapy. Her years of experience include working as an inpatient psychiatrist, an intensive outpatient program, and consultation and liaison. She has helped train physician assistants at Valparaiso University, helping expand the knowledge of future providers. Dr. Colón is looking forward to working with you to improve your mental health and quality of life.

Rebecca Kostopoulos, PMHNP, is a board-certified psychiatric nurse practitioner committed to helping individuals facing mental health challenges lead full and balanced lives.

Her practice primarily focuses on medication management, often combined with supportive or emotionally focused therapy during 30-minute follow-up visits. When appropriate, Rebecca may recommend involving an additional therapist to ensure the most effective and comprehensive care.

She earned her Master of Science in Nursing with a specialization in psychiatry from Columbia University and her Bachelor of Science in Nursing from Boston College. Her training includes psychiatric diagnosis, medication management, and both psychodynamic and cognitive-behavioral therapies.

With over a decade of experience, Rebecca has evaluated and treated adults in a variety of clinical settings. Her previous roles include working at Elmhurst Hospital’s Comprehensive Psychiatric Emergency Program, Gracie Square Hospital’s inpatient unit, as well as in community health centers and skilled nursing facilities.

As a nurse practitioner, Rebecca believes that mental health is just as vital as physical health. She values the therapeutic relationship and approaches treatment with empathy and collaboration, ensuring that each patient receives personalized and compassionate care.

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Dr. Onah Uwagbai is a board-certified psychiatrist who earned her medical degree from St. George’s University School of Medicine. She completed her psychiatry residency at the University of Kansas Medical Center, where she served as Chief Resident at the Kansas City VA hospital and was recognized for Excellence in Scholarship. Most recently, she worked at the North Texas VA Healthcare System, caring for individuals with treatment-resistant depression and complex psychiatric needs.

Dr. Uwagbai has a passion for supporting individuals with mood disorders, anxiety, trauma, and women’s mental health. She believes healing is best achieved through compassion, collaboration, and respect. Patients can expect a warm, supportive environment where they feel heard and understood, with treatment tailored to their unique history and goals.

Dr. Uwagbai begins with a comprehensive evaluation to understand each patient’s needs and then develops an individualized treatment plan. She draws on evidence-based practices, including expertise in complex cases, and may incorporate both therapy and medication management. Her goal is to empower patients to take an active role in their care while fostering resilience, stability, and long-term wellness.

Dr. Liu is board certified in Adult Psychiatry. She primarily focuses on medication management but integrates therapeutic support into her sessions. For more in-depth therapy needs, Dr. Liu encourages patients to have their own individual therapist. She received her undergraduate and medical degrees at the University of South Carolina in Columbia, SC. She then moved to Morgantown, West Virginia to complete her psychiatry residency. Dr. Liu has experience working with patients from different backgrounds in inpatient, outpatient, and partial hospitalization settings. She particularly enjoys working with young adults and in areas related to women's health, such as perinatal mental health. She welcomes people from all cultures and is LGBTQ+ friendly.