Allison Holt, MD

Board-Certified General Psychiatrist | Board-Eligible Child and Adolescent PsychiatristLicensed in New York, Illinois, and Arkansas

Dr. Holly Hunter is a dedicated child and adolescent psychiatrist, licensed to practice in New York, Illinois, and Arkansas. She earned her medical degree from LSU Health Sciences Center in Shreveport, Louisiana, and completed her psychiatry residency at the University of Arkansas for Medical Sciences (UAMS). Dr. Hunter went on to complete a fellowship in child and adolescent psychiatry at UAMS, where she also participated in the Leadership Education in Neurodevelopmental and Related Disabilities (LEND) Program, specializing in neurodevelopmental disorders.

While Dr. Hunter has treated a wide variety of psychiatric conditions, her primary clinical focus is on children, adolescents, and young adults dealing with trauma and co-occurring mental health disorders. Her approach centers on providing medication management in conjunction with supportive therapy, typically through 30-minute follow-up visits. In cases where additional therapeutic intervention is needed, Dr. Hunter may suggest involving a therapist as part of a comprehensive care team to ensure the best possible outcomes.With experience at Burrell Behavioral Health, Arkansas Children’s Hospital, and UAMS, Dr. Hunter brings a wealth of expertise to her practice.

She is committed to a collaborative, evidence-based approach to treatment, emphasizing individualized care and a holistic understanding of each patient’s unique needs.

Dr. Mary O'Malley is board certified in Adult Psychiatry and Sleep Medicine. She received her medical degree from Weill Cornell Medical School and PhD in Neurobiology from The Rockefeller University. She completed her Psychiatry residency and Sleep Medicine Fellowship training at the New York University Medical Center. In her psychiatric practice, Dr. O'Malley uses an integrative approach to health, combining evidence-based concepts in neurobiology with psychological, social and spiritual/existential worldviews to understand and treat every patient. Her primary practice is medication management. She also integrates elements of psychotherapy into her work, typically within 30-minute follow-up visits. In addition to medication and psychotherapy, she incorporates wellness tools into visits, such as mindfulness exercises and sleep management strategies. If she believes that additional psychotherapy is needed, she will recommend that you add a therapist to your care team. Dr. O'Malley has extensive experience working with people from many stages of life, with diverse world views and cultural backgrounds. She has always had an inclusive practice and welcomes people who identify as LBGTQIA+. As part of her own life path she became an Interfaith Minister and enjoys including spirituality and the supportive role it can play in healing for her patients. Her primary focus is working with adults with mood and anxiety disorders, trauma symptoms, ADHD, and problems with sleep. She enjoys working with people facing life transitions, especially older adults and women who are struggling with mental health challenges related to pregnancy and post-partum health. Prior to joining Talkiatry, Dr. O'Malley was working at Hartford Healthcare with adults in intensive outpatient programs and at Hackensack Meridian Health outpatient clinics. She was the medical director of the Consultation Liaison Service at Berkshire Medical Center in Pittsfield, Massachusetts, and an assistant professor at UMass Medical School. She has published and presented widely on topics related to Wellness in Psychiatry, Ethics and Sleep Medicine. She is an advocate for finding your voice in medical decision-making and enjoys using sound healing for relaxation and stress management.

Dr. Mark Sundahl is a board-certified adult psychiatrist. He was born and raised in the suburbs of Kansas City, Kansas. He has always been fascinated by the natural world and received a bachelor’s degree in biology at Kansas State University where he was active in a research lab investigating protein function in the human body. He completed medical school training and residency at the University of Kansas School of Medicine in Kansas City, Kansas along with Wichita, Kansas. Dr. Sundahl has experience working with a broad range of mental health symptoms and a diverse patient population

Dr. Mark Sundahl is a board-certified adult psychiatrist. He was born and raised in the suburbs of Kansas City, Kansas. He has always been fascinated by the natural world and received a bachelor’s degree in biology at Kansas State University where he was active in a research lab investigating protein function in the human body. He completed medical school training and residency at the University of Kansas School of Medicine in Kansas City, Kansas along with Wichita, Kansas. Dr. Sundahl has experience working with a broad range of mental health symptoms and a diverse patient population

Dr. Sundahl understands the importance of collaboration and the therapeutic alliance when working with patients. He will clearly explain his findings and discuss treatment options he feels are reasonable. Dr. Sundahl thinks it is important for patients to have all the necessary information to make informed decisions when it comes to their psychiatric treatment.

‍

Dr. Arballo is board-certified psychiatrist who completed medical school at Lake Erie College of Osteopathic Medicine. He received residency training at University of Texas Health - San Antonio where in addition to clinical training was appointed resident chair of the Quality Improvement and Patient Safety Committee.

Since graduation he has been a staff psychiatrist and the military unit director at Cumberland Hall Hospital providing comprehensive care to child, adolescent, adult, and geriatric patients.

Dr. Arballo provides evidence-based medication management and psychotherapy to address mental health conditions. He is a strong advocate for patient autonomy, quality improvement and psychoeducation.

Dr. Mark Varela is a board-certified psychiatrist joining Talkiatry directly out of residency. He focuses primarily on medication management, often accompanied by brief cognitive, motivational, or supportive therapy. He may request that you also meet with a therapist regularly for your benefit. Dr. Varela received his medical degree and general psychiatric residency training both from Texas Tech University Health Sciences Center in West Texas. He treats young adults and adults with a wide variety of mental health concerns, including ADHD, mood disorders, anxiety, OCD, and PTSD.

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.