Stephanie Negrey, MD

Dr. Robert Smeed, DO, is a board-certified psychiatrist with a passion for healing the human mind and consciousness. He earned his Doctor of Osteopathic Medicine from Lake Erie College of Osteopathic Medicine and completed his Psychiatry Residency at Wayne State University College of Medicine. Certified by the American Board of Psychiatry and Neurology (ABPN), Dr. Smeed served as an outpatient psychiatrist at Veterans Affairs for 11 years, honing his expertise in mental health care. Driven by a deep interest in consciousness and innovative treatments, he combines talking therapies, neuromodulation, and modern psychopharmacology to help patients achieve lasting wellness.

Dr. Smeed is proficient in treating a wide range of psychiatric conditions while specializing in treatment-resistant depression, neurodevelopmental disorders, anxiety and trauma disorders. His treatment style is empathic and collaborative, emphasizing family dynamics and relationships while integrating psychodynamic principles with biopsychosocial models. He approaches each patient with creativity, using open-ended discussions and innovative therapeutic and psychopharmacologic strategies to tailor care, ensuring a personalized and effective treatment experience.

Dr. Smeed begins with open-ended dialogue, allowing patients to develop their narrative, which is often therapeutic. Treatment plans are customized to patient needs and align with diagnostic standards of care. He incorporates medication reviews, mindfulness techniques, cognitive behavioral therapy (CBT), supportive therapy, and psychodynamic approaches. Dr. Smeed also educates patients on lifestyle factors, such as diet and exercise, to support mental health, fostering a holistic and individualized path to wellness.

Dr. Sabrina Ghim is a board-certified physician specializing in adult psychiatry and practices adult psychiatric medication management. She focuses on building a strong therapeutic and collaborative environment with patients. She works with individuals struggling with depression, ADHD, obsessive compulsive disorder, anxiety disorders, including generalized anxiety, and social anxiety. Dr. Ghim usually meets with patients monthly for psychiatric follow up appointments. She provides psychiatric medication management in a comprehensive manner, paying careful attention to each patient's unique biological, psychological, and cultural make-up. She is diligent about keeping up-to-date on the research and expanding frontiers of psychiatry and psychopharmacology. She strongly believes in tailoring treatment in an integrative and collaborative manner to provide the best outcome for each unique patient. In some instances, Dr. Ghim may recommend the addition of a separate therapist in order to help facilitate the best care possible. Dr. Ghim experienced various cultures growing up in different countries and environments, shaping her open-minded demeanor and views, and eventually her interest in the human mind and psychiatry. She earned her bachelor's degree in Molecular Biology with honors, and a Doctor of Medicine (M.D.) degree from the University of Central Florida College of Medicine. She completed her Adult Psychiatric Internship and Residency training in New York City, at the Mount Sinai Morningside and West Hospitals, where she treated a diverse patient population with psychiatric illnesses in emergency, inpatient, and outpatient settings. Dr. Ghim is currently licensed in and seeing patients located in the states of New York, Florida, and Texas for medication management.

Dr. Arjun Kaverimanian is an adult psychiatrist with a clinical approach emphasizing the intersection of medication-based treatment and talk therapy. He earned his medical degree from Saint Louis University School of Medicine, after which he completed his psychiatry residency training at Loyola University Medical Center. During his training, he gained experience across a wide range of mental health settings, including community mental health centers and the Department of Veterans Affairs, and worked at various levels of care—from inpatient units to partial hospitalization and intensive outpatient programs, as well as outpatient clinics.

Dr. Kaverimanian has cultivated a robust skill set in psychotherapy techniques—including psychodynamic therapy, Acceptance and Commitment Therapy, Cognitive Behavioral Therapy, supportive therapy, and mindfulness-based approaches—which he integrates alongside evidence-based medication management.

Dr. Kaverimanian is committed to understanding each patient as a whole, taking into account the interplay of psychological, social, and biological factors that shape a person's mental health. He has particular areas of interest in the treatment of depression, anxiety, and post-traumatic stress disorder.

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Background  and credentials    

Dr. Christa DeFries is a board-certified Adult Psychiatrist. She earned her  medical degree from UT Southwestern Medical School in Dallas, Texas, and  completed her residency in Adult Psychiatry at Baylor Scott & White in  Temple, Texas. Following residency, Dr. DeFries gained additional experience  treating homeless and formerly homeless populations in New York City,  particularly focusing on individuals with histories of trauma and substance  addiction, prior to joining Talkiatry.    

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Treatment approach    

Dr. DeFries practices Adult Psychiatry, employing an integrative treatment  approach combining medication management, psychotherapeutic methods, and  lifestyle modifications. She recognizes that each patient benefits from a  personalized mix of these three aspects of care. Dr. DeFries specializes in  treating diverse psychiatric conditions, including those related to trauma,  substance addictions, and various mental health disorders.    

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What you can expect in a first visit    

In a first visit with Dr. DeFries, patients can expect a comprehensive  evaluation aimed at understanding their individual mental health history,  specific concerns, and overall treatment goals. Dr. DeFries emphasizes an  individualized approach, carefully exploring the best combination of  medication, therapy, and lifestyle adjustments tailored specifically to each  patient's needs. Patients can anticipate an empathetic and collaborative  environment focused on their personal experiences and goals.    

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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. Jisoo Park is a board-certified psychiatrist. She obtained her bachelor's degree from Tufts University, where she double majored in Biopsychology and Art History. She attended medical school at Nova Southeastern University, and completed her psychiatry residency at Stony Brook University Medical Center. After graduating with her residency, she was appointed clinical assistant professor at Renaissance School of Medicine, where she worked at the Treatment Resistant Depression Clinic. She was involved in teaching medical students and residents, and was part of various research studies and publications. Dr. Park treats a variety of psychiatric disorders in adults, including depression, anxiety, and PTSD. She does not treat patients with ADHD. She emphasizes a patient-centered approach and believes that best treatment outcomes result from a strong therapeutic relationship between a patient and a psychiatrist. She offers medication management and therapy through telehealth sessions. She offers sessions in both English and Korean.

Dr. Michael Petetit has worked with people from many different walks of life in clinics, hospitals, and online, providing evidence-based treatments for a wide range of mental health conditions. His professional journey is unique—he began his career as a research chemist, later earned a Master’s degree in psychology and worked with children, before pursuing his medical degree and completing a psychiatry residency.

Dr. Petetit approaches treatment as a true collaboration. He partners with patients to clarify goals and create individualized treatment plans that reflect their priorities and values. He strives to be non-judgmental, direct, and honest in his style, building a therapeutic relationship that supports open communication and trust.

Dr. Petetit begins with a thorough evaluation to understand each patient’s circumstances and challenges. From there, he works with patients to set and prioritize goals, review treatment options, and select a plan that feels both comfortable and practical. As treatment progresses, he regularly revisits and refines the plan, ensuring it remains effective and aligned with the patient’s evolving needs.