Irene Pastis, MD

Background and credentials

Dr. Sonal Harneja is a board-certified adult psychiatrist specializing in medication management and psychotherapy for anxiety and depressive disorders. She earned her undergraduate degree from Stony Brook University and her medical degree from the University at Buffalo School of Medicine and Biomedical Sciences (now called the Jacobs School of Medicine and Biomedical Sciences). She completed her adult psychiatry residency at Montefiore Medical Center/Albert Einstein College of Medicine. Dr. Harneja has held academic appointments at New York Presbyterian/Weill Cornell Medical College and Montefiore Medical Center/Albert Einstein College of Medicine, providing collaborative and client-centered psychiatric care.

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Treatment approach

Dr. Harneja specializes in medication management and supportive psychotherapy, with a strong emphasis on promoting well-being, resilience, and mindfulness. She works closely with patients to develop individualized treatment plans, ensuring that care is collaborative and patient-centered. Follow-up visits typically last 30 minutes, during which she evaluates treatment progress and adjusts care as needed. If additional therapy is beneficial, she may recommend working with a therapist as part of a comprehensive treatment approach.

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What you can expect in a first visit

During the first visit, patients can expect a thorough psychiatric evaluation, where Dr. Harneja takes time to understand their symptoms, medical history, and treatment goals. She prioritizes open communication and trust, working collaboratively to create a personalized care plan that aligns with the patient’s mental health needs. Whether through medication management, therapy, or mindfulness techniques, she aims to foster long-term well-being and emotional resilience.

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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.

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Dr. Steve Paschos is a board-certified Psychiatrist at Talkiatry. He attended Loyola University Chicago on the Lake Shore campus, completing a bachelor's degree in science and a Degree in Classical Studies. He then attended Medical School at Rush Medical College in Chicago and completed a 5-year combined Internal Medicine & Psychiatry residency in 2011. Dr. Paschos subsequently completed a 1-year fellowship in Geriatric Medicine at Rush University Medical Center. He has spent the last 12 years fulfilling his passion for integrating Internal Medicine & Psychiatry, working with a diverse range of patients suffering from severe mental illnesses. ‍Dr. Paschos' years of experience have included working at Cook County Health Services � Cermak Health Services at Cook County Department of Corrections with an extremely diverse patient population with varying psychiatric illnesses. He has also worked as an inpatient psychiatric hospitalist and as the director of the Intensive Care Unit at Chicago Behavioral Hospital in Illinois. Dr. Paschos also acted as a medical director of an IOP and established an outpatient psychiatric practice in conjunction with the Intensive Outpatient Program. He has had the opportunity and privilege of treating individuals who suffer from various diagnoses, especially challenging patients who have suffered from integrated or Med-Psych concerns involving primary mood disorders, Bipolar Affective disorders, prior trauma, severe medical problems/diagnoses along with concurrent personality pathology. ‍Dr. Paschos utilizes supportive psychotherapy, brief cognitive behavioral therapy, and at times psychodynamic therapy to address his patients' current complaints and to identify the locus of their symptoms. He believes in utilizing an all-encompassed approach using mindfulness and various psychotherapies along with comprehensive medication management. To quote Hippocrates "Where there is love for the art of medicine there is a love of humanity.”

Dr. Richard McCall is a board-certified psychiatrist with over 25 years of comprehensive experience in delivering exceptional mental health services across various settings. He received his medical degree from the University of Virginia School of Medicine and completed his Psychiatry residency training at Duke University School of Medicine. He treats adult patients of all ages and is known for a compassionate, patient-centered approach. Dr. McColl integrates psychopharmacology with multiple psychotherapy modalities. He has specialized training in psychodynamic psychotherapy, Cognitive Behavioral Therapy (CBT), Dialectical Behavior Therapy (DBT), Acceptance and Commitment Therapy (ACT) and more. He looks forward to helping patients reach their goals for mental health care while providing a compassionate and collaborative environment.

Dr. Jennifer Hailey is a board-certified psychiatrist in Psychiatry. She completed her undergraduate training at Michigan State University followed by medical school at Nova Southeastern University College of Osteopathic Medicine. She has completed a residency in psychiatry at Michigan State University. Dr. Hailey has worked in many different settings including private hospitals, jails, military treatment facilities and private practice. She enjoys educating her fellow providers who specialize in psychiatry as well as other areas of medicine. She has a genuine interest in treating a vast array of psychiatric disorders including depression, anxiety, post-traumatic stress disorders, obsessive compulsive and personality disorders. She also has experience in treating patients with medical comorbidities and has training in issues related to women's health.

Dr. Dopkin is a board-certified adult and child psychiatrist dedicated to helping patients feel well and stay well. A Long Island native, he earned his bachelor’s degree from Cornell University before attending St. George’s University School of Medicine. He completed his adult and child psychiatry training at Brown University. For over two decades, Dr. Dopkin has served New York City communities across Queens, Manhattan, and the Bronx, primarily within the public hospital system. He has held clinical, academic, and administrative leadership roles and has been recognized for his excellence in teaching and mentoring psychiatry residents. He also serves as Assistant Dean of Students for the U.S. clinical program at St. George’s University

Dr. Dopkin provides patient-centered care grounded in a biopsychosocial approach. He collaborates with each patient to tailor treatment plans that integrate evidence-based medication options with interpersonal and supportive therapy. He has worked with patients of all ages and backgrounds, including individuals from marginalized communities and those coping with trauma, depression, anxiety, and comorbid medical conditions.

With warmth and respect, Dr. Dopkin meets each patient where they are, helping them find the path that works best for their unique needs and goals.

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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