Mark Simonds, MD

Background and credentials

Dr. John Whittier is a board-certified psychiatrist. He earned his Bachelor of Arts in Molecular, Cellular, and Developmental Biology from the University of Colorado at Boulder and went on to obtain a master’s degree in Medical Science from Loyola University Chicago. He completed his medical training at the Robert Larner, M.D. College of Medicine at The University of Vermont and returned to Colorado for his psychiatry residency at the University of Colorado School of Medicine. While in residency, he specialized in the Psychotherapy Scholars Program and has since gained four years of experience treating psychiatric conditions through telehealth.

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Treatment approach

Dr. Whittier primarily focuses on medication management for general psychiatric conditions. His approach is individualized, ensuring that each patient receives a treatment plan tailored to their unique needs. He integrates supportive therapy, medications, and evidence-based alternative therapies to provide a flexible and comprehensive approach. In addition to his general practice, he maintains a psychodynamic psychotherapy panel where he helps patients explore developmental and relational patterns that contribute to their symptoms. His specialties include treating depression, anxiety, adjustment disorders, PTSD, insomnia, bipolar disorder, and ADHD.

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What you can expect in a first visit

During the first visit, patients can expect a one-hour comprehensive intake during which Dr. Whittier thoroughly evaluates their symptoms, medical history, and personal goals. He provides treatment options that prioritize flexibility, allowing patients to take an active role in their care. Follow-up visits typically last 20 to 30 minutes, focusing on assessing treatment progress and making necessary adjustments. For those engaged in psychodynamic psychotherapy, longer one-hour sessions are available for in-depth exploration of underlying psychological patterns.

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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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Jill Condon is a board-certified Psychiatric Nurse Practitioner with Talkiatry. She obtained a Bachelors of Arts in Psychology from Anderson University in 2011, and went on to obtain her Masters of Science in Nursing from Vanderbilt University in 2016. She has over 8 years of experience working with clients of all ages. She has experience working in community mental health, private practice, and inpatient populations. She has experience working with a variety of mental health concerns including ADHD, anxiety, depression, OCD, and PTSD.

Jill has a passion for fostering whole person health in her clients. She has a direct and collaborative approach to care. She will work with you to discover where you are in your mental health journey and create an individual plan for moving towards healing. She helps you explore how all facets of your health are affecting your mental health.

The process starts with an in-depth initial assessment that includes looking at physical, mental, emotional, social, spiritual, and environmental wellbeing. She utilizes a variety of techniques including psychiatric medications, supportive therapy interventions, and lifestyle modifications to help you reach your goals.

*THIS PROVIDER CANNOT PRESCRIBE CONTROLLED SUBSTANCES FOR NH PATIENTS* Doctor Phillip Sullivan is a staff psychiatrist at Talkiatry. He is board certified in both adult psychiatry and child and adolescent psychiatry. His interest in psychiatric treatment was originally triggered by the humanistic writings of Abraham Maslow, Carl Rogers, and Rollo May. As he earned his medical degree and started post-graduate psychiatric training, he went on to learn psycho-pharmacological, cognitive-behavioral, and psychodynamic treatment approaches. He combines these perspectives in diagnosing and treating psychiatric conditions including depression, bipolar spectrum disorders, anxiety, stress and trauma related disorders, adjustment problems, maternal mental health, OCD, ADHD and other disorders. His practice focuses on supportive pharmacological treatment, and he sees listening and empathy as essential elements of the treatment process. He strives to provide a comfortable experience in which doctor and patient work together to understand the presenting problems, develop a treatment plan, reduce symptoms, and optimize functioning. Doctor Sullivan supports and encourages concurrent psychotherapy and will work collaboratively with therapists to optimize the best treatment results. Doctor Sullivan received his MD degree from Brown University Alpert School of Medicine. After completing a medical-surgical internship, he went on to a residency in adult psychiatry and a fellowship in child and adolescent psychiatry at Harvard Medical School's Massachusetts Mental Health Center. He has held academic appointments at Harvard Medical School and the University of New England School of Osteopathic Medicine. In the 36 years following completion of his training, he has worked as the medical director of a mental health center on the under-served Eastern Shore of Maryland, as the medical director of a child and adolescent psychiatric inpatient unit, as a staff psychiatrist at New Hampshire's Dartmouth Hitchcock Clinic, and as the medical director of child and adolescent psychiatric services at Concord New Hampshire's mental health center. Before joining Talkiatry, he served for 18 years as the chief of psychiatry at Southern New Hampshire Medical Center where he also spent three years as the hospital's chief of staff.

Dr. Batson is a board-certified adult psychiatrist who has been in practice for over 20 years. At the heart of Dr. Batson's approach to clinical care is a deep understanding, both professionally and personally, of the effects of trauma and stress on our brains, our bodies and our lived experience. She helps every patient understand the events that have led them to where they are and to find the path to recovery for strength and healing. While Dr. Batson's professional career has spanned the breadth of mental health care, she specializes in helping patients who suffer from the debilitating effects of post-traumatic stress disorder (PTSD), anxiety disorders such as generalized anxiety, panic disorder, obsessive compulsive behaviors, phobias and depressive disorders. Many of these patients also suffer from debilitating physical conditions such as chronic pain, muscle tension, headaches, gastrointestinal symptoms and other physical manifestations of a chronically activated stress response. Dr. Batson's experience has taught her that these conditions can be treated, and even cured, with a tailored approach of psychopharmacology and mind-body psychotherapeutic approaches to healing. Dr. Batson received a bachelor's degree in European Studies from Vanderbilt University, a medical degree from the University of Tennessee Health Sciences Center and completed a combined internal medicine and psychiatry residency at the University of Iowa Hospitals and Clinics. She is board-certified by The American Board of Psychiatry and Neurology. Her clinical experience treating patients spans the breadth of mental health care delivery, including community mental health care of severe and persistent mental illness, consult-liaison psychiatry, inpatient care on combined medical and psychiatric hospital units and telehealth psychiatry. For over 10 years, she has been specializing in helping patients with stress/trauma-induced physical symptoms caused by neural pathways in the brain; most of these patients are able to significantly decrease and even cure their symptoms. Dr. Batson enjoys meeting new patients and looks forward to learning your Life Story. When not at work, she enjoys all things outdoors - gardening, hiking, biking, adventure travel, and learning about the natural world.

Dr. Kazi Hossain is a board-certified psychiatrist with a strong commitment to providing compassionate and comprehensive mental health care. Dr. Hossain developed an early interest in the biological sciences, which led him to pursue a Bachelor's degree in Biology from George Mason University. He earned his medical degree from the American University of Antigua College of Medicine in 2012 and subsequently completed his psychiatry residency at East Carolina University, graduating in 2016. Most recently, Dr. Hossain has served as an inpatient psychiatrist in Florida, where he has been dedicated to supporting individuals during their most vulnerable moments. His approach combines clinical expertise with a genuine understanding of his patients' diverse backgrounds and experiences. Dr. Hossain is deeply aware of the cultural nuances that can influence mental health. He takes pride in bringing this perspective to his practice, ensuring that every patient feels seen, heard, and respected. Dr. Hossain is passionate about giving back to the community. He regularly hosts seminars to raise awareness about mental health, break stigmas, and encourage open, meaningful conversations. His dedication to psychiatry stems from a desire to make a difference in the lives of his patients. Dr. Hossain's combination of professionalism, empathy, and cultural understanding makes him a trusted partner in his patients' journeys toward healing and well-being.

Dr. Jabari Jones is a Board-Certified Psychiatrist and an Emotional Health Consultant who has worked extensively with individuals and groups in both the public and private sectors for over a decade. His areas of focus are anxiety, depression, lifecycle-issues, and trauma. Dr. Jones has an interest in Positive Psychology -- a field of study dedicated to human well-being and flourishing. In addition to offering traditional care (Medication and psychotherapy), he also helps patients implement evidence-based interventions such as physical exercise, journaling, and meditation into their lifestyle to help them achieve their unique goals.