Peter Szeibel, MD

Dr. Dennis Valerstain is a board-certified Adult and Child and Adolescent Psychiatrist. After completing his undergraduate education at Emory University, he attended medical school at the Northwestern University Feinberg School of Medicine. He subsequently completed psychiatry residency at University of Miami/Jackson Health System and further sub-specialized at University of Miami/Jackson Health System with a fellowship in Child and Adolescent Psychiatry. Dr. Valerstain has had the opportunity of working with a diverse array of patients including children, adolescents, the severely mentally ill, veterans, and cancer patients across three distinct hospital systems. Dr. Valerstain has had varied clinical experiences in specialty inpatient psychiatry units, emergency psychiatry, consultation liaison psychiatry, psycho-oncology, and outpatient clinics via telemedicine and face to face interactions. Dr. Valerstain has experience working with patients of all ages, particularly those with depression, anxiety, bipolar disorder, ADHD, Tic disorders, substance use disorders, and more. Dr. Valerstain's practice focuses on medication management and also employs empathic listening, supportive psychotherapy techniques, and a comprehensive and methodological approach to his visits. Given his broad and diverse training experiences, he enjoys problem solving and working collaboratively with patients (and their families) to navigate their complex issues and jointly focusing on simple solutions to work towards improving their mental health.

Dr. Mo Basith is a board-certified psychiatrist in the field of general adult psychiatry. He offers a mix of pharmacotherapy in conjunction with psychotherapy in 30-minute sessions. Dr. Basith's approach to clinical practice is rooted in fostering a safe atmosphere in which to explore biological and psychosocial factors that affect mental health. He views medication as a tool that patients can use while also engaging in psychotherapy and making lifestyle changes to optimize their mental health. He encourages patients to be actively involved in their healthcare decisions. Although he has an integrative psychotherapy style, Dr. Basith may occasionally believe additional therapy is needed and ask that you bring a therapist into your care team to provide the best outcome. Dr. Basith received his medical degree at Jefferson Medical College in Philadelphia, Pennsylvania. He then went on to complete a general psychiatry residency training at Penn State College of Medicine in Hershey, Pennsylvania. Since completing his training, Dr. Basith has been working with a wide variety of adults, including as a staff psychiatrist at Georgetown University's Counseling and Psychiatric Service. He has experience treating patients with a wide range of psychiatric concerns including various anxiety disorders, depression, bipolar spectrum disorders, obsessive-compulsive disorder, and substance use disorders. Dr. Basith utilizes pharmacotherapy along with facets of cognitive behavioral therapy, psychodynamic psychotherapy, and supportive therapy as needed.

Dr. Jane Eisen comes to Talkiatry from her previous position at McLean Hospital, in Boston, where she was Clinical Director of the Depression and Anxiety Division, overseeing the integration of clinical work, faculty development, and research in the division. Clinically, she has experience working with people with significant mood and anxiety difficulties. Dr. Eisen's practice focuses on using an integrated approach to the understanding and treatment of individuals' psychosocial stresses and psychiatric symptoms. Her sessions are usually 30 minutes. She frequently suggests including a family member or friend in at least one session to get a comprehensive sense of each person's strengths and challenges. She received her medical degree from NYU and completed her psychiatric residency at Mt. Sinai Hospital. She spent a number of years in the Brown system, as Training Director for the Brown Psychiatry Residency and as Vice-Chair of the Brown Department of Psychiatry. For several years, she served as Chair of the Department of Psychiatry at Mt. Sinai West/St. Lukes' prior to her position at McLean, as Clinical Director of the McLean Hospital Depression and Anxiety Division. She has worked primarily with outpatients with the exception of a recent period of residential work at the Pavilion at McLean Hospital. Dr. Eisen is a general psychiatrist with a focus on anxiety disorders, OCD, and mood disorders. She is interested in the impact of trauma and personality and has extensive experience working with young adults.

Dr. Osaji is an Adult Psychiatrist who completed her psychiatry training at Texas Tech University Health Sciences Center, Lubbock, Texas. She served her program as a chief resident, which helped to build her leadership and interpersonal skills. She also dedicated herself to leading her resident team and fostering a supportive learning environment. She received the award of excellence in psychiatry knowledge during her residency training. She also has a Master's in Public Health from Texas Tech University Health Sciences Center and is a Phi Kappa Phi Honor Society member.

Dr. Osaji is an adult outpatient psychiatrist who provides care via telehealth. She strives to create a supportive, collaborative space where patients can explore what's bringing them in and work together to determine the best path forward. Whether someone is new to mental health care or returning after some time away, Dr. Osaji recognizes that it's normal to feel a mix of emotions at the start. She takes a thoughtful, personalized approach to treatment that may include medication, therapy recommendations, or simply creating space to talk. While telehealth offers flexibility and convenience, Dr. Osaji is committed to building a meaningful connection with each patient. She does not provide emergency services between sessions but ensures patients can access the appropriate resources when needed. As someone early in her career, Dr. Osaji brings fresh training and a strong commitment to transparency, lifelong learning, and evidence-informed care. She values open communication and believes deeply in each person's capacity for meaningful change.

Dr. Osaji creates a supportive, collaborative space to help patients explore their mental health concerns and goals. She takes a personalized approach that may include medication, therapy referrals, or check-ins, always valuing patient input. Follow-up visits are 20 to 30 minutes, focusing on monitoring progress and adjusting care as needed. She offers convenient access through telehealth while building meaningful, transparent relationships rooted in respect and growth. Dr. Osaji also values collaborative care and often coordinates with therapists or refers patients to therapy when additional support can enhance outcomes.

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Dr. Laura Obler is board-certified in adult psychiatry. She received her medical degree from David Geffen School of Medicine at UCLA in Los Angeles, California, where she stayed to complete her psychiatry residency at the UCLA Semel Institute for Neuroscience. During residency she received specialized training in reproductive psychiatry (the treatment of women who are considering pregnancy or are pregnant or postpartum) and acted as Chief Resident of the Women's Life Center at UCLA. Dr. Obler has experience working with a diverse group of patients. She has previously worked in community clinics in the greater Los Angeles area and as a staff psychiatrist at UCLA. She prefers a holistic approach to psychiatric treatment and therefore uses a combination of medication management and talking therapies to treat patients. Techniques she may utilize include cognitive behavioral therapy, experiential psychodynamic therapy, mentalization based therapy, and medical hypnosis.

Melissa Sims, MSN, APRN, PMHNP-BC, is a board-certified psychiatric mental health nurse practitioner who is passionate about delivering high-quality, compassionate, and comprehensive mental health care. She earned her Master of Science in Nursing from the University of Alabama at Birmingham in 2022 and has since worked in both community mental health and correctional settings.

Melissa takes a collaborative approach to care, working closely with other mental health professionals, medical providers, families, and relevant support systems to ensure well-rounded treatment. She emphasizes a patient-centered, individualized approach, combining medication management with psychotherapy to meet each person’s unique needs.

Patients working with Melissa can expect a thorough evaluation, accurate diagnosis, and a personalized treatment plan tailored to their mental health goals. One of her core priorities is to empower individuals to make informed decisions about their care by providing education grounded in research, evidence-based practices, and clinical experience.

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