Cheryl Dasler, MD

Dr. Santos is a psychiatrist with more than 4 years of experience practicing in a variety of settings with an emphasis on psychiatric outpatient care. She is experienced in treating several psychiatric disorders including but not limited to: Bipolar and Related Disorders, Depressive Disorders, Anxiety Disorders, Trauma and Stressor Related Disorders, Obsessive-Compulsive and Related Disorders, and Substance Related and Addictive Disorders. Dr. Santos received her medical degree from the University of Queensland in Brisbane, Australia / Ochsner Clinical School in New Orleans, Louisiana. She completed her residency training at Louisiana State University in Shreveport, Louisiana. Dr. Santos tailors her approach to the individual patient. She focuses on medication management and incorporates several therapeutic techniques including supportive therapy, cognitive behavioral therapy, acceptance therapy and mindfulness.

Bethanie is a board-certified Mental Health Nurse Practitioner who earned her Psychiatric Mental Health Nursing credentials and a Master’s in Psychiatric and Mental Health Nursing from Columbia University School of Nursing, where she was inducted into the Sigma Theta Tau Nursing Honor Society. She has been in practice for over 10 years, providing care to individuals with anxiety, depression, bipolar disorder, and schizophrenia. Bethanie also has a strong passion for supporting women’s mental health during the perinatal phase of life.

She believes in a collaborative partnership with her clients, working together to develop a mutually agreed-upon plan of action that maximizes the chances of success.

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Thomas Ittoop, MD has experience practicing in both academic and community settings. He earned his medical degree from Central Michigan University and completed his psychiatry residency at Baylor College of Medicine. His background reflects a commitment to comprehensive, patient-centered care grounded in clinical rigor and human understanding.

Dr. Ittoop fosters a warm, collaborative environment rooted in genuine human connection. He values uncovering core patterns, meaning, and the story beneath symptoms. His approach emphasizes curiosity, emotional insight, and self-understanding. Patients can expect transparency, clear communication, and shared goal-setting that honors their strengths, long-term vision, and capacity for resilience and wholeness.

He begins with a thorough initial evaluation exploring symptoms, personal and family history, personality patterns, and desired life changes. Together, he and his patients identify core goals and develop a personalized treatment plan. His integrative therapeutic style includes thoughtful medication management, regular check-ins, and a focus on long-term transformation—building clarity, resilience, and a grounded sense of self that extends beyond treatment.

Dr. S. Taylor Williams is a psychiatrist with Talkiatry. She is board-certified in psychiatry and has been practicing over 14 years. Dr. Williams received her MD from the University of Alabama School of Medicine at UAB. She completed her psychiatry residency at the University of Tennessee Health Science Center. Prior to joining Talkiatry, she held an academic appointment at UTHSC as Assistant Professor of Psychiatry and was the Clinical Director of the Memphis Mental Health Institute. She specializes in the treatment of young adults and LGBTQ patients. Her practice focuses on medication management.‍

Background and credentials

Dr. Nilesh Tannu is a board-certified psychiatrist by the American Board of Psychiatry and Neurology. He earned his medical degree from B.J. Medical College in Pune and completed his adult psychiatry residency at the University of Texas Medical School at Houston, where he served as chief resident. During his training, he received awards from the Society of Biological Psychiatry, the American Academy of Addiction Psychiatry, and the American Psychiatric Institute for Research and Education. He has been practicing General Psychiatry and Consultation-Liaison Psychiatry for the past seven years at Texas Medical Center in Houston, Texas. Additionally, he has served as an assistant professor of psychiatry at the Texas Medical Center, working at UT Physicians Clinics and Memorial Hermann Hospital. He is also a member of the Editorial Board for BMC Genomics Journal.

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Treatment approach

Dr. Tannu follows the bio-psycho-social model to provide evidence-based psychopharmacologic treatment. He integrates supportive therapy and cognitive-behavioral therapy (CBT) modalities into his practice to create personalized and comprehensive treatment plans. He is committed to mental health care, education, and helping patients achieve optimal functioning in their personal and professional lives. His clinical expertise includes ADHD, anxiety disorders, depressive disorders, bipolar disorder, psychotic disorders, insomnia, eating disorders, and complex medical comorbidities.

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What you can expect in a first visit

During the first visit, patients can expect a comprehensive assessment where Dr. Tannu takes the time to understand their symptoms, treatment history, and personal goals. He employs a collaborative approach to develop a tailored treatment plan that may include medication management and therapy interventions. His focus is on evidence-based care, ensuring that patients receive treatments that are scientifically backed and aligned with their individual needs.

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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. Richard Shehane completed medical school at the University of Nevada School of Medicine and then went on to complete psychiatry residency training at Naval Medical Center San Diego. Dr. Shehane is a board-certified psychiatrist that specializes in the treatment of depression, anxiety, PTSD, bipolar disorder, schizophrenia, personality disorders and ADHD. Dr. Shehane has also worked extensively with patients that have experienced sexual trauma in their past and patients struggling with substance and alcohol use addictions.

Dr. Shehane will focus on two main approaches to mental health treatment: medication management and psychotherapy. Appointments will focus on a mix of interactions aimed at tailoring each patient’s specific medication needs as well as promoting mental health wellness through different types of evidence-based therapy techniques including mindfulness, CBT, CPT and psychodynamic psychotherapy.

Dr. Shehane works together patients to develop a plan that fits each patient’s individual needs. Initial appointments will focus on identifying and treating primary concerns, and then later appointments will center on building upon the therapeutic relationship to increase self-awareness, promote emotional insight, and secure lasting positive mental health changes.

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