Thomas Reis, LICSW

More Clinicians

Dr. Mullenix is a board-certified adult psychiatrist who strives to form strong therapeutic and collaborative environments with patients and values patient empowerment. Dr. Mullenix received his medical degree from the Chicago Medical School and then went on to complete his residency in psychiatry at Advocate Lutheran General Hospital. His interests and expertise are in helping patients struggling with depression, anxiety, including social/obsessive compulsive and generalized anxiety disorders, and ADHD. He provides psychiatric medication management along with supportive, cognitive behavioral therapy (CBT) and other modalities of therapeutic treatment. Dr. Mullenix's practice focuses primarily on medication management, or pharmacotherapy. He routinely incorporates supportive therapy into his 30-minute follow-up visits. Dr. Mullenix may occasionally recommend that a therapist be part of the care team to provide optimal outcomes. The philosophy of his practice is to actively involve patients in the decision-making process to improve adherence to treatment and build trusting relationships with all patients.

Thomas Sargent, MD

Staff Psychiatrist

Thomas Sargent, MD, holds a master's degree in pharmacology and a Doctor of Medicine from Tulane University School of Medicine. He completed his psychiatry residency at the Icahn School of Medicine at Mount Sinai West/Morningside in New York City. Over the past four years, he has treated a wide range of mental health conditions in various clinical settings. Dr. Sargent has extensive experience treating mood, anxiety and psychotic disorders, PTSD, OCD, personality disorders, and substance use issues. He utilizes both medication management and psychotherapy to provide comprehensive care. Dr. Sargent has received specialized training at the VA and the Center for Intensive Treatment of Personality Disorders in NYC. Passionate about holistic treatment, Dr. Sargent considers the biological, psychological, and social factors that influence mental health. He believes in addressing core issues through targeted care rather than defaulting to prescribing multiple medications. Dr. Sargent strives to create a supportive environment where patients can openly express their concerns. He believes in shared decision-making to ensure that care is evidence-based but also tailored to each patient's unique needs. Dr. Sargent takes the time to thoroughly explain diagnoses and treatment options, empowering patients to make informed decisions about their mental health. His approach emphasizes patient autonomy and aims to build trust, leading to more effective and personalized care outcomes.

Bryce Cragg, MD

Staff Psychiatrist

Dr. Bryce Cragg is a board-certified psychiatrist with over 10 years of experience in medicine, medical education, and research. He has a special interest in treating anxiety and depression, and he is passionate about helping his patients achieve their mental health goals. Dr. Cragg is a strong advocate for evidence-based treatments, and he is committed to providing his patients with the highest quality of care.

Candace Gillespie, LPC

Staff Therapy

Candace L. Gillespie is a therapist at Talkiatry. She has worked with clients in many settings including as a school counselor, a private practice therapist, and for major virtual therapy platforms as well. Candace received her Master's of Education degree in School Counseling with Community Counseling hours from Delta State University. She has an Educational Specialist degree in Educational Leadership, an Educational Doctoral Degree in Organizational Leadership, and a Master of Science degree in Human Resource Management. She is multi-state licensed in Mississippi, Tennessee, & and Georgia as a Licensed Professional Counselor. She is licensed in Idaho as a Licensed Clinical Professional Counselor. Candace is also a National Certified Counselor and National Certified School Counselor by the National Board for Certified Counselors. Treatment modalities include Client Centered therapy, Cognitive Behavioral Therapy, Psychodynamic Therapy, Motivational interviewing, & and Dialectical Behavioral Therapy.

Carmen Orellana Martinez, MD

Staff Psychiatrist

Dr. Carmen Orellana is a Staff Psychiatrist at Talkiatry who has been in practice for over 6 years, both in the U.S. and abroad. She is double board-certified in child and adolescent psychiatry and adult psychiatry. Dr. Orellana's practice focuses on medication management. She strives to provide exceptional medical care and has extensive experience in treating persons with diverse behavioral disorders and backgrounds. Dr.Orellana involves her patients in all decisions about their health, and provides care that is respectful of patient preferences, needs, and values. Typically, she would recommend evidence-based treatments to her patients and may, occasionally, believe that concurrent therapy is also needed. She would ask that you bring a therapist into your care team to provide the best outcome. Dr.Orellana received her medical degree from Universidad Evang�lica de El Salvador. Dr. Orellana completed a residency in Psychiatry and a fellowship in child and adolescent psychiatry at the Southern University School of Medicine in Springfield, Illinois. After completing her training, Dr. Orellana remained in the school, where she worked as an Assistant Professor of Child and Adolescent Psychiatry, supervising and teaching medical students, residents, and fellows, and treating patients with various psychiatric conditions. Dr. Orellana has experience in treating treatment-resistant mood disorders with electroconvulsive therapy (ECT) and transcranial magnetic stimulation (TMS).‍

Alicia Batson, MD

Staff Psychiatrist

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.

John Whittier, MD

Staff Psychiatrist

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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Amy Bichsel Pacheco Pina, LCSW

Staff Therapist

Amy Bichsel Pacheco Piña is a compassionate and experienced psychotherapist dedicated to helping individuals navigate the complexities of life with resilience and confidence. Amy holds a Master's in Social Work from the University of Nebraska-Omaha in 2008 and is licensed as a Licensed Clinical Social Worker (LCSW). With 16 years of experience in the mental health field, Amy specializes in anxiety, depression, trauma (including Narcissistic Abuse), and grief. Amy prides herself on creating a non-judgmental and healing environment that allows for self-discovery and assists clients in identifying their authentic selves. She has experience in many methods and techniques, ensuring that her approach integrates evidence-based practices with experiential techniques which are tailored to each client's unique needs to allow for nervous system regulation and a sense of safety within themselves. She believes in fostering a collaborative therapeutic relationship where clients feel empowered to set and achieve meaningful goals. From a holistic perspective, Amy incorporates techniques such as identifying strengths, mindfulness, polyvagal techniques, challenging core belief systems, early childhood, and attachment types to heal the mind, body, and spirit. When not working with clients, Amy enjoys being outdoors, reading, and spending time with her husband, son, and two dogs.

Angel Vest, LCSW

Staff Therapist

Angel Vest is a licensed clinical/independent social worker with extensive experience working in the mental health and substance use fields. Angel has worked with patients of various populations with differing levels of need. Angel's undergraduate university, where she obtained her Bachelor of Arts with a concentration in psychology, is located in Portsmouth, OH. Her graduate school, where she completed her Master's of Social Work with a concentration in advanced clinical practice, is located in Minneapolis, MN. Angel's internships were completed in Portsmouth, OH, and academic residencies were completed in Atlanta, GA. Angel has been treating substance use disorders since 2016 and other mental health conditions since 2019. She uses an eclectic and trauma-focused approach with a foundation in Motivational Interviewing and Cognitive Behavioral Therapy, accompanied by somatic interventions to enhance the mind-body connection. Angel specializes in the treatment of Insomnia Disorder, Obsessive-Compulsive Disorder, depression, anxiety, and trauma-related disorders. Angel prioritizes the therapeutic relationship as a collaborative one and will work with you to address any barriers to overall health, happiness, and well-being.

David Sahadevan, MD

Staff Psychiatrist

Dr. Sahadevan took an adventurous path to Talkiatry. After perhaps thinking a little too hard about Intro to Philosophy in college - "the unexamined life is not worth living” - he first used his chemistry degree to work in pharmaceutical research. He changed course, working in computer network engineering, before deciding to find a more meaningful path. He worked as an EMT, then earned a Master's in Physiology before finally landing in medical school at Ohio State. Finding a surprising interest in psychiatry, he stayed at Ohio State for residency, and then a fellowship in forensic psychiatry. He is board-certified in both Psychiatry and Forensic Psychiatry. He previously worked as a forensic psychiatrist and evaluator at Ohio's maximum-security state psychiatric facility, as an attending psychiatrist running an inpatient unit for violent or dangerous patients, performing court-ordered evaluations, writing reports, and testifying when necessary. Dr. Sahadevan has also worked as a consultation-liaison psychiatrist, performing psychiatric consults at several general hospitals in Central Ohio's largest hospital system. He found great enjoyment in teaching successive generations of residents and medical students, serving as an adjunct faculty member at Ohio State, Ohio University, Wright State, and OhioHealth Riverside Methodist Hospital. He is excited for the next chapter of his journey, exploring another area of psychiatry at Talkiatry!

Connika Green, LCSW

Staff Therapist

Connika Green is an LCSW whose passion for helping others was inspired by her upbringing in Memphis, Tennessee. Her parents founded a nonprofit organization to support individuals recovering from substance use and assist those experiencing homelessness. Watching their dedication to service instilled in her a lifelong commitment to helping others. After high school, Connika joined the U.S. Air Force, where she served as a combat veteran during a tour in Afghanistan. Her military experience helped her develop teamwork, discipline, and cultural competence through working with individuals from diverse backgrounds. She also completed an internship on a military installation and worked for a year at the Veterans Affairs hospital, combining her personal and professional understanding of the unique challenges faced by service members and veterans. Connika earned her bachelor's degree in Social Science from the University of Nevada, Las Vegas, and her master's degree in Social Work from Salisbury University in Maryland. Connika has extensive experience as a therapist in community mental health agencies, a school mental health counselor, and in teletherapy. She specializes in treating mood disorders, anxiety, depression, and substance use issues. She provides a warm, nonjudgmental, and supportive environment where clients feel safe to explore challenges and build resilience. Connika is passionate about helping individuals achieve their goals and create meaningful, lasting change.

Angela Shields, MD

Chief Psychiatrist, Tennessee

Dr. Angela Shields is a board-certified adult psychiatrist with over 10 years of experience. Dr. Shields' clinical expertise includes treating adults with depression, anxiety, PTSD, and substance abuse. Dr. Shields' greatest passion is bringing healing and hope to those experiencing stress in their lives. Dr. Shields takes an evidence-based, whole health approach to patient care and believes in meeting you "where you are” on your road to recovery. Dr. Shields will welcome you with empathy and sincerity combined with a direct approach to treatment. Dr. Shields grew up in Gulf Breeze, FL. She obtained her Bachelor of Science from Cornell University, graduating Summa Cum Laude. She then completed the Medical Scientist Training Program at Vanderbilt Medical School, earning both her MD and her Ph.D. in Molecular Physiology and Biophysics. Her Ph.D. research focused on stress and its role in relapse to addiction. Following a four-year residency in Psychiatry at Vanderbilt Medical Center, Dr. Shields became board certified in both General Psychiatry and Addiction Medicine. Dr. Shields lives in Nashville, TN. She enjoys hiking, cycling, reading, puzzles, and travel.

Thomas Reis, LICSW

Education and training

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