Jennifer Millar, LMFT

More Clinicians

Dr. Shay is a board-certified psychiatrist practicing adult general psychiatry since 2014, most recently in the outpatient clinic at VA St. Louis Healthcare System. She earned her bachelor's degree in business at the University of Iowa and worked for years in the insurance industry managing medicolegal issues before deciding to pursue medicine as a second career. Embracing principles of holistic medicine, Dr. Shay completed her medical degree at Midwestern University/Chicago College of Osteopathic Medicine and her residency in general psychiatry at Loyola University Medical Center in the bio-psycho-social model of care. Her broad range of training in university, VA, and state hospital settings and significant life and work experiences prepared Dr. Shay to practice across the diagnostic spectrum. She especially enjoys helping patients with disorders of adjustment, anxiety, attention, mood, and sleep. In her practice, Dr. Shay utilizes medication management along with collaboration, education, motivational interviewing, and other brief psychotherapy interventions during 30-minute follow-up visits to support her patients in achieving their health and wellness goals. Dr. Shay advocates for therapy if needed to enhance recovery, is serious about safe prescribing, and believes teamwork is key.‍

Amanda Kerr, DO

Staff Psychiatrist

Dr. Amanda Kerr is a board-certified Psychiatrist. Her practice focuses on medication management, though she passionately believes in a holistic approach. She attended Boston University for her undergraduate studies and Loyola Marymount University for graduate school. She then completed her training at Midwestern University Arizona College of Osteopathic Medicine for medical school and Rowan University School of Osteopathic Medicine for residency, where she was selected to serve as Chief Resident during her final year. After completion of her residency in 2016, she dedicated seven years to serving a wide range of patients in a community mental health setting, both in-person and via telepsychiatry. She also serves as a provider at an Intensive Outpatient Program. She has experience treating patients with depressive and bipolar disorders, anxiety disorders, PTSD, and OCD. She also has extensive teaching experience in various settings. Dr. Kerr has a gentle and approachable style when providing medication management in conjunction with supportive psychotherapy, and at times Cognitive Behavioral Therapy techniques to more fully address each individual's needs. She utilizes mindfulness approaches as well, which she finds personally meaningful in her practices of meditation and yoga. If Dr. Kerr feels you would benefit from working with a therapist as well, she may recommend and values a collaborative approach.

Anita Rosenberg, LPC

Staff Licensed Professional Counselor

Anita Rosenberg is a Licensed Professional Counselor (LPC), with over 15 years of experience as a therapist. She graduated from Arcadia University in 2007 with a Bachelor of Arts in Psychology and received a Master of Arts in Clinical Counseling Psychology from La Salle University in 2010. Following the completion of her education, Anita spent a decade providing direct patient care and clinical leadership in an inpatient co-occurring disorders treatment facility. She continues to have a passion for working with those navigating struggles with substance use and recovery efforts through the use of person-centered and strengths-based modalities, as well as incorporating 12 step programming. Anita provides care to both adolescents and adults using an eclectic approach based in Cognitive Behavioral Therapy (CBT) and trauma informed care approaches to assist with challenging negative thoughts and beliefs that interfere with experiencing joy in daily life. This allows her to create a safe and comforting environment to serve diverse populations, including individuals within the LGBTQIA+ community. She is also well versed in assisting individuals struggling with depression, anxiety, ADHD, PTSD, grief and loss, eating disorders, chronic mental and or physical health issues, and unexpected life changes. Through treatment, Anita works along with the individual to explore personal thoughts, beliefs, and values that influence one's reactions to their lived experiences. Her approach allows for the exploration and building of healthy coping skills, positive thought replacements, and processing of past and current life events that lead to struggles with daily distress. Through her warmth, compassion, and strong sense of empathy, she strives to provide her clients with an open, positive, and affirming therapeutic relationship.

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.

Sarah Flatin, LCSW

Staff Therapist

Sarah Flatin is a licensed clinical social worker in Massachusetts and Pennsylvania. She received her Master of Social Work degree from Simmons University. Sarah has over three years of experience providing client-centered individual and family therapy services to a wide variety of clients. Sarah has worked in a variety of settings including community mental health, an outpatient clinic, and in-home therapy services. Sarah has experience working with clients who are experiencing anxiety, depression, Attention-Deficit Hyperactivity Disorder, Autism Spectrum Disorder, grief, family and relationship issues, Post Traumatic Stress Disorder, and other mental health concerns. As a clinical social worker, she believes that the best approach to therapy is a collaborative process with the client to achieve their goals. Sarah has experience with modalities including psychodynamic, tri-phasic trauma therapy, cognitive behavioral therapy, and motivational interviewing.

Brianna Quirk, LMHC

Staff Therapist

Brianna Quirk is a licensed mental health counselor in the state of New York. She attended SUNY Oneonta for her Bachelor’s degree in psychology, and went on to Adelphi University where she received her Master’s degree in Mental Health Counseling.

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Brianna has extensive experience working with children, adolescents, and adults with a variety of different struggles. Brianna is trained in cognitive behavioral therapy, and helps her clients to recognize and change harmful and unhelpful patterns of thought and behavior, implement coping skills, and set goals for the future, leading to a happier and healthier existence. She uses techniques from CBT, solution focused therapy, psychodynamic therapy, and more to tailor each client’s sessions to their individual needs.

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Brianna specializes in working with individuals from a variety of different backgrounds and mental health issues: such as anxiety, ADHD, stress, depression, trauma, school avoidance and grief/loss. She also has extensive experience working with members of
the LGBTQ+ community.

Cheryl Dasler, MD

Staff Psychiatrist

Dr. Cheryl Dasler is a double board certified psychiatrist in General Psychiatry and Child and Adolescent Psychiatry. Following completion of her training, she spent the next 10 years fulfilling her passion for indigent care of children, working in a community mental health center. She went on to complete additional training in Functional Medicine, with the goal of offering patients greater insight into the physical factors contributing to their symptoms. She has also trained in Mindfulness Based Stress Reduction, and encourages mindfulness as a healing technique along with medication management. Over the following 10 years, Dr. Dasler treated a broad range of patients in a private practice setting, including children and adults. She is passionate about treating ADHD, and utilizes medications plus skill building in her sessions to help her patients maximize their potential. Her extensive experience also includes treating mood disorders, anxiety disorders, PTSD, and OCD. She believes in a mind-body interconnection, and strives to address both aspects to provide truly holistic care. Patients looking for a psychiatrist will find Dr. Dasler is a warm, compassionate provider who genuinely listens. She works in partnership with patients to find a treatment plan that will be effective, while also being sensitive to financial or insurance coverage factors that may impact care.

Zeynep Altun, MD, PhD

Staff Psychiatrist

Dr. Zeynep Altun is board-certified in Psychiatry and holds a Ph.D. in Neuroscience. Dr. Altun graduated cum laude from Istanbul University, Istanbul Medical School. She completed her residency training in Neurology and is Turkish board-certified in clinical Neurology. Subsequently, she moved to the U.S. and finished her Ph.D. in cellular Neuroscience at Cornell University Graduate School of Medical Sciences. Dr. Altun completed her psychiatry residency training at Albert Einstein College of Medicine, Department of Psychiatry and after, her clinical fellowship in Comprehensive Psychiatric Emergency Program at Columbia University Medical College, New York Presbyterian Hospital. Dr. Altun has practiced in various settings including Bellevue Hospital, New York Presbyterian Hospital, Columbia Doctors Faculty Practice Office, Mount Sinai West and Mount Sinai Morningside Hospitals. Dr. Altun has held various academic appointments at New York University School of Medicine Department of Psychiatry; New York Presbyterian Hospital-Columbia University Medical College Department of Psychiatry; New York State Psychiatric Institute and Mount Sinai School of Medicine Department of Psychiatry. She spent most of her professional career supervising and teaching medical students, psychiatry residents and nurse practitioners. As an adult psychiatrist, Dr. Altun has extensive theoretical knowledge of the nervous system and its disorders and more than 10 years of experience in treating various mental illnesses including mood disorders, anxiety disorders, psychotic disorders, autism-spectrum and neuropsychiatric disorders, psychiatric emergencies and crisis management as well as cognitive behavioral and supportive psychotherapy. In Columbia Doctors, she collaborated closely with the Lieber Recovery Clinic, treating young adults with various mental illnesses. The philosophy of her practice is to collaborate with patients and work together with them so that they can lead symptom-free, productive, and stable lives.

Jessica Grimes, DO

Staff Psychiatrist

Dr. Jessica Grimes is a board-eligible child and adolescent and adult psychiatrist. She is originally from Sylva, NC. She earned a bachelor's degree in religion and minored in biology at The University of the South in Sewanee, TN. She graduated cum laude and was inducted into the order of the gownsmen, an honor society. She earned her doctorate from the West Virginia School of Osteopathic Medicine in Lewisburg, WV. Dr. Grimes completed a traditional rotating internship through WVSOM at Our Lady of Bellefonte Hospital in Ashland, KY and completed residency training in psychiatry at Lake Erie College of Osteopathic Medicine in Erie, Pennsylvania. While in residency, she earned a master's degree in medical education from LECOM. She completed a fellowship in child and adolescent psychiatry at the University of South Carolina School of Medicine, Greenville. During her second year of fellowship at USC-Greenville, she received the "Child & Adolescent Psychiatry Fellow of the Year� award.

Nida Khan, DO

Staff Psychiatrist

Dr. Nida Khan is a board-certified psychiatrist starting her post-graduate practice with Talkiatry. She completed her undergraduate degree in Biochemistry at Smith College, earned her medical degree at New York Institute of Technology College of Osteopathic Medicine and completed her psychiatry residency training at Northwell Health. During her residency, she was involved in resident leadership and education, serving as academic chief resident during her third year of training. Dr. Khan's practice focuses on a holistic, patient-centered approach. Her practice is rooted in evidence-based practices and focuses on providing medication management during 30-minute visits along with supportive therapy to meet the unique needs of individuals under her care. Occasionally, she may believe that additional therapy is needed and may recommend a therapist be brought into your care team for optimal care.

Puja Kumar, MD

Staff Psychiatrist

Background and credentials

Dr. Puja Kumar is trained in adult, child, and adolescent psychiatry and is a board-certified pediatrician. She earned her Bachelor of Science from the University of Calgary and her medical degree from St. George’s University in Grenada. She completed her pediatrics residency at Maimonides Medical Center in New York and practiced pediatrics with MedStar Shah Medical Group in Maryland before transitioning to psychiatry. She later trained in child and adult psychiatry at University Hospitals Cleveland Medical Center.

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Treatment approach

Dr. Kumar provides medication management combined with supportive therapy, typically in 30-minute follow-up visits. She takes a holistic approach to treatment, considering the impact of lifestyle, parenting practices, and family dynamics on mental health. She emphasizes integrative care, ensuring that treatment plans are tailored to each patient’s unique needs and circumstances.

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What you can expect in a first visit

During the first visit, patients can expect a thorough and compassionate evaluation, where Dr. Kumar takes time to understand their symptoms, medical history, and environmental influences. She prioritizes collaborative decision-making, working closely with patients and, when applicable, their families, to develop a comprehensive and personalized treatment plan. Follow-up visits typically focus on medication adjustments, supportive therapy, and lifestyle recommendations to optimize mental health outcomes.

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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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Mu Xu, MD

Staff Psychiatrist

Mu Xu, MD is a Psychiatrist at Talkiatry. He obtained his medical doctorate degree from the University of Chicago Pritzker School of Medicine and PhD from New York University. He completed his psychiatry residency at New York University. Dr Xu is licensed to practice in California, New York, New Jersey, Connecticut, Pennsylvania, and Maryland. Dr. Xu provides both medication management for a variety of psychiatric conditions. Dr. Xu is fluent in English and Mandarin. Dr. Xu is a general adult psychiatrist specializing in medication management. He values building strong connections with patients from all walks of life and tailoring treatments to their unique needs. His working style is characterized by attentive listening, detailed follow-up questions, and straightforward communication, fostering a collaborative and empathetic environment.

Jennifer Millar, LMFT

Education and training

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