Shari Sengupta, MD

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Dr. Nieves-Alvarado is a board-certified psychiatrist who completed medical training at Duke University Psychiatry Program. Originally from Puerto Rico, she is fluent in both English and Spanish, which allows her to connect deeply with a diverse patient population. Her practice combines medication management with insight-oriented therapy during every visit, promoting a comprehensive approach to mental health care. She advocates for her patients to engage in therapy alongside medication management, as she believes this integrated approach leads to better outcomes and sustained improvement. Dr. Nieves-Alvarado's practice is rooted in a collaborative, team-based approach, working closely with her patients to achieve long-term mental wellness. Dr. Nieves-Alvarado earned her medical degree from the Universidad Central del Caribe School of Medicine in Bayamon, PR. Afterward, she moved to North Carolina, where she completed her residency at Duke University Hospital. During her training, she was nominated for a fellowship in psychodynamic practice by the Psychoanalytic Center of the Carolinas, showcasing her expertise in this area. She is also a dedicated advocate against childhood sexual trauma. Her diverse training includes significant experience in jail and forensic psychiatry, as well as the treatment of military veterans under the Veterans Affairs health care system. She has experience in medically assisted treatments (MAT) for substance use disorders, Electroconvulsive therapy (ECT), and family therapy, enabling her to care for patients with complex needs. Dr. Nieves-Alvarado treats patients across a wide age range, from young adults to the elderly. Passionate about improving access to mental health care, she joined Talkiatry to help patients facing time or transportation challenges receive the care they need. In addition to her clinical practice, Dr. Nieves-Alvarado remains involved with her alma mater's Behavioral Health Department, contributing to academic education and maintaining a connection with the next generation of medical professionals. She continues to seek ongoing improvement in her field, remaining engaged with medical associations including North Carolina Psychiatric Association, American Psychiatric Association, and Alpha Omega Alpha national medical honor society. Dr. Nieves-Alvarado is committed to working hand-in-hand with her patients to achieve mental wellness.

Shubhada Reddy, MD

Staff Psychiatrist

Dr Reddy is double board certified in adult as well as child and adolescent psychiatry. She has experience working at various levels of mental health care. Dr. Reddy has most recently served as the medical director for a partial hospitalization/intensive outpatient program (PHP/IOP) for adolescents in the Dallas/Fort Worth area. She completed her general psychiatry residency at the University of Illinois at Peoria and went on to pursue her child and adolescent psychiatry fellowship at the University of Texas Southwestern. She is knowledgeable in treating patients of all ages and a wide variety of diagnoses including depression, bipolar disorder, anxiety, ADHD, OCD, PTSD, and eating disorders. Dr. Reddy is passionate about working with LGBTQIA+ populations, providing culturally informed care, and taking a person-centered approach to providing comprehensive and individualized treatment to her patients. She is well versed in incorporating psychotherapy in conjunction with medication management. She has experience in incorporating supportive, cognitive behavioral, and dialectical behavioral therapeutic approaches in her care.

Michael Escamilla, MD

Staff Psychiatrist

Background and credentials

Dr. Escamilla is a board-certified psychiatrist with over 20 years of experience in treating mental health conditions. He is a graduate of Harvard College and earned his medical degree from the University of Texas Southwestern Medical School. He completed his psychiatry training at the University of California at San Francisco and further specialized through a research fellowship with the American Psychiatric Association. In addition to his clinical work, he is a Jungian Analyst and holds academic positions as an adjunct professor at Rutgers University Department of Psychiatry and as the Frank McMillan Jr. Scholar at the Jung Center of Houston.

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Treatment approach

Dr. Escamilla brings a deeply analytical and research-driven approach to psychiatry, integrating traditional psychiatric treatment with Jungian analysis. He has a strong background in academic research and clinical psychiatry, contributing extensively to the field through research publications. His expertise spans a wide range of mental health challenges, and he is committed to understanding the complexities of each patient’s experience to tailor a treatment plan that best suits their needs.

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What you can expect in a first visit

During the first visit, patients can expect a comprehensive psychiatric evaluation that takes into account their personal history, psychological patterns, and treatment goals. Dr. Escamilla’s approach emphasizes thoughtful analysis and evidence-based care, ensuring that each patient receives a personalized and insightful treatment plan. His sessions may incorporate medication management, psychotherapy, and Jungian analytical techniques to provide a holistic and individualized treatment experience.

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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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Tiffany Abtahi, MD

Staff Psychiatrist

Dr. Tiffany Abtahi is board certified in adult psychiatry and has been in practice for over 6 years. She completed her residency at Icahn School of Medicine, Elmhurst Hospital Center program where she served as Chief Resident in her final year. After completing her residency training, Dr Abtahi worked as a staff psychiatrist in the VA Medical Center focusing on PTSD, depression, and anxiety. Dr. Abtahi has held an academic appointment at the University of UT Southwestern medical school and has spent her professional career supervising/teaching medical students and psychiatry residents. Dr. Abtahi's practice focuses on medication management and providing psychoeducation to her patients. However, if indicated, Dr. Abtahi may believe that additional therapy is also needed and ask that you bring a therapist into your care team to provide the best outcome. Dr. Abtahi has experience treating a large variety of mental health conditions across a variety of populations. She strongly believes in tailoring treatments through a holistic and patient-centered approach based on individual and multi-faceted histories. Dr. Abtahi looks forward to working with you.

Kristina Schnitzer, MD

Staff Psychiatrist

Background and credentials

Dr. Kristina Schnitzer is a board-certified psychiatrist. She earned her medical degree from the New York University School of Medicine and completed her residency in Adult Psychiatry at the Massachusetts General Hospital/McLean Adult Psychiatry Residency Program. She further specialized by completing a one-year clinical and research fellowship in Public and Community Psychiatry through Massachusetts General Hospital and the Massachusetts Department of Mental Health. In addition to her medical training, she holds a Master of Public Health (MPH) from the Harvard T.H. Chan School of Public Health. She has over three years of experience practicing psychiatry across inpatient, emergency, and outpatient settings.

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Treatment approach

Dr. Schnitzer focuses on medication management as the foundation of her treatment approach, typically combining it with supportive or emotionally focused therapy during 30-minute follow-up visits. She takes a collaborative and individualized approach to patient care and, when needed, may recommend additional therapy by integrating a therapist into the care team to ensure the best possible outcomes. She has experience treating a broad range of psychiatric disorders in various clinical settings.

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What you can expect in a first visit

Patients can expect a thorough and structured evaluation in their first visit, where Dr. Schnitzer carefully assesses their symptoms, medical history, and treatment goals. She emphasizes open communication and collaboration, ensuring that patients are fully involved in shaping their treatment plans. Follow-up visits typically last 30 minutes, during which she monitors progress, adjusts treatment as needed, and may recommend additional therapeutic support for comprehensive care.

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Why Talkiatry?

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Ian Thistlethwaite, MD

Staff Psychiatrist

Dr. Thistlethwaite is a board eligible adult psychiatrist and internal medicine physician. He completed his medical education at West Virginia University School of Medicine. Following completion of medical school, Dr. Thistlethwaite completed residency training at WVU/Charleston Area Medical Center with a dual specialization in internal medicine and psychiatry. Dr. Thistlethwaite's training included treatment of patients both in the inpatient and outpatient setting as well as management of patients with comorbid medical conditions. During his training Dr. Thistlethwaite became passionate about approaching patients in a holistic manner that addressed both their physical and mental health. He is especially passionate about ensuring that patients with mental health disorders are provided with appropriate general medical care as they are a marginalized and underserved group. Dr. Thistlethwaite's practice focuses on medication management for a wide array of conditions including depression, anxiety disorders, bipolar disorder, obsessive compulsive disorder, tic disorder/Tourette's, and post traumatic stress disorder. Dr. Thistlethwaite incorporates supportive psychotherapy, cognitive behavioral therapy interventions, and some psychodynamic therapy skills in his practice as well. Dr. Thistlethwaite believes in a collaborative and holistic approach to mental healthcare that incorporates the patient as well as all members of the healthcare team in every aspect of care.

Brett Abernethy, MD

Staff Psychiatrist

Background and credentials

Dr. Abernethy is a board-certified psychiatrist who received his medical degree from the University of Texas Medical School at Houston. He completed his internship at UT Southwestern in Dallas and earned a Master's of Public Health in Epidemiology and Occupational and Environmental Health from Texas A&M. He completed his psychiatry residency training at the University of Oklahoma Health Science Center. Dr. Abernethy has over 12 years of experience practicing psychiatry in various outpatient settings, including private practice and community mental health centers in Texas and Oklahoma, specifically reaching underserved communities. He has treated a broad spectrum of mental health symptoms among diverse populations, addressing issues ranging from mood and anxiety disorders to behavioral manifestations of Autism and other developmental disorders.

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Treatment approach

Dr. Abernethy utilizes a collaborative and patient-centered approach to psychiatry, focusing primarily on medication interventions that align with each patient's unique treatment goals and clinical needs. He emphasizes cooperation with patients to effectively treat and reduce mental health-related symptoms. His practice centers around medication management, supplemented by supportive treatments tailored to individual needs. Depending on each patient’s circumstances, he may recommend additional support from individual, family, or group counselors and therapists to achieve optimal outcomes.

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What you can expect in a first visit

In an initial visit, patients can expect a thorough, collaborative discussion focused on understanding their symptoms, goals, and clinical needs. Dr. Abernethy will evaluate the patient's condition to determine appropriate medication interventions and discuss personalized treatment recommendations. Typical follow-up visits are approximately 20-30 minutes in length. Depending on the severity and complexity of a patient's situation, referrals to additional counseling or therapy may also be suggested.

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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 speciualize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

Catherine Derys, LMHC

Staff Licensed Mental Health Counselor

Catherine is a graduate from the City University of New York (CUNY) Brooklyn College where she received her Master's Degree in Mental Health Counseling. She is a Licensed Mental Health Counselor experienced in working with adults that struggle with an array of different issues for the past 7 years, both in outpatient and private practice settings. Coupled with her empathic and non-judgmental attitude, she uses a person-centered approach when working with clients. She strives to meet the clients where they are at. Catherine has a passion for helping others reach their full potential, rebuild their confidence, and gain a better insight into themselves through using psychodynamic and CBT interventions. She promotes and encourages "progress over perfection."

Jaime Sather, PMHNP

Staff Nurse Practitioner

Jaime Sather, PMHNP is a board certified psychiatric nurse practitioner with over 20 years' experience in the mental health field. Specialty areas include ADHD, anxiety, depression, mood disorders, substance abuse, PTSD, and women’s health. Clinical experience with inpatient, outpatient, detoxifications rehab, psychiatric emergency department, IOP, and PHP.

Comprehensive psychiatric evaluations, medication management, and brief psychotherapy are provided. Besides medication management with psychotherapy, individual therapy may be recommended for the best possible patient outcome.

Patients feel comfortable discussing their concerns in a non-judgmental therapeutic environment. Education is provided about diagnosis and treatment options with the patient being empowered to be an active part of their treatment plan.

Ashley Harmon, MD

Staff Psychiatrist

Dr. Ashley Harmon is board certified psychiatrist with specialization in geriatric psychiatry and has been in practice over 12 years. She completed her undergraduate training at Xavier University of Louisiana and residency at University of Cincinnati where she served as Chief Resident in her final year. She then went to University of Rochester where she completed her fellowship training in geriatric psychiatry. Dr. Harmon has worked in a variety of settings including acute care, long term care facilities, and residential treatment. She spent the largest part of her career in the VA Healthcare System. She served in various roles which included staff psychiatrist, Associate Program Director of Psychiatry and Inpatient Psychiatry Medical Director. She has held previous faculty appointments at the University of Rochester, Carle Psychiatry Residency Program in association with University of Illinois at Urbana-Champaign, and UT Southwestern. She also received the VAIHCS ICARE Bravo Award for reducing antipsychotic use in long-term care residents at VA Illiana.

When working with Dr. Harmon, patients can expect a unique treatment plan tailored to their individual needs. Dr. Harmon has an interest in integrative psychiatry and believes that improving mental health takes a comprehensive approach. This will include a thorough history, medication management, therapeutic interventions and referrals as appropriate.

Cyndia Choi, MD

Staff Psychiatrist

Dr. Cyndia Choi has been board certified in psychiatry since 1991. She has 30 years of experience treating a diverse population of cultures, LGBTQ issues, and different age groups from young adults to seniors. After attending Johns Hopkins University in Baltimore for her bachelor's degree, Dr. Choi received her medical degree from The University of Medicine and Dentistry of New Jersey at Rutgers Medical School. She went on to complete a general medical internship at Hahnemann University Hospital in Philadelphia and then her Psychiatric residency at the University of Pennsylvania .Dr. Choi has treated patients who have had a broad spectrum of diagnoses including major depressive disorder, post-traumatic stress, bipolar disorder, OCD, panic and anxiety, and addiction. Although the majority of her work has been in outpatient care, Dr. Choi has worked in emergency settings, inpatient units, and as a consultation-liaison to medical units. She has also enjoyed the honor of working with US military veterans. Dr. Choi's specialty is medication management, however, she believes that a therapeutic relationship is crucial to treatment. Dr. Choi values the privilege of getting to know each patient personally to develop a patient-centered plan of care.‍Typical follow-up appointments with Dr. Choi are 30 minutes in length to check on medication effects and for supportive therapy. If she believes that you may benefit from more in-depth therapy, she may recommend adding a therapist to your treatment team. Dr. Choi also believes in a holistic approach toward helping you achieve a healthy and fulfilling quality of life.

Gloria Rodriguez, MD

Staff Psychiatrist

Dr. Gloria J. Rodriguez is an Adult Psychiatrist based in New York. She has over 18 years of experience. Her focus is the treatment of Depression and Anxiety disorders using a combination of medication management and psychotherapy. Before joining Talkiatry, Dr. Rodriguez served as the Vice Chair for the Department of Psychiatry at Mount Sinai Morningside and West Hospitals. She earned her Bachelor's degree at the City College of New York. Dr. Rodriguez received her medical degree at the Albert Einstein College of Medicine in New York, and completed her residency training at the Mount Sinai Hospital. She remained on staff thereafter, rising to the position of Division Chief of Inpatient Psychiatry until November 2014. In December 2014, Dr. Rodriguez moved to Mt Sinai Morningside and West, to assume the position of Director of the Acute Care Division. Over the following years, she effectively led numerous changes and improvements, including the establishment of the Child and Adolescent Unit that moved from Mount Sinai Hospital. She was promoted to Vice Chair in January 2019 with a focus on staff wellness, Safety, and Quality Practices.

Shari Sengupta, MD

Education and training

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