Georgia Gaveras, DO

Dr. Tsujimoto-Ryzewski is a board-certified adult psychiatrist. She received her medical degree from the University of Nevada, Reno School of Medicine. She completed her residency at the University of Nevada, Reno School of Medicine, where she served as a chief resident during her last year of training. Dr. Tsujimoto-Ryzewski has treated patients with a wide variety of diagnoses both during her residency and after her training while working at a busy private practice clinic as well as for the Veterans Administration. Dr Tsujimoto-Ryzewski focuses on medication management and supportive psychotherapy. If she feels that additional therapy is needed, she will ask that you bring in a therapist as part of the treatment team. Dr. Tsujimoto-Ryzewski will work collaboratively with you in a caring environment to assist you in reaching your goals.

Dr. Tangeneare Singh earned a BS, Summa Cum Laude, from Tuskegee University and an MD from University of Chicago Pritzker School of Medicine. Commissioned in the United States Army, she completed psychiatry residency and child and adolescent fellowship at Walter Reed Army Medical Center. She later led Behavioral Health at Blanchfield Army Community Hospital and served 15 years as Department Chief at Alexander T. Augusta Military Medical Center, expanding key programs and mentoring staff and trainees. She retired as a CAPTAIN (O6) in 2026 with over 20 years of practice.

Dr. Singh provides a safe, nonjudgmental space where patients and families can openly share concerns. She partners with them to select evidence-based treatments that best address their symptoms and goals.

She begins with a thorough discussion of strengths, stressors, and biological and social factors to determine safety and level of care. Together, they develop a plan that may include medication, therapy, or referrals, with testing as indicated. Follow-ups include symptom review, plan adjustments, and attention to sleep, exercise, nutrition, hydration, and basic needs.

Sheila Henry, MSN, APRN, PMHNP-BC, ANP-BC, is a dual board-certified Psychiatric Mental Health and Adult Nurse Practitioner with over 12 years of clinical experience. She earned her Psychiatric Mental Health Nurse Practitioner certification from the University of Michigan and her Adult Nurse Practitioner certification from Wayne State University. Sheila has provided care across inpatient, consultation-liaison, crisis intervention, and outpatient settings, treating a wide range of mental health conditions.

Sheila is dedicated to creating a safe, compassionate, and collaborative environment where patients feel heard and supported. She values open communication and works to build strong therapeutic relationships, empowering patients to take an active role in their mental health journey. She believes in tailoring treatment to each individual and takes time to ensure her patients feel understood, respected, and engaged.

Sheila integrates a holistic perspective, considering both mental and physical health, lifestyle, and relationships. Her process involves developing individualized treatment plans that may include medication management, therapy, and lifestyle guidance. She works side by side with her patients to identify goals, track progress, and make adjustments as needed, fostering meaningful and lasting improvements in overall well-being.

Dr. Pan is a board-certified psychiatrist with over 10 years of experience. She holds a Doctor of Medicine degree from UT Southwestern Medical School and completed her medical specialty training in the Department of Psychiatry at UT Southwestern Medical Center. She has served as faculty at UT Southwestern, teaching medical students and mentoring psychiatry residents.

Dr. Pan is a diplomate of the American Board of Psychiatry and Neurology. Dr. Pan specializes in medication management for adults with a broad range of psychiatric conditions, including anxiety, bipolar, depression, insomnia, PTSD/trauma-related disorders. Medication treatment may be complemented with elements of supportive psychotherapy, psychodynamic therapy, and cognitive behavioral therapy.

Dr. Pan works collaboratively with patients to develop evidence-based treatment plans tailored to their unique needs. If further psychotherapy is needed, she may recommend working with a therapist as well. Asking for help can be difficult, especially when it comes to mental health. During the first visit, patients can expect a welcoming space where they can share their concerns. The visit will also focus on a psychiatric evaluation covering symptom details, psychiatric and other medical history, prior treatments, and how the current symptoms affect the person as a whole.‍

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Dr. Alicia Garcete is a board-certified child, adolescent, and adult psychiatrist in practice for over 12 years. Her practice focuses on medication management, recognizing  family involvement is extremely important and is an integral part of treatment. Dr Garcete has treated a wide variety of patients. Her primary focus is treating depression, anxiety disorders, ADHD, PTSD and OCD. Additionally, she can provide supportive therapy and elements of cognitive-behavioral therapy but on occasions more therapy support may be needed, and the recommendation to bring a psychotherapist on the care team may occur to provide an optimal outcome. Dr. Garcete is bilingual and provides care in both Spanish and English.

Prior to Talkiatry, Dr Garcete treated children, adolescents, and adults was at the intensive outpatient and partial hospitalization levels of care with focus on behavioral approaches in the Depression recovery and Anxiety/OCD programs.

Dr. Garcete earned her Medical Degree from the Universidad Nacional de Asuncion, Facultad de Ciencias Medicas in Paraguay. She completed her general psychiatrist residency at Maimonides Medical Center in New York. She was also a Fellow in Psychoanalysis at the Psychoanalytic Institute, Affiliate to New York University School of Medicine, and completed her child and adolescent psychiatrist fellowship at Elmhurst Hospital Center, affiliate to Mount Sinai Hospital. Dr. Garcete also held a clinical assistant professor appointment from the department of psychiatry at SUNY Downstate Medical Center.

Dr. Peter Hsieh has experience practicing in both outpatient and inpatient psychiatric settings. He earned his medical degree from the Zucker School of Medicine at Hofstra/Northwell and completed his psychiatry residency at Zucker SOM at Mather Hospital.

Dr. Hsieh values patient education and shared decision-making. He fosters a nonjudgmental environment where patients feel heard and supported, working collaboratively to develop a treatment plan that fits their goals and needs.

Dr. Hsieh begins with a comprehensive psychiatric evaluation and partners with each patient to create an individualized treatment plan that aligns with their values and evidence-based care. His approach often combines medication management with psychotherapeutic modalities.