Samuel Russell, MD

Dr. Kristofer Joondeph-Breidbart is a board certified adult psychiatrist. He earned his undergraduate degree and Master's in Teaching from Boston University, followed by his medical degree from the University of Massachusetts Medical School. Dr. Joondeph-Breidbart completed his residency in general adult psychiatry at Cambridge Health Alliance, a Harvard teaching hospital. Currently, Dr. Joondeph-Breidbart serves as a staff psychiatrist at Harvard University Health Services, where he works with both undergraduate and graduate students. He has developed significant expertise in working with LGBTQ individuals through his involvement with the Gender and Sexuality Clinic at Cambridge Health Alliance and the LGBTQ Interdisciplinary Team at Harvard University Health Services. While he has extensive expertise in treating college-aged young adults, his practice also includes a broad range of patients, with a particular specialization in Obsessive-Compulsive Disorder (OCD). He is trained in Exposure and Response Prevention Therapy, a highly effective treatment for OCD. Dr. Joondeph-Breidbart takes a holistic approach to mental health care, integrating therapy into his sessions and collaborating with patients to develop individualized medication regimens that best meet their needs. His gentle and understanding approach helps create a supportive environment for his patients, fostering their mental and emotional well-being.

Dr.Gusta Shurdut is a board-certified adult psychiatrist with 8 year experience. She completed her medical training at SUNY Downstate Medical center in Brooklyn, and psychiatric residency at Mount Sinai Beth Israel, NYC. After her residency, she worked as an assistant professor at Mount Sinai Psychiatric Ambulatory Services. Dr.Shurdut graduated magna cum laude from Columbia University with an undergraduate degree in biology. Prior to moving to New York, she obtained a degree in communications and public relations and worked as a journalist at her hometown in Latvia.

Dr.Shurdut believes in individual, empathetic, and collaborative treatment approach. Through her residency and work experiences, Dr.Shurdut has developed expertise to treat various mental health conditions including mood disorders, anxiety, OCD, ADHD, PTSD. While her primary focus is medication management, she also incorporates CBT, psychodynamic and supportive psychotherapy.

Dr.Shurdut’s goal is empowering patients to participate in their healthcare choices. As a psychiatrist, she feels honored to witness the complexity of the human experience, and curious to explore the factors that contribute to it.  On intake appointment, she will take time to understand your concern, provide assessment, discuss treatment options and collaboratively decide on most appropriate action. The follow up appointments are usually 30 minutes and include a psychotherapy modality.

Dr. John's practice focuses on medication management, offered in conjunction with emotionally focused therapy in 30-minute follow-up visits. Occasionally, Dr. John 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. John strongly believes in a compassionate, collaborative approach and will provide psychoeducation to help patients make informed decisions and achieve their treatment goals.

Background and credentials

Dr. Schaefer is a board-certified adult psychiatrist with over 16 years of experience. She earned her medical degree from the University of Nebraska Medical Center in Omaha, NE, and completed her adult psychiatry residency at Oregon Health and Science University in Portland, OR. She then specialized further by completing a forensic psychiatry fellowship at Yale University. She has worked as a staff psychiatrist at Atrium Health System for over 16 years.

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Treatment approach

Dr. Schaefer’s practice primarily focuses on medication management, which she offers in conjunction with supportive therapy and elements of cognitive-behavioral therapy (CBT). She takes a patient-centered and collaborative approach, ensuring that treatment is tailored to each individual’s needs. If additional therapy is required, she may recommend working with a therapist as part of a comprehensive care plan. Her primary focus areas include depression, anxiety disorders, and obsessive-compulsive disorder (OCD).

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What you can expect in a first visit

During the first visit, patients can expect a thorough psychiatric evaluation, where Dr. Schaefer carefully assesses their symptoms, treatment history, and mental health goals. She works collaboratively with patients to develop a personalized treatment plan, which may include medication management and therapy recommendations. Follow-up visits are typically 30 minutes and focus on monitoring progress, adjusting treatment as needed, and ensuring the best possible patient 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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Dr. Zaidi graduated residency from University Hospitals/Case Western Reserve University in 2015. After residency he worked at the Michael E. DeBakey VA Medical Center as a staff psychiatrist. He eventually took on the role of Mental Health Lead Psychiatrist and Interim Clinic Director at the Tomball VA Outpatient Clinic. Dr. Zaidi then transferred to a telepsychiatry role at VISN 15 providing mental health coverage for rural areas in Kansas, Missouri, and Illinois. Dr. Zaidi resides in Houston, Texas and enjoys spending time with his family, being outdoors, and watching/playing sports such as Football, Basketball, and Soccer.

Dr. Zaidi has over 15 years of experience in treating different mental health conditions and is currently board certified by the American Board of Psychiatry and Neurology. He enjoys getting to learn about patients and working collaboratively to provide the best treatment possible, be it medications or talk therapy. Dr. Zaidi has vast experience treating Major Depressive Disorder, Bipolar Disorder, PTSD, among many others.

Dr. Zaidi's goal when working with patients is to not come to a generic diagnosis; rather, it is to get to know about the client and try and manage their symptoms in the best way possible. Overall, the process is collaborative, and both parties need to be comfortable with the decisions moving forward.

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Getting to know meDr. Kishan Peddanna is a board-certified general psychiatrist with experience treating patients across the lifespan. He attended The Ohio State University for his undergraduate studies and earned his medical degree from the University of Cincinnati. Dr. Peddanna completed his residency in General Psychiatry at The Ohio State University and a fellowship in Child and Adolescent Psychiatry at Nationwide Children’s Hospital.

Dr. Peddanna values continuity of care and collaboration, working with patients toward long-term improvements while building meaningful connections. His approach is grounded in shared decision-making, ensuring treatment plans align with each patient’s goals. He has extensive experience managing conditions such as ADHD, mood disorders, and anxiety.

Dr. Peddanna’s practice focuses on medication management complemented by supportive psychotherapy. He uses evidence-based assessments and interventions to guide individualized treatment planning, fostering a care experience that is both effective and patient-centered.