Raul Corredor, MD

Dr. Bryce Toburen is a board-certified psychiatrist dedicated to compassionate, collaborative care across the lifespan. His training includes an MD from the Medical College of Wisconsin, residency at The Ohio State University where he served as Chief Resident, and a fellowship in Child & Adolescent Psychiatry at Nationwide Children's Hospital. Outside the clinic, he enjoys sports, tennis, exploring nature, traveling, and spending time with loved ones.

Each patient brings a unique story, and he strives to create a safe, respectful space where you feel heard and supported. His interest in psychiatry stems from a desire to maximize the well-being of patients and their families through strong therapeutic relationships. Compassion and curiosity guide his work, along with a strong belief in the power of connection and collaboration. You can expect open communication and a focus on your personal goals throughout your time together.

Treatment is personalized using evidence-based approaches that include psychotherapy, medication management, and lifestyle strategies. He specializes in addressing anxiety, depression, ADHD, OCD, and trauma-related concerns. Collaboration and trust are central to his approach, with an emphasis on empowering patients to take an active role in their healing and well-being.

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Dr. Mendez-Maldonado is double board-certified in general psychiatry and geriatric psychiatry. She received her medical degree from the University of Puerto Rico School of Medicine. She then moved to New York to complete her residency training at Mount Sinai Beth Israel where she stayed to complete her fellowship in geriatric psychiatry. After her fellowship, she proceeded to work at Woodhull Hospital where she worked as an attending before becoming unit chief and running their Special Pathogens Unit during the COVID-19 pandemic. She focuses on medication management and offers this in conjunction with supportive therapy, cognitive-behavioral techniques, a focus on nutritional psychiatry, and 30-minute follow-up visits. Dr. Mendez-Maldonado focuses on integrating nutrition, physical activity, and mindfulness techniques alongside pharmacotherapy to achieve a well-rounded approach to mental health.‍

Dr. Stephanie Negrey is a board certified psychiatrist. She completed her undergraduate degree in Biology and History at Fordham University in the Bronx and then attended medical school at the Renaissance School of Medicine at Stony Brook University. She completed her residency at Wright State University in Dayton, Ohio as a member of the United States Air Force. Dr. Negrey served as an active duty psychiatrist; her duties included medical director of the mental health clinic at a special operations base as well as a program manager for the Air Force substance use program.

Dr. Negrey has experience treating a wide range of ages and diagnoses, with particular emphasis on personality disorders, depression, anxiety, and post traumatic stress disorder. She integrates supportive and psychodynamic therapies into her medication management appointments with a goal of achieving improvement through a holistic approach. Dr. Negrey will work with patients to reach their goals for their mental health care while also providing a compassionate and collaborative environment.

Background  and credentials    

Dr. Christa DeFries is a board-certified Adult Psychiatrist. She earned her  medical degree from UT Southwestern Medical School in Dallas, Texas, and  completed her residency in Adult Psychiatry at Baylor Scott & White in  Temple, Texas. Following residency, Dr. DeFries gained additional experience  treating homeless and formerly homeless populations in New York City,  particularly focusing on individuals with histories of trauma and substance  addiction, prior to joining Talkiatry.    

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Treatment approach    

Dr. DeFries practices Adult Psychiatry, employing an integrative treatment  approach combining medication management, psychotherapeutic methods, and  lifestyle modifications. She recognizes that each patient benefits from a  personalized mix of these three aspects of care. Dr. DeFries specializes in  treating diverse psychiatric conditions, including those related to trauma,  substance addictions, and various mental health disorders.    

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What you can expect in a first visit    

In a first visit with Dr. DeFries, patients can expect a comprehensive  evaluation aimed at understanding their individual mental health history,  specific concerns, and overall treatment goals. Dr. DeFries emphasizes an  individualized approach, carefully exploring the best combination of  medication, therapy, and lifestyle adjustments tailored specifically to each  patient's needs. Patients can anticipate an empathetic and collaborative  environment focused on their personal experiences and goals.    

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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.

Dr. Delima-Tokarz is double Board Certified in Psychiatry and Lifestyle medicine. She completed her psychiatry residency training at the University of Maryland/Sheppard Pratt, where she served as the chief resident. She has practiced in various settings over her career, including working for the Department of Defense, private practice, and community mental health. Dr. Delima-Tokarz is fluent in Portuguese, English, and Spanish. Dr. Delima-Tokarz has more than five years of experience treating patients with anxiety, depression, PTSD, Bipolar, OCD, ADHD, and other mental health issues. She employs pharmacotherapy along with supportive therapy and integrative approaches. Dr. Delima-Tokarz is currently working on completing her Ph.D. in Integrative Medicine and is passionate about a holistic and integrative approach to mental health. Her philosophy includes a healing-oriented approach that considers the whole person, including all lifestyle aspects. Dr. Delima-Tokarz aims to provide collaborative and comprehensive care, which may include medication management, lifestyle interventions, stress reduction techniques, and other integrative approaches. She believes building a strong therapeutic relationship where the patient feels empowered is the key to healing.‍

Dr. Arballo is board-certified psychiatrist who completed medical school at Lake Erie College of Osteopathic Medicine. He received residency training at University of Texas Health - San Antonio where in addition to clinical training was appointed resident chair of the Quality Improvement and Patient Safety Committee.

Since graduation he has been a staff psychiatrist and the military unit director at Cumberland Hall Hospital providing comprehensive care to child, adolescent, adult, and geriatric patients.

Dr. Arballo provides evidence-based medication management and psychotherapy to address mental health conditions. He is a strong advocate for patient autonomy, quality improvement and psychoeducation.