Ruben Mendez, MD

Background and credentials

Dr. Nereida Gonzalez-Berrios is a general psychiatrist fluent in English and Spanish. She earned her bachelor’s degree in Microbiology from the University of Puerto Rico and her medical doctorate from Ponce School of Medicine (now Ponce Health Sciences University). She completed her General Psychiatry Training Program at the University of Puerto Rico Medical Sciences Campus, graduating in 2008. After practicing privately in Puerto Rico, she relocated to Texas, where she worked for over five years at the Michael E. DeBakey VA Health System, providing mental health care to veterans. She has also gained extensive experience in telemedicine, working both within the VA system and as a locum tenens provider.

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Treatment approach

Dr. Gonzalez-Berrios has extensive experience treating a wide range of psychiatric conditions, including mood disorders, anxiety disorders, psychotic disorders, intellectual impairment, ADHD, eating disorders, PTSD, and personality disorders. She integrates traditional psychiatric treatment with a holistic wellness approach, drawing on her background as a motivational speaker, wellness coach, certified personal fitness trainer, nutrition coach, and weight-loss specialist. Her approach emphasizes improving overall mental and physical well-being through personalized treatment plans that incorporate psychiatric care, wellness strategies, and lifestyle modifications.

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What you can expect in a first visit

Patients can expect a comprehensive psychiatric evaluation where Dr. Gonzalez-Berrios carefully assesses their symptoms, medical history, and personal wellness goals. She takes a collaborative and patient-centered approach, ensuring that treatment is tailored to each individual’s mental and physical health needs. As an experienced telemedicine provider, she offers accessible and flexible mental health care, combining medication management and holistic wellness strategies to help patients achieve lasting well-being.

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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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Karen Tonner, MSN, PMHNP-BC is an ANCC board-certified Psychiatric Mental Health Nurse Practitioner with over eight years of experience providing psychiatric care in outpatient and community mental health settings. She works with patients across the lifespan and treats a broad range of mental health conditions, including depression, anxiety disorders, attention-deficit/hyperactivity disorder (ADHD), obsessive-compulsive disorder (OCD), and post-traumatic stress disorder (PTSD).

Karen primarily provides medication management in conjunction with supportive therapy, using evidence-based practices to help patients achieve symptom relief and improved functioning. Her approach to care is holistic, person-centered, and collaborative, emphasizing shared decision-making and individualized treatment planning. She strives to create a welcoming, approachable, and supportive environment where patients feel comfortable being themselves and actively participating in their care. She believes that understanding each patient’s unique experiences, goals, lifestyle, and strengths is essential to effective mental health treatment.

Karen earned her Bachelor of Science in Nursing from Kennesaw State University and her Master of Science in Nursing from the University of Alabama at Birmingham. She is dedicated to continuing education to remain current with psychiatric research and is committed to delivering compassionate, high-quality care that helps patients feel heard, respected, and empowered.

Dr. Walter Piddoubny is a double boarded psychiatrist in Adult Psychiatry and Consultation Liaison Psychiatry. He completed his undergraduate degree at Stony Brook University followed by his medical degree at SUNY Buffalo School of Medicine and Biomedical Sciences. He completed his Psychiatry Residency at Stony Brook University Hospital followed by his fellowship in Consultation Liaison Psychiatry at Yale New Haven Hospital. Dr. Piddoubny has held academic appointment at Stony Brook University Hospital practicing as a consultant psychiatrist as well as Associate Program Director of the Psychiatry Residency Program. He has been actively involved in teaching and was awarded "Teacher of the Year" in 2018 by the psychiatry residents. Dr. Piddoubny's practice focuses on medication management. Typically, he offers this in conjunction with supportive or emotionally focused therapy during 30-minute follow-up visits. Occasionally, Dr. Piddoubny may believe that additional therapy is warranted and ask that you bring a therapist into your care team in order to provide the best possible outcome.‍

Dr. Taylor Brady, MD, MBA, is a psychiatrist who found his passion for mental health care through the power of listening to people’s stories. His background includes medical training at the University of Utah, leadership as Student Body President, and psychiatric residency at the University of Texas, where he served as Inpatient Chief Resident and received awards for both clinical excellence and medical education. he brings that same commitment and curiosity to his work with patients. Outside of clinical care, he is deeply interested in narrative medicine—the way our personal stories shape our mental health—and uses that lens to help patients find meaning, clarity, and strength in their own journeys.

As a psychiatrist, Dr. Taylor Brady approach is rooted in compassion, collaboration, and respect for your unique story. He views mental health treatment as a partnership—one where psychotherapy and medication can work together to support your growth and healing. His goal is to help you uncover the patterns and behaviors that may be holding you back, and empower you to make meaningful, sustainable change. He encourages patients to take ownership of their mental health, and he is here to provide the tools, guidance, and support you need along the way.

We’ll begin by taking the time to understand your story, your goals, and what brings you to treatment. The first few sessions focus on building trust and identifying the areas where you’d like to see change. From there, we’ll collaboratively develop a treatment plan that may include psychotherapy, medication, or both—always tailored to your needs. He draws from multiple therapeutic approaches, including Cognitive Behavioral Therapy (CBT), Cognitive Processing Therapy (CPT), and Psychodynamic Psychotherapy, to provide care that fits you, not the other way around. Throughout our work, he'll support you in developing insight, resilience, and confidence in managing your mental health.

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Dr. Sophie Weinberg is a compassionate and deeply dedicated physician, dually board-certified in Child, Adolescent, and Adult Psychiatry. Her journey through medicine has been shaped by rich and diverse training—completing her General Psychiatry residency at Maimonides Medical Center in Brooklyn, NY, and her fellowship in Child and Adolescent Psychiatry at Nassau University Medical Center in Long Island, NY.

Dr. Weinberg approaches healing as both a science and an art. Her care is profoundly patient-centered, collaborative, and holistic, honoring the intricate connection between body, mind, and spirit. She believes in the quiet power of nourishment, restful sleep, joyful movement, and meaningful connection as essential threads in the fabric of wellness.

With extensive experience in treating a wide spectrum of conditions—including mood disorders, anxiety, trauma, ADHD, and sleep disturbances—Dr. Weinberg tailors her approach to each individual’s unique story. She is a proud and affirming ally to the LGBTQIA community, creating a space where all identities are seen, respected, and supported.

Her treatment model includes thoughtful, personalized medication management, with generous 30-minute follow-up sessions to ensure care is never rushed and always attuned to the patient’s evolving needs. When appropriate, Dr. Weinberg may gently recommend the added support of a therapist, recognizing that healing is often a shared and layered journey.

With a heart rooted in empathy and a mind guided by clinical excellence, Dr. Weinberg walks beside her patients on the path to well-being—honoring their resilience and helping them rediscover their wholeness.

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Dr. Ye Kyung Song is a board-certified psychiatrist with both an M.D. and a Ph.D. in medical humanities and ethics from the University of Texas Medical Branch. She completed her residency at Duke University and has experience practicing in both outpatient and inpatient settings. In addition to her clinical training, Dr. Song has pursued advanced training in several therapeutic modalities, including the Collaborative Approach to Management of Suicidality (CAMS) and Radically Open Dialectical Behavioral Therapy (RO-DBT).

Dr. Song takes a collaborative, values-driven approach to treatment, emphasizing partnership in decision-making and tailoring care to each individual’s needs. She uses medication thoughtfully and only when appropriate, considering the whole picture of a patient’s health and life. Her goal is to help patients understand the underlying reasons for their symptoms by examining patterns, conflicts, and meaning. She is committed to creating a safe and supportive environment where patients can explore their experiences openly.

During the initial appointment, Dr. Song focuses on understanding a patient’s clinical history, current concerns, and personal goals. Together with the patient, she develops an individualized treatment plan that clearly outlines areas of focus and aligns with the patient’s values and objectives. Her process emphasizes getting to the root “why” behind symptoms, while using evidence-based medicine and therapy modalities best suited for the situation. Treatment plans and medications are adjusted collaboratively over time to ensure ongoing support and progress.