Julia Wellin, MD

Dr. Robben proudly served in the U.S. Air Force and has been practicing psychiatry for 17 years. He is happy to have completed his medical school education, as well as his residency in general psychiatry and fellowship in addiction psychiatry, all at the University of South Florida in Tampa. Dr. Robben is board certified in both general psychiatry and addiction psychiatry. He has experience in many roles over the span of his career to include working with Veterans diagnosed with posttraumatic stress disorder and substance use disorders, managing specialty clinics for patients with treatment-resistant depression, and working in general outpatient psychiatry clinics, as well as emergency and inpatient psychiatric settings. Dr. Robben also previously served as the Training Director for the University of South Florida Morsani College

of Medicine Addiction Psychiatry Fellowship Program. He is currently the Medical Director at a residential substance use disorder treatment center in Florida. Additionally, Dr. Robben is a certified Medical Review Officer and has additional qualifications in transcranial magnetic stimulation (TMS) and Spravato.

(esketamine). Dr. Robben has been voted as Addiction Medicine "Top Doctor" in Tampa Bay, FL by physicians for 8 of the last 9 years. Dr. Robben specializes in treating depression, bipolar disorder, anxiety, PTSD, OCD, ADHD and substance use disorders.

Dr. Robben uses a supportive, patient-centered approach, taking into account each individual's personal values and goals when formulating a treatment plan. He educates patients on the most up to date scientific evidence and provides multiple treatment options to help each person determine the most appropriate plan for them.  

Dr. Robben believes in a collaborative and holistic approach to working with his patients. Dr. Robben spends a significant amount of time educating his patients on all forms of mental health treatment, from medications and psychotherapy, to nutrition, exercise, meditation and sleep hygiene. What works well for

One person may not work well for another person. Having options and understanding the potential benefits and risks of each treatment empowers patients to take an active role in their own healthcare.

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* THIS PROVIDER CANNOT PRESCRIBE CONTROLLED SUBSTANCES FOR MN PATIENTS * Dr. Dung ("Young”) Truong is board-certified in both psychiatry and family medicine. Prior to joining Talkiatry, he worked in a busy Minneapolis emergency room for 20 years. He cared for patients presenting in mental health crisis, treating their acute presentation and helping find solutions to their concerns, ranging from starting and adjusting medications to identifying and addressing contributing factors such as medical illness, substance use, and life stressors. Dr. Truong has extensive experience and can comfortably manage a wide range of illnesses and problems. He sees patients of all ages and ethnicities, including LGBTQ+ populations. He has interests in mood disorders during and after pregnancy, and immigrant and refugee mental health. Dr. Truong's approach is to help you ultimately feel better and move forward with a hopeful plan involving medication management, education about your illness, and therapy to manage your emotional and environmental stressors. He is known for his calm demeanor and his excellent instincts. He strives to meet your expectations. Recognizing the challenges and complexities of the mental health condition, he also encourages input from your established care provider, therapist, and loved ones who want to be involved in your care. He feels such collaboration provides optimal treatment .Dr. Truong has also worked as a psychiatrist in an integrated primary care clinic. He has taught and supervised medical students, psychiatric residents/fellows and family medicine residents. He has collaborated extensively with social workers, therapists, and other health care providers to achieve the best outcomes for his patients. He works on staying current with the latest evidence-based care and mental health treatments.

Background and credentials

Dr. Matthew Koller is a board-certified adult psychiatrist who completed his undergraduate training at The University of Texas at Austin. He earned his medical degree from The University of Texas Health Science Center at San Antonio and completed his general adult psychiatry residency at Baylor College of Medicine in Houston, TX, where he served as Chief Resident of Education in his final year of training.

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Treatment approach

Dr. Koller believes that understanding a patient fully is essential before treatment begins, emphasizing a collaborative and patient-centered approach to care. His practice is primarily focused on medication management, but he also incorporates supportive therapy and other therapeutic modalities as needed. He may recommend including a therapist in the treatment plan to ensure comprehensive, well-rounded care. He has experience treating a wide range of mental health conditions, including depression, anxiety, insomnia, personality disorders, bipolar disorder, PTSD, and psychotic disorders.

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What you can expect in a first visit

During the first visit, patients can expect a thorough and individualized psychiatric evaluation, where Dr. Koller takes the time to understand their symptoms, history, and treatment goals. He prioritizes open communication and shared decision-making, working closely with patients to develop personalized treatment plans. While medication management is the foundation of his approach, he remains flexible and adaptive, incorporating therapy and other interventions as needed to help patients achieve optimal mental health.

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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. Patel is a distinguished psychiatrist with over 24 years of experience. He completed his psychiatric residency at the University of South Dakota School of Medicine, where he served as chief resident and earned the Outstanding Resident of the Year award. He then pursued a fellowship in Consultation-Liaison Psychiatry at Harvard Medical School/Beth Israel Deaconess Medical Center.

He is triple Board certified in Adult Psychiatry, Consultation-Liaison Psychiatry, and Sleep Medicine and also holds certification in Behavioral Neurology and Neuropsychiatry from the United Council for Neurological Subspecialties. These credentials reflect his expertise in psychiatry, neurology, and the management of complex psychiatric conditions in medically ill patients.

Dr. Patel has worked in diverse settings including inpatient units, psychiatric consult services, outpatient clinics, and nursing homes. He is skilled in neuromodulation treatments such as Electroconvulsive Therapy (ECT) and Transcranial Magnetic Stimulation (TMS).

In addition to clinical practice, he has served leadership roles of chairman of a psychiatric department, medical director of a behavioral health service line in a regional health system, and founder/CEO of a private psychiatric and TMS clinic. Dedicated to ongoing professional growth, Dr. Patel remains at the forefront of psychiatric advancements in psychiatric care, earning a reputation as a respected leader in the field.

Dr. Patel combines deep knowledge of neurobiology, behavioral health, and the mind-body connection to offer a collaborative, evidence-based, and holistic approach to care. He integrates diet, exercise, yoga, meditation, and lifestyle modifications with psychotherapy and medication management.

His approach emphasizes active listening, curiosity, compassion, and even humor—creating a warm and supportive environment. By encouraging patients to integrate their unique life experiences into their treatment, he fosters ownership, empowerment, and active participation in the healing process.

During your first visit, Dr. Patel will review your symptoms, medical and psychiatric history, past treatments, substance use, psychosocial factors, and family history. He will discuss treatment options—including risks and benefits—and determine if his expertise and the telehealth platform are the right fit for your needs. Your safety is his top priority.

Follow-up visits focus on monitoring progress, adjusting treatments, maintaining stability, and supporting your motivation to achieve your fullest potential.

Dr. Jaffarzad is a board eligible adult psychiatrist who completed her undergraduate training at the University of Texas at Austin and earned her medical degree at the American University of the Caribbean. She completed her psychiatry residency at Louisiana State University Our Lady of the Lake Psychiatry Residency Program. After completing residency, she worked in an outpatient setting and provided consultation liaison services at Our Lady of the Lake Hospital. Moreover, she held volunteer academic positions supervising and instructing residents and medical students. She has experience treating culturally diverse patient populations with a variety of mental health conditions. Dr. Jaffarzad primarily offers medication management in conjunction with supportive therapy during follow-up visits. She values the importance of open communication and a strong doctor-patient therapeutic alliance.

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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