Dr. Tiffany Abtahi is board certified in adult psychiatry and has been in practice for over 6 years. She completed her residency at Icahn School of Medicine, Elmhurst Hospital Center program where she served as Chief Resident in her final year.

After completing her residency training, Dr Abtahi worked as a staff psychiatrist in the VA Medical Center focusing on PTSD, depression and anxiety. Dr. Abtahi has held an academic appointment at University of UT Southwestern medical school and has spent her professional career supervising/teaching medical students and psychiatry residents.

Dr. Abtahi’s practice focuses on medication management and providing psychoeducation to her patients. However, if indicated Dr. Abtahi 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. Abtahi has experience treating a large variety of mental health conditions across a variety of populations. She strongly believes in tailoring treatments through a holistic and patient-centered approach based on individual and multi-faceted histories. Dr. Abtahi looks forward to working with you.

Dr. Jason Kudurogianis holds the position of psychiatrist at Talkiatry.  He is board-certified in adult psychiatry and has been practicing for over five years.

Dr. Kudurogianis’s practices focuses on medication management for adults and he typically offers this in conjunction with supportive therapy in 30-minute follow-up visits.  On occasion, Dr. Kudurogianis may believe that additional therapy is also needed and asks that you bring a therapist into your care team to provide the best outcome.

Dr. Kudurogianis received his undergraduate degree in Exercise Physiology from West Virginia University in Morgantown, WV.  He then went on to receive his medical degree from West Virginia School of Osteopathic Medicine in Lewisburg, WV.  Following medical school, he completed his psychiatry residency at University of Connecticut in Farmington, CT.  Before joining Talkiatry, Dr. Kudurogianis worked in private practice for five years in Richmond, VA.

For established patients of Dr. Kudurogianis, please call 833-351-8255 to schedule an appointment and let the patient care coordinator know you are an established patient from his prior practice.

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Dr. Gerald Matthews is a staff psychiatrist at Talkiatry. He is board-certified in adult psychiatry, and has experience treating civilians, as well as active duty military and veterans. The majority of Dr. Matthews's practice is in providing medication management, however he often collaborates with therapists in caring for his patients, where indicated.

He received his medical degree from the University of Louisville School of Medicine in Louisville, KY, and then entered active duty service in the US Army at Tripler Army Medical Center in Honolulu, HI, where he completed his residency training. Upon completion, he moved to Fort Hood, TX, where he practiced as a staff psychiatrist as he completed his service obligation.

Dr. Matthews is board-certified in general psychiatry and treats mostly adults, on an outpatient basis. Some examples of conditions he has experience in treating during his time in practice include mood and anxiety disorders, psychosis, and trauma-related disorders.

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Dr. Marla Richard is Stanford trained board-certified psychiatrist and board eligible in geriatric psychiatry from UCSD. She has been practicing in a variety of settings for the last 30 years. Dr. Richard uses an an integrated health paradigm with general and geriatric patients using traditional psychopharmacology, interpersonal neurobiology practices, and personality assessments to look at root motivations for behaviors to address core issues and with medication management as needed. Dr. Marla believes that you need to take a whole-person approach to both mental and physical health.

She received her undergraduate degree from the University of Minnesota, Duluth, and followed by medical school at Stanford Medical School to complete her MD. With visions of becoming a general surgeon, she went to the University Hospitals of Cleveland and completed two years of general surgery training before seeing the light and transferring to psychiatry. She completed her psychiatry training at Stanford University and geriatric training many years later at UCSD.

Her focus includes an integrated approach to the consideration of mental and physical health, while incorporating tools of mindfulness to teach skills of stress and anxiety management in everyday life. In conjunction with medication management, she uses interpersonal neurobiology to help clients understand triggers as well as methods to calm overactive stress responses and reactivity.

Dr. Mary Stephenson is a board-certified Child and Adolescent Psychiatrist with more than 25 years of clinical experience working with this population. Dr. Stephenson's practice focus is on medication management. She believes support and involvement of the family is an integral part of treatment for the client. Additionally, more therapy support may be needed on occasion, and the recommendation to bring a psychotherapist on the care team may occur to provide an optimal outcome.

She received her medical degree from Wright State University in Dayton, Ohio. She completed her psychiatry residency at the University of Louisville School of Medicine, and her child and adolescent training at the Bingham Child Guidance Center, also part of the University of Louisville, in Louisville, Kentucky. After completion of her training, she moved to Colorado where she worked at The Cleo Wallace Center, in Westminster, CO, providing care for hospitalized youth, and clients in the Day Treatment and Residential setting. In 2000, Dr. Stephenson became the primary Child and Adolescent Psychiatrist on the outpatient team at Denver Health Medical Center in Denver, Colorado. Her role was providing diagnostic evaluations, and medication management in Federally Qualified Health Centers (FQHCs), and the hospital clinic working closely with residents, child fellows, and other trainees.

She had an academic appointment through the University of Colorado School of Medicine. She treated a varied demographic, and a wide range of diagnoses in the child and adolescent population. From 2016-2021, she worked at Intermountain Health Center in Tucson, AZ providing care in the outpatient setting of the community mental health center. The care was a hybrid model of “in-person” and Telehealth treatment of children and adolescents with various disorders, with an emphasis on diagnostic evaluations of Autism and Autism spectrum disorders.

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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 with 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 Veteran’s 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.