Jonathan Hertz, MD

Severine Dondina, PMHNP-BC, is a board-certified psychiatric nurse practitioner with licensure in Washington and Florida. She holds a Master of Science in Nursing from the University of Alabama at Birmingham and graduated summa cum laude with dual bachelor’s degrees in nursing and biomedical science. Her background spans outpatient, community, forensic, and crisis psychiatry, including leadership roles with Florida’s Assertive Community Treatment (FACT) and Multi-Disciplinary Forensic Teams.

Currently serving patients in Washington, Severine treats adults with ADHD, anxiety, depression, PTSD, and bipolar disorder. She brings a trauma-informed, strengths-based approach to care and is deeply committed to creating affirming spaces for LGBTQ+ and gender-diverse individuals. Her clinical style combines evidence-based medication management with warm, collaborative support.

Trilingual in English, French, and Spanish, Severine is known for her cultural sensitivity, clinical rigor, and authentic presence. She approaches each patient with curiosity, humility, and respect—believing healing begins with connection.

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Dr. Cyndia Choi has been board certified in psychiatry since 1991. She has 30 years of experience treating a diverse population of cultures, LGBTQ issues, and different age groups from young adults to seniors. After attending Johns Hopkins University in Baltimore for her bachelor's degree, Dr. Choi received her medical degree from The University of Medicine and Dentistry of New Jersey at Rutgers Medical School. She went on to complete a general medical internship at Hahnemann University Hospital in Philadelphia and then her Psychiatric residency at the University of Pennsylvania .Dr. Choi has treated patients who have had a broad spectrum of diagnoses including major depressive disorder, post-traumatic stress, bipolar disorder, OCD, panic and anxiety, and addiction. Although the majority of her work has been in outpatient care, Dr. Choi has worked in emergency settings, inpatient units, and as a consultation-liaison to medical units. She has also enjoyed the honor of working with US military veterans. Dr. Choi's specialty is medication management, however, she believes that a therapeutic relationship is crucial to treatment. Dr. Choi values the privilege of getting to know each patient personally to develop a patient-centered plan of care.‍Typical follow-up appointments with Dr. Choi are 30 minutes in length to check on medication effects and for supportive therapy. If she believes that you may benefit from more in-depth therapy, she may recommend adding a therapist to your treatment team. Dr. Choi also believes in a holistic approach toward helping you achieve a healthy and fulfilling quality of life.

Dr. Zachary Masuda earned his medical degree at Creighton University School of Medicine in Omaha and completed his Psychiatry residency at Creighton University School of Medicine in Phoenix. He went on to complete an Addiction Psychiatry fellowship at Oregon Health and Science University. During training, he was inducted into the Gold Humanism Honor Society, reflecting his commitment to compassionate care. Dr. Masuda is board-certified in general psychiatry and has experience working in outpatient, residential, and inpatient settings.

Dr. Masuda is dedicated to creating a safe, supportive, and nonjudgmental environment where patients feel heard and respected. He emphasizes open communication to establish clear treatment goals and expectations, ensuring patients are active partners in their care. His approach remains flexible, adapting as treatment evolves to best meet patient needs.

Dr. Masuda begins by gaining a thorough understanding of each patient’s history, concerns, and goals during the initial session. He then develops personalized treatment plans that align with those goals, integrating both medication management and therapeutic interventions. His balanced approach allows for individualized care tailored to support long-term recovery and overall well-being.

Dr. Mo Basith is a board-certified psychiatrist in the field of general adult psychiatry. He offers a mix of pharmacotherapy in conjunction with psychotherapy in 30-minute sessions. Dr. Basith's approach to clinical practice is rooted in fostering a safe atmosphere in which to explore biological and psychosocial factors that affect mental health. He views medication as a tool that patients can use while also engaging in psychotherapy and making lifestyle changes to optimize their mental health. He encourages patients to be actively involved in their healthcare decisions. Although he has an integrative psychotherapy style, Dr. Basith may occasionally believe additional therapy is needed and ask that you bring a therapist into your care team to provide the best outcome. Dr. Basith received his medical degree at Jefferson Medical College in Philadelphia, Pennsylvania. He then went on to complete a general psychiatry residency training at Penn State College of Medicine in Hershey, Pennsylvania. Since completing his training, Dr. Basith has been working with a wide variety of adults, including as a staff psychiatrist at Georgetown University's Counseling and Psychiatric Service. He has experience treating patients with a wide range of psychiatric concerns including various anxiety disorders, depression, bipolar spectrum disorders, obsessive-compulsive disorder, and substance use disorders. Dr. Basith utilizes pharmacotherapy along with facets of cognitive behavioral therapy, psychodynamic psychotherapy, and supportive therapy as needed.

Glenn is a Board-Certified Psychiatric Mental Health Nurse Practitioner with nearly 30 years of experience in health care, dedicated to addressing the mental health needs of his community. With a background in both inpatient and outpatient settings, he is committed to helping individuals become the best versions of themselves—no matter where they are in their journey at the time of their first appointment.

Outside of work, Glenn enjoys spending time with his family, biking, and being outdoors.

He takes a patient-centered approach and emphasizes that he, too, is human. Everyone faces challenges at different times and in different ways. Glenn adopts a holistic perspective, recognizing that effective treatment involves understanding how life challenges impact a person as a whole. He is dedicated to providing compassionate, empathetic, and practical care to all his patients.

Glenn engages with patients in a way that makes it easy and natural for them to share their stories. From there, he promotes a shared decision-making approach to develop the most effective treatment plan. His areas of expertise include psychopharmacology, as well as Cognitive Behavioral, Supportive, and Psychodynamic therapies.

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Dr. Kerstin Asquith is a board-certified psychiatrist at Talkiatry. She has extensive experience working with a wide range of diagnoses and patient populations, with particular interest in treating depression, anxiety, PTSD, and OCD. She also has additional training in college mental health. Dr. Asquith believes in the importance of getting to know each of her patients and the unique issues that bring them into treatment. Her approach involves collaborating with patients to create personalized treatment plans and considering both medication and non-medication methods.

Dr. Asquith is from California and completed her undergraduate studies at the University of California, Davis. She obtained her medical degree from Creighton University School of Medicine and then trained at Stanford University's Adult Psychiatry Residency Program. She subsequently completed a fellowship in student mental health at Stanford University. Most recently, Dr. Asquith worked as an outpatient psychiatrist at The Permanente Medical Group. In her free time, she enjoys traveling, trying new foods, and spending time with friends and family.