Catherine Cashman, DO

Dr. Jacob T. Kannarkat is an adult psychiatrist. Dr. Kannarkat's practice focuses on medication management. In his visits, he uses an integrative approach, blending an empathic, problem-solving orientation with an understanding that the reasons for an individual's condition can be complex. He has experience dealing with many forms of mental illness and works collaboratively with his patients and their other treatment providers in making a plan for recovery. Dr. Kannarkat completed undergraduate studies at the University of Florida. After receiving his medical degree at the University of Miami Miller School of Medicine, Dr. Kannarkat continued for residency at the University of Miami/Jackson Health System. He ultimately completed his training as Chief of Psychiatric Emergency Services at Yale School of Medicine. Dr. Kannarkat has experience working with adults of all ages who are dealing with depression, anxiety, bipolar disorder, PTSD, substance use disorders, and many other conditions.‍

Dr. Thy Vo is a board-certified psychiatrist who specializes in the treatment of adults, adolescents, and children. Dr. Vo approaches patients as whole human beings with the goal of providing a safe therapeutic space that will help patients understand and address their suffering as well as fostering healthy emotional expression and self-awareness. Dr. Vo is collaborative with treatment needs, which may include medication and/or supportive or insight-oriented psychotherapy in 30 or 45 minute follow-up visits. She received a Master's in Global Health Systems and Development at Tulane University and then received her medical degree from the University of Wisconsin-Madison School of Medicine. Afterwards, she completed her adult psychiatry residency and child and adolescent psychiatry fellowship training at Western Psychiatric Hospital of University of Pittsburgh Medical Center. During her training, Dr. Vo has treated patients of all ages and diverse backgrounds with particular interest in immigrants and refugees. She works with people dealing with trauma, mood and anxiety disorders, ADHD, relationship conflicts, life transitions, and existential concerns. She has also received additional training in psychodynamic psychotherapy.

Dr. Michelle Hornbaker-Park is a board-certified General and Child and Adolescent Psychiatrist with over nine years of experience. Her practice focuses on medication management, which is founded not only on evidence-based medicine but also on the understanding that a trusting therapeutic relationship is the cornerstone of behavioral health healing. She incorporates CBT, supportive therapy, and psychoeducation into her medication management appointments and may refer patients for additional psychotherapy to improve outcomes. Dr. Hornbaker-Park received her Bachelor of Science degree from Ursinus College, with a dual major in Biochemistry/Molecular Biology and Neuroscience. After receiving a Health Professions Scholarship from the Army, she obtained her medical degree from Jefferson Medical College. She went on to enter active duty military service and complete General Psychiatry residency training and Child and Adolescent Psychiatry fellowship training at Tripler Army Medical Center before completing active duty service as a staff psychiatrist and 101st Airborne Division psychiatrist at Fort Campbell, KY. There she cared for active duty service members and their families to manage depression, anxiety, trauma, and the unique stressors of military service. She later transitioned to federal civilian service and served as a preceptor for Phase II Physician Assistant trainees and Army Social Work interns, reinforcing a passion for education that carried her to Walter Reed National Military Medical Center (WRNMMC). During her time at WRNMMC, she served in several roles including Deputy Medical Director of Inpatient Psychiatry, core faculty for the National Capital Consortium Psychiatry Residency Program, Associate Program Director, and associate faculty at the Uniform Services University for Health Sciences (USUHS). Prior to transitioning out of federal service to join Talkiatry, she was repeatedly recognized for excellence in academics and mentorship and received multiple teaching awards. This zeal for education and mentorship, as well as humility, personal growth, and learning, translates directly into her philosophy for patient care. She believes a whole-person approach with open, collaborative teamwork is the key to progress.

Dr. Alejandra Cattan is a bilingual psychiatrist who delivers care in English and Spanish. She went to medical school in Buenos Aires, Argentina, and completed her psychiatry residency at Bronx Care Health system. She then completed additional training in Psychodynamic Psychotherapy at NY Medical College Psychoanalytic Institute. After completing residency, she worked as an attending psychiatrist in New York and later transitioned to dedicated outpatient work. Dr. Cattan brings exceptional care to her patients. She provides supportive psychotherapy and applies psychodynamic psychotherapy skills to discover the root of their suffering, in conjunction with medication management resources. Dr. Cattan believes in a biopsychosocial model to address her patients' issues. Her areas of expertise include medication management, mood disorders, anxiety disorders, bipolar disorder, PTSD, and substance use disorders.

Amberly Chaplin, PMHNP, has experience practicing across multiple levels of psychiatric care, including outpatient, inpatient, emergency psychiatric services, and PHP/IOP settings. She brings a unique interdisciplinary background, having earned a Bachelor of Arts from Boston College and a Master of Arts in Psychology from Boston University School of Medicine, followed by licensure as a Licensed Mental Health Counselor (LMHC). She later completed both her Bachelor of Science in Nursing and Master of Science in Nursing in Psychiatric Mental Health at Northeastern University.

Amberly prioritizes creating a collaborative, supportive environment where patients feel heard and actively involved in their care. She values transparency and patient education, believing that shared understanding helps align treatment decisions with each individual’s personal goals, values, and lifestyle.

Amberly conducts thorough, structured initial evaluations that remain conversational and patient-centered, with careful attention to personal history and current concerns. She respects each patient’s lived experience and preferences when developing highly individualized treatment plans and, when appropriate, integrates holistic and nutritional approaches to complement traditional psychiatric care.

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Amber Gordon, PMHNP-BC, is a board-certified psychiatric nurse practitioner dedicated to providing personalized mental health care. She holds a Bachelor of Science in Healthcare Administration from the University of Memphis, a Bachelor of Science in Nursing from Union University, and a nursing practice degree from the University of Tennessee Health Science Center.

With over a decade of clinical experience, Gordon has worked in a variety of settings, including psychiatry, intensive care, and dialysis. Her psychiatric experience spans inpatient and outpatient care, as well as residential and correctional facilities. She has served diverse populations, addressing a wide range of mental health conditions such as mood disorders, anxiety disorders, substance use disorders, trauma- and stressor-related disorders, and perinatal psychiatric conditions.

Gordon’s approach to mental health emphasizes the complex interplay between mental and physical well-being, lifestyle choices, and environmental factors. She integrates conventional medicine with alternative therapies, recognizing the importance of medication while also advocating for therapy, nutrition, and lifestyle changes. This holistic philosophy reflects her belief in each patient’s unique journey to mental wellness. Her therapeutic style is described as warm, empathetic, and empowering, with a strong focus on building a trusting and connected therapeutic relationship.

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