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Michael Underriner, MD

Staff Psychiatrist
Languages
English
Conditions Treated
ADHD
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma

Education and training

• New York University

• University of Chicago Pritzker School of Medicine

Get to know

Michael Underriner, MD

Dr. Michael Underriner is an adult psychiatrist. His approach to treatment is holistic, taking into account the entire person, and emphasizes the importance of the therapeutic bond to help people reduce suffering and achieve their goals. He is a member of the Gold Humanism Honor Society. Dr. Underriner's practice focuses on a mix of medication management, offered in conjunction with supportive therapy in 30-minute follow-up visits, and insight-oriented psychotherapy offered in weekly 45-minute visits. He works with people struggling with ADHD, depression, anxiety, obsessive-compulsive and related disorders, and difficulties with self-esteem and relationships. Occasionally Dr. Underriner may believe that additional therapy is warranted and recommend a separate therapist to provide the best outcome. He received his medical degree from the University of Chicago Pritzker School of Medicine and completed his residency training at New York University. During training, he gained experience treating patients with various psychiatric illnesses in several different clinics and hospital-based settings. He worked with experts in the field of depression and provided consultations for patients considering transcranial magnetic stimulation. He also published a review article on long-term injectable medications for psychosis. Dr. Underriner has maintained an interest in teaching and remains connected to the psychiatry department at NYU. He has supervised and taught junior residents and medical students. Additionally, he is interested in global health and disparities in access to care and has traveled to Ghana to teach medical students rotating through psychiatry at the university there.

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Katherine Vital-Daley, MD

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Dr. Katherine Vital-Daley is an adult psychiatrist at Talkiatry. She treats all adults and her passion lies in providing accessible care for women facing challenges throughout pregnancy, childbirth, and postpartum and in reproductive psychiatry. Dr. Vital-Daley's academic background is rooted in science, with an undergraduate degree in biochemistry and molecular biology from the University of California, Merced. She then pursued her medical doctorate at the Medical University of the Americas. Following medical school, she completed her psychiatry residency training. The first two years were spent at East Carolina University, Brody School of Medicine, with a culmination of her last two years of residency at Allegheny Health Network in Pittsburgh, Pennsylvania, to further specialize in women's mental health, which solidified her expertise in this vital area.‍At Allegheny Health Network's Women's Behavioral Health clinic, Dr. Vital-Daley honed her skills in treating a range of conditions, including depression, anxiety, PTSD, OCD, bipolar disorder, and related issues, and served as a medical provider for their intensive perinatal/postpartum outpatient clinic. She also developed a deep understanding of perinatal mental health, supporting patients coping with perinatal loss and traumatic birthing experiences. In her practice, she employs supportive psychotherapy and mindfulness along with evidence-based medication management, utilizing the most current clinical guidelines and treatment modalities. ‍Dr. Vital-Daley's approach is rooted in a collaborative treatment approach. She works closely with patients, exploring past and current stressors and any relevant medical conditions to develop a comprehensive understanding of their individual needs. Recognizing the importance of cultural competency, she incorporates patients' unique backgrounds, beliefs, and core values into her care plans.

Anita Green, LPC

Staff Therapist

Anita Green is a Licensed Mental Health Counselor who has worked directly with clients of various demographics and has a variety of mental health challenges. Anita graduated from Texas Wesleyan University in 2014 with a 3.8 GPA in Counseling. She also had the pleasure of studying abroad in Australia and China. Anita has been practicing as a LPC since 2023, focusing on substance abuse disorders and mood disorders that have a direct impact on everyday life. When working with Anita, her treatment will be tailored to the needs of the individual and their struggles. She uses foundational Interventions, including Addiction Counseling, CBT, DBT, ACT, EMDR, Empathy Active Listening, Crisis Intervention, Client Assessment, Therapeutic Boundaries, Self-Care Practices, and Multicultural Competence. Let's take this journey together.

Zviadi Aburjania, MD

Staff Psychiatrist

Dr. Zviadi Aburjania earned his medical degree from Tbilisi State Medical University in Georgia. After moving to the U.S., he worked in cancer research as a technician and later as a lab manager, while also conducting clinical research and mentoring students. Prior to residency, he completed an observership in psychiatry while working as a database manager. He values having trained in a program that emphasized both psychotherapy and medication management.

Dr. Aburjania sees it as a profound honor to be entrusted with his patients’ mental health. He strives to create a warm, respectful, and supportive environment where individuals feel heard, understood, and safe throughout their care.

Dr. Aburjania takes a personalized approach to treatment. During initial sessions, he carefully explores each patient’s history, challenges, and goals to develop tailored treatment plans that reflect their unique strengths, needs, and aspirations.

Rebecca Kostopoulos, PMHNP

Director, Psychiatric Nurse Practitioners

Rebecca Kostopoulos, PMHNP, is a board-certified psychiatric nurse practitioner committed to helping individuals facing mental health challenges lead full and balanced lives.

Her practice primarily focuses on medication management, often combined with supportive or emotionally focused therapy during 30-minute follow-up visits. When appropriate, Rebecca may recommend involving an additional therapist to ensure the most effective and comprehensive care.

She earned her Master of Science in Nursing with a specialization in psychiatry from Columbia University and her Bachelor of Science in Nursing from Boston College. Her training includes psychiatric diagnosis, medication management, and both psychodynamic and cognitive-behavioral therapies.

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Staff Licensed Clinical Social Worker

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Timothy Mariano, MD

Staff Psychiatrist

Dr. Timothy Mariano graduated from Case Western Reserve University’s Medical Scientist Training Program, earning both a PhD in Biomedical Engineering and an MD. He completed his psychiatry residency at Warren Alpert Medical School of Brown University. He holds a bachelor’s degree from Harvard University and a master’s in Experimental Psychology from the University of Oxford. Dr. Mariano has extensive outpatient psychiatry experience with civilian and Veteran populations and is an experienced clinical trialist specializing in non-invasive brain stimulation and digital mental health. He is adjunct faculty at Brown University with clinical and teaching roles at the VA Medical Center.

Dr. Mariano values open communication and mutual respect, setting clear treatment goals and expectations throughout care. He treats all patients with equal care and respect.

He meets patients where they are to support their goals. Initial appointments focus on understanding the patient’s background and expectations. Together, they develop an individualized treatment plan that evolves with the patient.

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Specialties
ADHD
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
States
New York
Virginia
New Jersey
Languages
English
Takes insurance
Virtual visits
5 years experience