Geoffrey Sinner, MD

Tiffany Vickers is a board-certified Psychiatric Nurse Practitioner who earned her Master of Science Degree from Southeastern Louisiana University. She takes a holistic approach to mental health by recognizing the essential connection between the mind and body. Tiffany has 26 years of diverse experience in the clinical, home, and telepsychiatry settings.

Tiffany is committed to creating a safe, supportive, and nonjudgmental space where clients feel heard. She is especially passionate about reducing the stigma surrounding mental illness and believes in partnering closely with clients to help them achieve meaningful and lasting progress.

New patients working with Tiffany can expect a collaborative, respectful, and goal-oriented approach to care. She specializes in treating adults with ADHD, anxiety, bipolar disorder, depression, OCD, and PTSD. Tiffany's treatment approach utilizes a combination of medication management, lifestyle modifications, supportive therapy, and solution-focused techniques.

Her approach is grounded in empathy, clinical expertise, and a commitment to helping each individual achieve their mental health goals.

Tiffany follows a multi-stage, personalized approach when working with clients. She begins by gathering a comprehensive history, understanding the client's primary concerns, and identifying both short- and long-term goals. From there, she collaborates with each individual to develop a tailored treatment plan that includes client-specific interventions.

Tiffany's process is dynamic and adaptive! She monitors each client's progress and adjusts care as needed to ensure it remains aligned with their needs and goals. This thoughtful, individualized approach supports lasting outcomes and empowers clients to take an active role in their mental health journey.

Dr. Vitaly Chernish is a board-certified psychiatrist. He earned his medical degree from the University of Tennessee Health Science Center, where he also completed his psychiatry residency training. Following residency, he relocated to New York City and worked at NewYork-Presbyterian Brooklyn Methodist Hospital. He also held an academic appointment as Assistant Professor of Clinical Psychiatry at Weill Cornell Medical College. Dr. Chernish specializes in the treatment of anxiety disorders, depression, bipolar disorder, post-traumatic stress disorder (PTSD), and obsessive-compulsive disorder (OCD).

Dr. Chernish strives to create a therapeutic environment that balances empathy and compassion with structure and clinical clarity. Patients can expect a thoughtful, respectful approach that prioritizes understanding their concerns while providing clear guidance and evidence-based recommendations.

Initial visits involve a comprehensive evaluation of psychiatric, medical, and psychosocial history, current symptoms, and medication use to ensure care is individualized and appropriate. Dr. Chernish emphasizes collaborative, multidisciplinary treatment and regularly coordinates care with primary care physicians, specialists, and therapists when clinically indicated.

Ekta Rathee, DNP, PMHNP-C, is an experienced psychiatric and mental health nurse practitioner with an extensive clinical background in a variety of patient care settings. Rathee's diverse clinical background has strengthened her belief in a holistic approach for optimal patient outcomes. Though her primary focus remains medication management of anxiety, depression, bipolar disorder, OCD, PTSD, ADHD, she equally supports and incorporates the principles of cognitive behavioral therapy, acceptance and commitment therapy, motivational interviewing and enhancement therapy, and supportive therapy in her daily patient care practice. Rathee truly believes in an individualized and holistic patient care approach, which requires a wealth of knowledge, experience, and a commitment to stay abreast of the latest in the field. Her favorite learning modality is to learn from unique patient care scenarios, which often requires a deep dive into the existing body of evidence-based knowledge. Her most important advice for her patients is to never lose hope.

Dr. Divya Khosla, MD, is a double board-certified Child, Adolescent, and Adult Psychiatrist. She received her undergraduate degree from Case Western Reserve University in Cleveland, Ohio, and her medical degree from Ross University, completing all of her clinicals in Maryland, D.C., and NYC. She completed her adult psychiatry residency at The Ohio State University in Columbus, Ohio. Then she returned to the east coast, where she completed her child and adolescent psychiatry fellowship at Nassau University Medical Center in East Meadow, New York. Dr. Khosla has participated in a variety of innovative academic clinical research, and has presented research at annual national meetings of the American Psychiatric Association. Her robust clinical experience with varying demographics at different clinical sites around the country has allowed her to treat patients in an evidence-based way, tailoring treatment to an individual's specific needs. Although Dr. Khosla's practice focuses on medication management, she also implements supportive therapy and motivational interviewing in sessions to allow for a more comprehensive approach to treatment. Her clinical interests include depression, bipolar disorder, anxiety disorders, post-traumatic stress disorder, panic disorder, and ADHD.

Virginia Hogan, PMHNP, is a dedicated psychiatric mental health nurse practitioner with experience in both inpatient and outpatient psychiatric care. She began her career in general surgery and primary care before pursuing her passion for mental health. Virginia earned a bachelor’s degree in Biology, a BSN in Nursing, and a Master of Science in Nursing from Northern Kentucky University. She is board-certified through the ANCC as a Psychiatric Mental Health Nurse Practitioner.

Virginia is deeply committed to patient-centered care, always taking into account and respecting each individual’s unique needs and experiences. She emphasizes patient strengths when setting treatment goals and fosters a supportive, empathetic environment. Patients can expect someone who listens attentively, values collaboration, and works to build a positive and mutually respectful therapeutic relationship.

During the initial session, Virginia encourages patients to share their stories in order to gain a full understanding of their history, concerns, and goals. Together, she and her patients develop individualized treatment plans that align with those goals. Follow-up appointments are designed to track progress, celebrate growth, and make thoughtful adjustments as needed.

Dr. Jisoo Park is a board-certified psychiatrist. She obtained her bachelor's degree from Tufts University, where she double majored in Biopsychology and Art History. She attended medical school at Nova Southeastern University, and completed her psychiatry residency at Stony Brook University Medical Center. After graduating with her residency, she was appointed clinical assistant professor at Renaissance School of Medicine, where she worked at the Treatment Resistant Depression Clinic. She was involved in teaching medical students and residents, and was part of various research studies and publications. Dr. Park treats a variety of psychiatric disorders in adults, including depression, anxiety, and PTSD. She does not treat patients with ADHD. She emphasizes a patient-centered approach and believes that best treatment outcomes result from a strong therapeutic relationship between a patient and a psychiatrist. She offers medication management and therapy through telehealth sessions. She offers sessions in both English and Korean.