John Whittier, MD

Dr. Pereira is a board-certified adult psychiatrist who is dedicated to providing compassionate care for a wide range of mental health concerns. He received his Bachelor of Arts from Harvard University and his medical degree from The Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, where he graduated with the Department of Psychiatry's award of distinction. He went on to complete his psychiatric residency training at Northwell Health's Zucker Hillside Hospital, with a specialization in the assessment and treatment of obsessive compulsive disorder and related conditions. Dr. Pereira's clinical approach emphasizes building trust with his patients and working collaboratively to develop an individualized treatment plan. He uses medication management along with cognitive behavioral therapy, exposure and response prevention, psychodynamic psychotherapy, interpersonal psychotherapy, and supportive therapy as needed. His practice treats a wide range of conditions, including depression, anxiety, OCD, family and relationship struggles, and other mental health issues. He has been trained in a wide range of settings including inpatient, outpatient, emergency departments, and behavioral health crisis centers. He also has experience teaching and supervising medical students and psychiatry residents.

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.

Elyse Sipka is a board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP) with over a decade of experience as a mental health RN in outpatient, inpatient, and residential settings, including eating disorder treatment centers, inpatient psychiatric units, and crisis units. She earned her Master of Science in Nursing from Indiana Wesleyan University in 2021 and has been practicing as a PMHNP in an outpatient setting for over four years, caring for adults with a wide range of mental health needs including depression, anxiety, OCD, bipolar disorder, ADHD, PTSD, substance use, eating disorders, and severe mental illness.

Elyse creates a safe and supportive environment where patients feel heard and valued. She is warm, empathetic, and approachable, providing comprehensive and holistic care that combines medication management, therapy, and lifestyle interventions to help clients achieve their treatment goals.

Elyse begins with an in-depth initial assessment exploring physical, mental, emotional, and spiritual health. She collaborates with clients to develop individualized treatment plans, integrating medication management with psychotherapy using principles of supportive therapy, Acceptance and Commitment Therapy (ACT), and Cognitive Behavioral Therapy (CBT).

Amy Gonzalez is a board certified Psychiatric Mental Health Nurse Practitioner as well as a Family Nurse Practitioner. She has been practicing in the field of nursing since 1996. Amy has been a practicing Family Nurse Practitioner since 2007, and she started to focus on substance abuse treatment in 2010. She found that many people with substance use disorder also struggle with their mental health and went on to get her Psychiatric Mental Health Nurse Practitioner degree completing it in 2017. Her past experience includes working in both outpatient and inpatient psychiatry, 24-hour crisis care, substance use treatment, mental health court, and both adult and geriatric psychiatry. Amy has expertise in treating depression, bipolar spectrum disorder, anxiety, insomnia, PTSD, substance use disorders and thought disorders.

Amy believes in providing a safe and supportive environment where she really gets to know her patients as individuals and works collaboratively with them to develop a treatment plan. She is concerned with a patient's overall wellness, emphasizing nutrition, movement, hobbies, social connection, and mindfulness. She takes a holistic approach to treatment which focuses on evidence-based treatments including conventional medications, supplements, and alternative and complementary treatments.

Amy focuses on medication management as well as providing supportive therapy, psychoeducation, and motivational interviewing to her patients in 30-minute follow up appointments. Sometimes Amy may recommend more intense therapy and ask that you bring a therapist into your care team to provide the best outcome.

Background and credentials

Dr. Yang is board-certified in both General Psychiatry and Addiction Psychiatry. She received her medical degree from the Medical School of Nanjing University in China and completed her Ph.D. in Neuroscience at the State University of New York in Buffalo. She conducted neuroscience research at Tufts University and Columbia University. Dr. Yang completed her residency in Psychiatry at the University of Texas Health Science Center at Houston – McGovern Medical School (UTHealth) and a fellowship in Addiction Psychiatry at Baylor College of Medicine. She has held academic positions at Baylor College of Medicine, supervising medical students, residents, and physician assistant students.

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Treatment approach

Dr. Yang specializes in treating depressive disorders, bipolar disorders, anxiety, substance use disorders, ADHD, and trauma-related disorders. She employs medication management combined with supportive therapy and motivational interviewing techniques. Dr. Yang emphasizes building strong therapeutic relationships, tailoring treatment to each patient's unique goals and needs.

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What you can expect in a first visit

In the initial visit, patients can expect a detailed, personalized evaluation by Dr. Yang. She will explore symptoms, medical history, personal goals, and treatment preferences to design an individualized care plan. Patients can expect a compassionate, collaborative approach with clear communication about medication management options and supportive therapeutic strategies aimed at improving their overall well-being.

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Why Talkiatry?

We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

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Dr. Yaejin Park is a board-certified adult psychiatrist at Talkiatry. She received her medical degree from the University of Illinois at Chicago School of Medicine and completed her psychiatry residency training at Mount Sinai Morningside West.

Dr. Park has professional interests in treating a wide range of psychiatric conditions including depression, anxiety, PTSD, and eating disorders.  She strives to provide compassionate and holistic care with the integration of supportive psychotherapy and medication management.