Bipolar Disorder Psychiatrists in New York

Dr Mark Giordano is a board-certified psychiatrist with over ten years of experience in adult psychiatry, addiction medication, pregnancy and post-partum care, complex medical consultation, and military health. Dr G practices psychodynamic psychotherapy as well as evidenced based medication management. Dr G has extensive experience working with culturally diverse populations, and is an Army veteran who deployed to Korea and Afghanistan.

Patients often describe Dr G as caring, providing clear explanations, and responsive to concerns.   Dr G highly values his patients trusting him to listen and respect them, as well as in his clinicial skills.  He works hard at helping his patients understand his approach to treatment, and what is happening along the way and why. He may be the medical expert, but he and his patients are partners working together in the process of achieving better health and functionality for them so they can live their best lives.

Dr G starts by explaining his overall approach to medication management and his goal of helping his patients live a better life free of disability. He conducts a detailed evaluation of your concerns, your experiences, and your priorities in treatment.  Dr G develops a unique treatment plan based on your unique needs. He emphasizes positive developments over the course of your work together and makes sure you always have a chance to discuss any questions or concerns you want him to know and answer.

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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Xavier Diao, MD (he/him) is a board-certified psychiatrist. He earned his undergraduate degrees in Psychology and Biological Sciences at the University of Maryland, where he also obtained his medical degree. Dr. Diao completed his psychiatry residency at the Icahn School of Medicine at Mount Sinai, received additional training in child and adolescent psychiatry at Columbia and Cornell, and finished a psychoanalytic fellowship at the New York Psychoanalytic Society & Institute. Prior to joining Talkiatry, he was an Assistant Professor of Clinical Psychiatry at the University of Pennsylvania, where he provided clinical care and teaching along the undergraduate-graduate medical education continuum.

Dr. Diao's therapeutic orientation is informed by psychodynamic, cognitive behavioral, and dialectical behavior modalities. He has expertise in the treatment of a diverse range of mental health conditions, including depression, anxiety, OCD, and PTSD. Dr. Diao uses a developmentally informed and LGBTQ-affirmative approach in his practice, with the aim of enriching meaning and alleviating suffering in the domains of work, play, and love.

Dr. Diao begins each encounter with gentle curiosity, inviting patients to share their stories without fear of judgment. Together, he crafts an individualized treatment plan with the patient that may include medication, psychotherapy, and/or referrals to subspecialty care, always in close collaboration with other members on the treatment team.

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Background and credentials

Dr. Schaefer is a board-certified adult psychiatrist with over 16 years of experience. She earned her medical degree from the University of Nebraska Medical Center in Omaha, NE, and completed her adult psychiatry residency at Oregon Health and Science University in Portland, OR. She then specialized further by completing a forensic psychiatry fellowship at Yale University. She has worked as a staff psychiatrist at Atrium Health System for over 16 years.

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Treatment approach

Dr. Schaefer’s practice primarily focuses on medication management, which she offers in conjunction with supportive therapy and elements of cognitive-behavioral therapy (CBT). She takes a patient-centered and collaborative approach, ensuring that treatment is tailored to each individual’s needs. If additional therapy is required, she may recommend working with a therapist as part of a comprehensive care plan. Her primary focus areas include depression, anxiety disorders, and obsessive-compulsive disorder (OCD).

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What you can expect in a first visit

During the first visit, patients can expect a thorough psychiatric evaluation, where Dr. Schaefer carefully assesses their symptoms, treatment history, and mental health goals. She works collaboratively with patients to develop a personalized treatment plan, which may include medication management and therapy recommendations. Follow-up visits are typically 30 minutes and focus on monitoring progress, adjusting treatment as needed, and ensuring the best possible patient outcomes.

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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. Orejarena is board certified by the American Board of Psychiatry and Neurology. She finished her residency from Yale University and the University of Texas Houston. She has done extensive research on psychiatry during her PhD in Neuropsychopharmacology and a Master's in Neuroscience. She is bilingual in Spanish and English. She incorporates different therapy modalities and evidence-based treatments, tailored to each person's needs. She enjoys applying her knowledge in neuroscience and pharmacology into her clinical practice and believes a combination of medication and psychotherapy yields the best treatment outcomes.

Her ultimate goal is to help patients feel their best and accomplish their own goals by developing tools to navigate internal or external obstacles that are part of life. Dr. Orejarena is originally from Colombia, where she earned her medical degree from Universidad Industrial de Santander. She pursued a Master's in Neuroscience at the University of Barcelona and a PhD in Neuropharmacology at the Universidad Pompeu Fabra in Barcelona, Spain. Her PhD thesis was honored summa cum laude.

She completed a postdoctoral fellowship training at the Institut de Neurobiologie de la Mediterranee in Marseille, France. She is the author of multiple peer-reviewed publications and has presented her research at national and international meetings. Over the years, she has worked in a variety of settings including outpatient clinics, acute care, psychiatric hospitals as an Assistant Professor of Psychiatry at the University of Texas Health Sciences Center.‍‍

Dr. Shalin Shah earned his undergraduate degree from Northwestern University, his medical degree from Texas A&M University College of Medicine, and completed psychiatry residency at the University of Colorado Anschutz School of Medicine. He is ABPN certified in Psychiatry and completed a rigorous 3-year psychotherapy scholars track, gaining experience across multiple therapeutic modalities. During residency, he served as outpatient chief resident and was recognized with a selective service excellence and leadership award. Before medical school, he worked as a project manager for a large electronic health corporation.

Dr. Shah believes trust is the foundation of meaningful treatment. He aims to create a space where patients feel seen and supported yet thoughtfully challenged, using genuine curiosity, warm humor, humility, and a direct style. He collaborates with each patient to develop holistic, realistic treatment plans that may or may not include medication. His therapeutic work blends psychodynamic and humanistic approaches, with availability for a limited number of weekly psychotherapy patients.

In the first appointment, Dr. Shah explores each patient’s life story, asking detailed questions to understand them as a whole person. He then focuses on their immediate concerns and works collaboratively over time to refine a treatment plan that balances symptom relief with deeper, long-term healing. He thinks integrative and holistically, considering medical and mental health history, lifestyle, self-narrative, psychological structure, cultural and spiritual background, and broader societal influences.

Dr. Leslie Chavez is a board-certified adult psychiatrist with a diverse background in clinical and academic medicine. She completed her medical school and residency at the University of New Mexico, where she later served as a psychiatrist and assistant professor, treating high-need patients and teaching residents and medical students. During the pandemic, she transitioned to telehealth and has been dedicated to this field for the past four years. Dr. Chavez is known for making her patients feel seen and heard, using both medication management and supportive psychotherapy. Dr. Chavez began her academic journey as a physics major at UNM and then studied biophysics at the University of San Diego, California. During her postdoctoral fellowship at Los Alamos National Laboratories, she was inspired by presentations about professionals working with patients in African countries, which sparked her interest in medicine. During this time, her father died of cancer, and she saw the impact of mental health therapy on his quality of life, further solidifying her motivation to attend medical school. Witnessing the profound impact of mental health on her patients and family, she specialized in psychiatry. Dr. Chavez is a seasoned psychopharmacologist and emphasizes the importance of nutrition, exercise, and community in mental health. She enjoys all aspects of medicine and combines her extensive knowledge with a patient-centered approach.

Dr. Anne Rohs is board certified in both adult and geriatric psychiatry and has practiced psychiatry for over 10 years. She has extensive experience treating critically ill patients in hospital settings. This experience allowed her to hone skills necessary to care for individuals with complex psychiatric illnesses complicated by medical conditions. Dr. Rohs' approach to care involves providing a consistent, empathic, non-judgmental space to develop and attain shared treatment goals. She is committed to developing a partnership that is always respectful of patients' points of view, and she utilizes this knowledge to inform treatment plans that are safe, effective, and agreeable to patients. At the same time, she is sensitive to financial or insurance coverage factors that may impact treatment. After completing residency training at Montefiore Medical Center, Dr. Rohs was invited to serve an additional year as Senior Chief Resident for its adult psychiatry residency training program. She spent the next year as a fellow in Geriatric Psychiatry before her appointment as an attending physician on Montefiore's acute psychiatric inpatient unit. During her training years, Dr. Rohs made several trips to Uganda to serve as an attending physician with the Doctors for Global Health Project. Dr. Rohs subsequently transferred to Bronx Psychiatric Center (BPC), where she treated inpatients and outpatients suffering from severe mental disorders. At BPC, she expanded her knowledge base and became an expert in advanced psychopharmacology. Dr. Rohs also spent time prior to joining Talkiatry as an attending physician at NYU Langone Hospital. Dr. Rohs specializes in treating a variety of psychiatric conditions including mood disorders, psychotic disorders, anxiety disorders, PTSD, and dementia. She is attuned to the direct and indirect mental health impact of the pandemic and its aftermath on patients of all ages. Dr. Rohs does not usually treat ADHD patients. For the small number of patients she treats who have ADHD, Dr. Rohs requires comprehensive testing, multiple follow ups, and a full medical workup before confirming a diagnosis to ensure appropriateness and safety of chosen treatment.Dr. Anne Rohs is board certified in both adult and geriatric psychiatry and has been in practice for over ten years. She has an extensive background working in hospital settings treating critically ill patients. This experience has helped hone her skills in caring for individuals with complex psychiatric illnesses complicated by medical conditions. Dr. Rohs’ approach is to provide a consistent, empathic, non judgmental space to develop and attain shared treatment goals. Dr. Rohs is committed to developing a partnership which is always respectful of patients’ points of view, and she utilizes this knowledge to inform treatment plans that are safe, effective and agreeable to patients. She is sensitive to financial or insurance coverage factors that may impact treatment.

After completing residency training at Montefiore Medical Center, Dr. Rohs was invited to serve an additional year as Senior Chief Resident for their adult psychiatry residency training program. She spent the following year as a fellow in Geriatric Psychiatry before being appointed an attending physician on Montefiore’s acute psychiatric inpatient unit. Dr. Rohs subsequently transferred to Bronx Psychiatric Center, where she treated patients suffering from severe mental disorders in both inpatient and outpatient settings. As a result, she further expanded her knowledge base and became an expert in advanced psychopharmacology. Prior to joining Talkiatry, Dr. Rohs served as an attending physician at NYU Langone Hospital. She has also been an attending physician for the Doctors for Global Health Project in Uganda.

Dr. Rohs specializes in treating a variety of psychiatric conditions including schizophrenia, bipolar disorder, generalized anxiety disorder, depression, and dementia. She is attuned to the direct and indirect mental health impact of the pandemic on patients of all ages. As the Covid situation evolves, Dr. Rohs is available to see patients either in the office or via telehealth platforms.

Dr. Rohs does not usually treat ADHD patients. For the small number of patients she treats who have ADHD, Dr. Rohs requires comprehensive testing, multiple follow ups, and a full medical workup before confirming a diagnosis to ensure appropriateness and safety of chosen treatment.

Dr. He is board-certified in adult psychiatry and addiction medicine. She is passionate about providing quality and accessible mental health care while considering each patient's concerns, values, and life circumstances. She received her medical doctorate degree from State University of New York (SUNY) Downstate Medical Center, and completed her psychiatry residency at George Washington University Hospital in DC. Prior to medical school, she completed a Master of Public Health from Yale School of Public Health. Dr. He has special clinical interests in providing trauma-informed and culturally competent care in the treatment of mental health conditions. She has experience working with special populations, such as minorities, immigrants, perinatal women, and LGBTQ+ communities. She holds a certificate from Harvard in Global Mental Health: Trauma and Recovery Program. She currently serves on the Board of Directors for a non-profit organization in Washington DC to prepare people recovering from mental illness to improve their quality of life. Although Dr. He's practice primarily focuses on medication management, she looks forward to getting to know you and incorporating her experiences with insight-oriented therapy in 20 or 30 minute follow-up visits.

Dr. Caitlin Gardiner is a board-certified psychiatrist specializing in child and adolescent psychiatry and psychotherapy. Dr. Caitlin Gardiner's practice is based on the biopsychosocial model and believes that the foundation of healing is in psychotherapy and human connection. She is known for incorporating therapy into her medication management practice. Typically she offers 30-minute follow-up visits for medication management with focused therapy based on individual needs. As a known helper, Dr. Gardiner started her career with a bachelor's degree in social work from Cazenovia College in Cazenovia, NY. After changing career paths, she received her medical degree from SUNY Upstate Medical University in Syracuse, NY. She stayed upstate to complete her general psychiatry residency, where she was chief resident at the beginning of the COVID-19 pandemic. Following this, she completed her child and adolescent psychiatry fellowship at Upstate due to the high quality of training. Dr. Gardiner has completed 3 years of advanced training in Dynamic Deconstructive Psychotherapy as well as specialized training in DBT. Dr. Gardiner is a well-rounded psychiatrist who enjoys treating youth and young adults during transitional phases of life while providing a safe and supportive environment. She believes strongly in reducing polypharmacy and providing high-quality medication management through a therapeutic and developmental lens.

Dr. Crump is a board-certified psychiatrist at Talkiatry. She is from Kentucky and completed her undergraduate studies at Murray State University. She obtained her medical degree from University of Kentucky College of Medicine and completed her psychiatry residency training at University of Louisville School of Medicine. Afterwards, she completed a fellowship in child and adolescent psychiatry at Medical University of South Carolina.

Dr. Crump has experience in a wide range of diagnoses and patient populations, with particular interest in anxiety, depression, PTSD, substance use disorders as well as the child and adolescent, college, BIPOC, and LBGTQIA+ populations.

Dr. Crump believes in the importance of getting to know each patient as a whole and of understanding the unique experiences that bring them to treatment. She collaborates with her patients to create personalized treatment plans and considers both medication and non-medication options.

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Dr. Jylia Lobanova is a board-certified psychiatrist who began her medical career in Tashkent, Uzbekistan, where she worked at the Central Psychiatric Hospital. After moving to the U.S., she completed her residency at MetroHealth Medical Center, affiliated with Case Western Reserve University. She has treated diverse populations in both inpatient and outpatient settings, including work at Portage Health Clinic in Ohio, Harris Health in Houston, and Legacy Community Health, where she focused on LGBTQ and HIV-positive patients.

Dr. Lobanova values building a trustful and respectful therapeutic relationship. She creates a welcoming space for open communication and mutual understanding, which she believes is the cornerstone of effective treatment. She is especially passionate about supporting patients from diverse cultural backgrounds and has a special interest in women’s mental health across the lifespan.

Dr. Lobanova takes a holistic approach to care, combining medications, psychotherapy, psychoeducation, proper nutrition, and physical activity. She partners closely with each patient to develop an individualized treatment plan tailored to their unique goals and needs, always striving to empower them in their journey toward mental wellness.

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Dr. Nicholas Sahagian is a Psychiatrist in Colorado who has been practicing since 2023. He completed his MD and Adult Psychiatry Residency at the Chicago Medical School at Rosalind Franklin University and earned his BA in Neuroscience at Skidmore College. Dr. Sahagian has experience managing a broad array of complex psychiatric diagnoses in patients of diverse socioeconomic, cultural, and clinical backgrounds. Outside of work, he enjoys hiking, biking, skiing, playing guitar, reading, and collecting board games.

Dr. Sahagian offers psychiatric medication management while also incorporating elements of cognitive behavioral therapy, motivational interviewing, internal family systems, and lifestyle interventions. He believes that every patient is unique, and he works to create a supportive environment where individuals feel heard and empowered in their care.

Grounded in the biopsychosocial model, Dr. Sahagian takes a collaborative, patient-centered approach. He partners with patients to develop personalized treatment plans that integrate biological, psychological, and social factors, with the goal of guiding them along their path to improved wellness.

Lauren is a board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP-BC) who earned her Master of Science in Nursing from Kent State University in 2020. She has experience treating a wide range of mental health conditions, including depression, anxiety, psychotic disorders, bipolar disorder, ADHD, OCD, PTSD, and substance use disorders.

Lauren’s approach combines medication management with psychotherapy to create a well-rounded, individualized treatment plan. She takes time to listen to her patients’ concerns, fostering a safe and open environment for dialogue. Her therapeutic methods include supportive therapy, motivational interviewing, and cognitive behavioral therapy. Recognizing that medication alone may not fully address the root causes of distress, she incorporates talk therapy, lifestyle changes, stress management, self-care strategies, supplements, and social health into her care plans.

With a laid-back, non-judgmental, and empathetic style, Lauren collaborates closely with patients to ensure their treatment aligns with their unique needs and goals. Every decision is grounded in evidence-based practices and patient-centered care.

Lauren begins with a comprehensive initial assessment, gathering detailed information about each patient’s mental and physical health history, lifestyle, symptoms, concerns, and goals. This assessment informs a potential diagnosis and serves as the foundation for a personalized treatment plan. Regular follow-up appointments are scheduled to monitor progress, make adjustments as needed, and provide ongoing support.

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Amanda Rivera, PMHNP, is a board-certified Psychiatric Mental Health Nurse Practitioner through the lifespan, certified by the ANCC in 2020. She earned a Bachelor of Science in Psychology with a biology minor from Clarkson University, followed by a Bachelor of Science in Nursing and a Master of Science in Nursing from St. John Fisher College. Amanda has over 15 years of experience in mental health, beginning in 2010 as a Therapy Aide at Rochester Psychiatric Center. She has practiced across inpatient hospitals, state psychiatric facilities, outpatient community clinics, correctional settings, group homes, and telehealth/private practice. She works with patients ages 16 and older and is highly experienced in trauma, mood and anxiety disorders, ADHD, autism, psychotic and personality disorders, substance use, and parenting challenges. She values working with families to strengthen the family unit.

Amanda values open communication and collaborates with patients to establish clear, meaningful treatment goals. She provides a warm, supportive environment where patients feel heard, respected, and empowered to take ownership of their mental wellness. Treatment is individualized, with medication decisions guided by a careful balance of safety and symptom relief. Appointments are conversational in nature, allowing care to be more personalized as patients share openly.

Amanda begins each visit by ensuring privacy and safety, then explores the concerns prompting care before gathering a biopsychosocial history through collaborative discussion. She provides education throughout sessions to help patients understand diagnoses and lived experiences. Medication options are discussed based on comfort level and clinical need. Follow-ups are scheduled at the end of each visit, with frequency adjusted as stability is achieved.

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Dr. Ruchir Arvind is an Adult General psychiatrist. He is a Diplomat of the American Board of Psychiatry and Neurology. He has been practicing for 4 years.

Dr. Arvind believes in collaborative and educational approaches to address his client’s needs. He believes that therapy is a foundational part in building a long term therapeutic relationship with his clients. He tries to put some educational part in helping his client’s to have a deeper understanding about their illness and related struggles and needs. He likes to follow up closely regarding progress towards his client’s goals. He integrates psycho education in all sessions into explaining his reasoning behind the choice of treatment options based on evidence based medicine. He also provides a brief supportive psychotherapy and Cognitive Behavioral Therapy to aid in treatment for depression, anxiety and insomnia.

Dr. Arvind received his medical degree from PramukhSwami Medical College in India and completed his residency training at University of Texas Health Science Center in his Hometown of Houston, Texas. He held an academic position as a faculty with University of Texas Health Science Center – McGovern Medical School in Houston as assistant professor and enjoyed teaching opportunities.

During his pursuit for residency training in psychiatry Dr. Arvind had been extensively involved in clinical research understanding neurobiological and psychological aspects of development of different anxiety disorders and bipolar disorders as early as in childhood populations. He has had Publications for several peer-reviewed articles and manuscripts and presentations at annual conferences.

Dr. Arvind has experience in treating versatile patient populations. His areas of focus have been anxiety disorders, Acute stress and Post traumatic stress disorder, Attention Deficit Hyperactivity Disorder( ADHD ) and Attention Deficit Disorder ( ADD ) , Tics  and Tourette Syndrome ,Insomnia and depression. He has also worker with adults with Bipolar illness and pregnancy related anxiety and depression and helping clients with any psychiatric illness due to underlying neurological issues like Seizures, Multiple Sclerosis and NeuroCognitive Issues along with addressing Caregiver Burden for some clients.

Patients looking for a psychiatric provider will find Dr. Arvind’s approach in a gentle, friendly and educational way with a composed demeanor. He tends to approach Individualized treatment plans based on different needs for different clients and will always welcome any questions regarding the plan to reach Client’s Goals.