Bipolar Disorder Psychiatrists in Massachusetts

Kenneth Kavanagh is board certified as both a Psychiatric/Mental Health Nurse Practitioner and an Adult Nurse Practitioner.  His career has spanned 30 years with the last 17 years devoted exclusively to psychiatry.  He integrates his knowledge of psychiatry and primary care into evidence-based medication management strategies.  He also possesses a good working knowledge of alternative treatments and integrating alternative treatments into more traditional approaches.  When needed to enhance patient care outcomes, he frequently works collaboratively with psychotherapists, primary care providers, and/or medical specialists.  

Kenneth currently focuses on managing depressive disorders, anxiety disorders, adjustment disorders, ADHD, somatic disorders, OCD, and bipolar disorders.  Kenneth has significant experience in working with diverse groups, including urban and rural populations across socioeconomic spectrums, professionals and college students on all levels, members of the LGBTQ community, individuals confronting life stage transitions, and people living with chronic medical conditions.  

Kenneth’s psychotherapeutic methods are diverse and evolve to meet collaboratively developed treatment goals.  Kenneth’s interaction style is always empathic and respectful but can range from comforting and supportive to more directive and therapeutically confrontational strategies to maximize treatment goals, often with significant doses of humor throughout the therapeutic relationship.

Dr. Deringer is a psychiatrist with board certification in general psychiatry and addiction psychiatry. She earned her M.D. from the University of Michigan Medical School, and she completed her psychiatry residency and addiction psychiatry fellowship training at New York University. She has previously held faculty roles at New York University School of Medicine and Harvard Medical School. She has been involved in training the next generation of psychiatrists through her past work on the Program Director team for the MGH-McLean Psychiatry Residency Program. She has expertise in treating adults with mood disorders, anxiety disorders, substance use disorders, personality disorders, trauma, and ADHD.

Dr. Deringer cares deeply about understanding each patient's unique experience.  She recognizes that mental health symptoms are impacted by an individual's biological make-up, social situation, and their individual way of interacting with others in the world.  She will assess all of these factors and work with you to develop an appropriate treatment plan to help you feel better and meet your goals.  She incorporates supportive psychotherapy into all of her patient meetings; this may include discussions of the role of nutrition, exercise, and sleep habits in your overall well-being.

Dr. Deringer will begin the evaluation process with a thorough one-hour session in which we will discuss your current symptoms, your prior treatment history, your medical history, and your goals for treatment.  At the end of that session, she will begin to formulate her diagnostic impression and treatment recommendations.  Sometimes, the evaluation process may require more than one session, and it may be helpful for Dr. Deringer to gather information, with your permission, from prior treatment or to collaborate with your therapist if you have one.  Dr. Deringer will work with you on a medication treatment plan, if clinically indicated, to help you manage your symptoms and achieve your treatment goals.

Dr. Ioana Horotan-Enescu is a board-certified Psychiatrist. Before joining Talkiatry, she was an Active-Duty staff psychiatrist at Blanchfield Army Community Hospital, Fort Campbell, KY. Her military service also included roles such as Medical Director of Behavioral Health and Interim Clinic Chief for Embedded Behavioral Health Clinic. She completed her internship and residency at Walter Reed National Military Medical Center and earned her Doctor of Osteopathy Degree from the University of New England College of Osteopathic Medicine. Her clinical experience spanned from the inpatient to the outpatient setting and afforded her the opportunity to develop comprehensive skills in the treatment of PTSD, mood disorders, thought disorders, addiction and perinatal mood disorders. Her teaching experience spanned multiple institutions, where she has served as a preceptor and mentor for medical students, nurse practitioner and physician assistant students. In addition to medication management, she augments her practice by implementing mindfulness, psychodynamic and supportive therapy techniques in her everyday practice to enhance treatment and improve treatment response. Dr. Horotan-Enescu holds several certifications, including in Cognitive Behavioral Health Therapy for Suicide Prevention, Motivational Interviewing and Battlefield Acupuncture. She has delivered presentations at national and international conferences on various topics, reinforcing her commitment to advancing the field of psychiatry.

Michael Huang is a psychiatric mental health nurse practitioner who takes a holistic, collaborative, and non-judgmental approach to mental health care. He graduated from Boston College with his MSN after many years of working in inpatient psychiatry at McLean Hospital in Belmont, MA, and has over a decade of experience in mental health care. He has worked in various outpatient settings, first in Boston and more recently in Las Vegas, gaining extensive experience with individuals from diverse socio-economic and cultural backgrounds.

Michael strongly believes that each person’s struggle is unique, and the solutions and treatments should be individualized based on the person’s goals. Having experienced childhood trauma himself, he is particularly passionate about and experienced in treating C-PTSD, OCD, ADHD, and borderline personality disorder. His focus is on helping others find peace, whether momentary or lasting, in their chaotic and often overwhelming lives.

The first appointment with Michael includes a comprehensive psychiatric evaluation and a discussion about your goals for treatment. While pharmacological treatment may be part of the plan, Michael prefers to focus on the therapeutic aspect of care, as he believes therapy is an essential component of healing. With Michael, you can expect to collaboratively create a treatment plan that you feel comfortable with, rather than simply being told what to do.

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Dr. Tetyana Tarnavsky is a board-certified psychiatrist trained in Adult Psychiatry. She attended Dnipropetrovsk State Medical Academy in Ukraine where she received her M.D., M.S. and Ph.D. degrees in Psychiatry. Dr. Tarnavsky completed her residency at Harvard South Shore Psychiatry Residency Training Program in MA, where she was elected chief resident. Dr. Tarnavsky has an extensive research experience in Ukraine and the USA. She had studied computer addiction for her dissertation; had multiple abstracts and presentations; published several articles in peer-reviewed psychiatric journals as well as a book entitled Computer Addiction: Formation, Diagnosis, Correction and Prophylaxis. She has helped organize international conferences with the goal of improving access to and quality of healthcare in Dnipropetrovsk, Ukraine, and providing a national model for health care reform. Dr. Tarnavsky has worked with a variety of patients with diverse backgrounds in a Community Health Center and in the Partial Hospitalization Program as well as supervised medical students, psychiatry residents, and nurse practitioners. She has been a lecturer on psychiatry at Harvard Medical School and was involved in the training of psychiatry residents in the Harvard South Shore Psychiatry Training Program. Her primary focus has been on treating adults with depression, anxiety, post traumatic stress disorder, adjustment disorder, ADHD and other disorders. Dr. Tarnavsky strives to provide quality and compassionate treatment to individuals and their families.‍

Background and credentials

Dr. Kristina Schnitzer is a board-certified psychiatrist. She earned her medical degree from the New York University School of Medicine and completed her residency in Adult Psychiatry at the Massachusetts General Hospital/McLean Adult Psychiatry Residency Program. She further specialized by completing a one-year clinical and research fellowship in Public and Community Psychiatry through Massachusetts General Hospital and the Massachusetts Department of Mental Health. In addition to her medical training, she holds a Master of Public Health (MPH) from the Harvard T.H. Chan School of Public Health. She has over three years of experience practicing psychiatry across inpatient, emergency, and outpatient settings.

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Treatment approach

Dr. Schnitzer focuses on medication management as the foundation of her treatment approach, typically combining it with supportive or emotionally focused therapy during 30-minute follow-up visits. She takes a collaborative and individualized approach to patient care and, when needed, may recommend additional therapy by integrating a therapist into the care team to ensure the best possible outcomes. She has experience treating a broad range of psychiatric disorders in various clinical settings.

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What you can expect in a first visit

Patients can expect a thorough and structured evaluation in their first visit, where Dr. Schnitzer carefully assesses their symptoms, medical history, and treatment goals. She emphasizes open communication and collaboration, ensuring that patients are fully involved in shaping their treatment plans. Follow-up visits typically last 30 minutes, during which she monitors progress, adjusts treatment as needed, and may recommend additional therapeutic support for comprehensive care.

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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. Michael Fiori is Board Certified in Adult Psychiatry and Addiction Medicine. He has practiced general psychiatry for 37 years, and has also sub-specialized in Addiction Psychiatry for the past 20 years. Dr. Fiori's practice emphasizes Diagnostic Clarification, which is an ongoing process. He is highly trained and experienced in the biological and psychosocial underpinnings of psychiatric problems. He typically follows diagnostic evaluations with 30-minute follow up visits for medication adjustments and brief therapy. Dr. Fiori often enjoys collaborating with outside therapists when needed. Dr. Fiori graduated from Amherst College and received his medical degree from NY Medical College. He subsequently completed his residency in psychiatry at the Mount Sinai Medical Center in NYC. He excelled in Academic Psychiatry as both a teacher and a mentor. His practice has always combined medications with evidence-based therapies to alleviate suffering and maximize functioning. In addition to his work as a Board Certified Adult Psychiatrist, he has specialized in helping patients suffering from Substance Use Disorders. Dr. Fiori is Board Certified in Addiction Medicine, and helps patients understand the interrelationships between their Substance Use Disorders and their Psychiatric illnesses.

Alana Ward is a board certified psychiatric mental health nurse practitioner (PMHNP). Alan has been practicing since 2018 and has experience with individuals of all ages. Prior to becoming a PMHNP, Alana worked as a registered nurse in critical care and psychiatry. As a PMHNP, she has experience working on inpatient adult and geriatric psychiatric units, as well as providing psychiatric evaluations and consultations to individuals on medical units and emergency rooms at hospitals. Alana is very experienced working in outpatient settings managing various psychiatric diagnoses. She has also helped manage individuals in long term care facilities and assisted living facilities. When Alana is not providing direct patient care, she will on occasion help with instructing future nurses at Kent State University. Alana graduated with her Master's of Science in Nursing from Kent State University, and is board certified as a Psychiatric Mental Health Nurse Practitioner through the American Nurse Credentialing Center. Alana enjoys treating a variety of mental health diagnoses including depression, anxiety, obsessive compulsive disorder, mood disorders such as bipolar disorder, and various psychotic disorders. She believes in client-centered care, where clients get a say in their treatment in order to help make them feel their best. Alana truly believes that therapy is a crucial part of successfully treating any mental health diagnosis, in combination with medication management when warranted. Alana likes to add mindfulness and cognitive behavioral therapy techniques to her medication management appointments to help individuals receive effective, quality care.

Dr. Atkins is a staff psychiatrist at Talkiatry. He is board-certified in adult psychiatry and has been in practice for the past 2 years. He has received several awards for teaching and the treatment of chronically ill patients, including Stony Brook University's "William Turner Award" for excellence in education and leadership. Dr. Atkins has focused his practice primarily on medication management. He combines medication management with a therapeutic style that is a blend of supportive therapy, cognitive behavioral therapy, and motivational interviewing. Follow‐up appointments with Dr. Atkins typically last 20‐30 minutes. While Dr. Atkins is trained in a variety of therapeutic techniques, he works collaboratively with therapists and may recommend their inclusion as part of your treatment team, depending on your individualized treatment plan .Dr. Atkins attended the University of Connecticut School of Medicine where he received his medical degree. He completed his psychiatry residency at Stony Brook University Hospital in New York. Post residency, he worked with general adult patients as well as older adults at Manchester Memorial Hospital where he served as both an outpatient psychiatrist and Director of the Geriatric Intensive Outpatient Program. Although Dr. Atkins does not treat child or adolescent patients, he has experience working with people of all ages, from young adults to adults. He has experience treating mood disorders, anxiety disorders, obsessive-compulsive disorder, patients in the perinatal period, and patients with co‐co-occurring substance use disorders. He has regularly managed behavioral problems in adults with autism spectrum disorders as well as dementia. He particularly enjoys working with patients dealing with life or role transitions, older adults, and patients with bipolar or other affective disorders.

Dr. Jane Eisen comes to Talkiatry from her previous position at McLean Hospital, in Boston, where she was Clinical Director of the Depression and Anxiety Division, overseeing the integration of clinical work, faculty development, and research in the division. Clinically, she has experience working with people with significant mood and anxiety difficulties. Dr. Eisen's practice focuses on using an integrated approach to the understanding and treatment of individuals' psychosocial stresses and psychiatric symptoms. Her sessions are usually 30 minutes. She frequently suggests including a family member or friend in at least one session to get a comprehensive sense of each person's strengths and challenges. She received her medical degree from NYU and completed her psychiatric residency at Mt. Sinai Hospital. She spent a number of years in the Brown system, as Training Director for the Brown Psychiatry Residency and as Vice-Chair of the Brown Department of Psychiatry. For several years, she served as Chair of the Department of Psychiatry at Mt. Sinai West/St. Lukes' prior to her position at McLean, as Clinical Director of the McLean Hospital Depression and Anxiety Division. She has worked primarily with outpatients with the exception of a recent period of residential work at the Pavilion at McLean Hospital. Dr. Eisen is a general psychiatrist with a focus on anxiety disorders, OCD, and mood disorders. She is interested in the impact of trauma and personality and has extensive experience working with young adults.

Dr. Daniel Azzopardi was born and raised in Malta where he attended medical school and worked in internal medicine for several years before moving to New York in 2017. He then completed a psychiatry residency at SUNY Downstate and stayed on for his Child and Adolescent Psychiatry fellowship, which he completed in June 2024. Dr. Azzopardi is a dedicated adult and child and adolescent psychiatrist who treats individuals of all ages and uses his strong foundation in internal medicine to handle complex cases requiring intricate medication management. This combination of skills allows for comprehensive care that addresses both mental and physical health challenges. Dr. Azzopardi's holistic approach ensures that each patient receives tailored treatment, fostering improved outcomes and overall well-being.

Patricia Grendell is a board-certified Psychiatric-Mental Health Nurse Practitioner who provides mental health care using a personalized, holistic approach. Patricia specializes in psychiatric evaluation and medication management along with psychotherapy and integrative interventions. Prior to receiving education and training in Nursing at New York University and Case Western Reserve University, Patricia earned a Master of Social Work from Boston College with a focus on health and mental health.  

Patricia specializes in working with adults experiencing a wide range of acute and chronic stressors and mental health symptoms. Patricia tailors' treatment to the goals, needs, and comfort level of each individual at her or his own pace. Patricia builds connections with patients so that they feel heard and understood, and partners with each individual to determine the most appropriate treatment strategies that maximize comfort, safety, and positive results.  

Over the past ten years as a Nurse Practitioner in outpatient and inpatient environments, Patricia has helped patients improve and overcome conditions including depression, anxiety, OCD, PTSD, ADHD, and insomnia. Using a combination of medication management, individual therapy, and psychoeducation, Patricia develops individualized treatment plans centered around patients’ priorities and safety to achieve improvements in health and quality of life.

Marie Thompson, PMHNP, has over a decade of experience practicing in outpatient settings. She earned her undergraduate, graduate, and post-graduate degrees from Ursuline College in Pepper Pike, Ohio. Marie is dual certified as a Family Nurse Practitioner and Psychiatric Mental Health Nurse Practitioner, allowing her to provide well-rounded, holistic care to her patients.

Marie uses a team-based approach to help patients meet their treatment goals. She is dedicated to creating a trusting, non-judgmental environment where individuals feel safe, heard, and supported. Her goal is to enhance daily functioning and improve each patient’s overall quality of life.

Marie creates individualized treatment plans to meet each patient's unique needs. She works collaboratively to develop patient-centered goals and uses a thoughtful, compassionate approach to guide treatment. Her process prioritizes open communication, shared decision-making, and long-term wellness.

Dr. Alexandra Hamlyn is a board-certified adult psychiatrist and board-certified child and adolescent psychiatrist. She completed her medical education at Cooper Medical School of Rowan University and then completed her residency in adult psychiatry at Icahn School of Medicine at Mount Sinai Beth Israel. She then went on to complete her child and adolescent psychiatry fellowship at NYU Langone and Bellevue Hospital. During this time, she also taught a course titled Love Actually at NYU School of Arts and Science. During training, Dr. Hamlyn gained extensive clinical experience in psychiatric inpatient, outpatient, and emergency settings, allowing her the opportunity to treat patients of all ages and backgrounds in numerous busy hospitals in New York City. Dr. Hamlyn's primary focus is on medication management, though she also has experience working in four different outpatient clinics where she has gained expertise in multiple different therapy modalities. If appropriate, Dr. Hamlyn will refer you for psychotherapy and collaborate with your therapist to support your care. She appreciates the importance of fostering a meaningful therapeutic relationship, and her goal is to make every patient feel welcomed in a non-judgmental treatment environment. She also takes a holistic approach as she understands that good health creates a sense of overall well-being and improved mental health. She strongly emphasizes the importance of mindfulness, self-compassion, exercise, nutrition, and interpersonal relationships throughout treatment. She looks forward to meeting and working with you.

Jill Condon is a board-certified Psychiatric Nurse Practitioner with Talkiatry. She obtained a Bachelors of Arts in Psychology from Anderson University in 2011, and went on to obtain her Masters of Science in Nursing from Vanderbilt University in 2016. She has over 8 years of experience working with clients of all ages. She has experience working in community mental health, private practice, and inpatient populations. She has experience working with a variety of mental health concerns including ADHD, anxiety, depression, OCD, and PTSD.

Jill has a passion for fostering whole person health in her clients. She has a direct and collaborative approach to care. She will work with you to discover where you are in your mental health journey and create an individual plan for moving towards healing. She helps you explore how all facets of your health are affecting your mental health.

The process starts with an in-depth initial assessment that includes looking at physical, mental, emotional, social, spiritual, and environmental wellbeing. She utilizes a variety of techniques including psychiatric medications, supportive therapy interventions, and lifestyle modifications to help you reach your goals.

Dr. Akhtar is a board-certified psychiatrist specializing in compassionate and comprehensive mental health care. She focuses on medication management for a wide range of psychiatric conditions, providing supportive therapy to help individuals navigate life's challenges and enhance their overall well-being, while emphasizing lifestyle changes and the development of coping skills. Dr. Akhtar completed her medical degree at the American University of Antigua, gaining a profound understanding of the biological, psychological, and social aspects of mental health. Following her residency at Bergen, Newbridge Medical Center, where she was appointed Chief Resident in her fourth year, she worked for several years in both inpatient and outpatient hospital settings. Committed to holistic wellness, Dr. Akhtar believes in empowering individuals to make positive changes in their lives and offers guidance on nutrition, exercise, sleep hygiene, and stress management techniques. She is dedicated to fostering a therapeutic alliance built on trust, empathy, and collaboration. Her approach is rooted in evidence-based practices and tailored to meet the unique needs of each individual under her care.