Boski Patel, MD

Alanna Montalvan is a Board-Certified Psychiatric Mental Health Nurse Practitioner (PMHNP) with over 15 years of nursing experience, including 10+ years as a PMHNP. She has supported individuals with anxiety, depression, ADHD, trauma-related disorders, bipolar disorder, and chronic mental health needs across outpatient, inpatient, and psychiatric emergency settings. Alanna holds a Master of Science in Nursing from Hunter College with a PMHNP concentration and is expanding her clinical expertise through Family Nurse Practitioner training. She values patient-centered care and multidisciplinary collaboration.

Alanna prioritizes creating a warm, non-judgmental space where patients feel heard, respected, and supported. She takes a collaborative approach, partnering with patients to identify goals, explore treatment options, and build long-term wellness strategies. Open communication, transparency, and a holistic perspective that integrates emotional and physical health guide her practice. Patients can expect thoughtful, evidence-based care that considers life stressors, identity, family dynamics, and wellness behaviors.

Alanna begins with a comprehensive assessment to understand each patient’s history, concerns, strengths, and goals. She develops individualized treatment plans, including medication management, psychotherapy-informed strategies, lifestyle recommendations, and coordination with other providers as needed. Treatment goals are regularly revisited to ensure care evolves with the patient. She emphasizes empowerment and education, helping patients feel confident and informed throughout their mental health journey.

Dr. Shari Sengupta attended the University of OK as a National Merit Scholar and went on to graduate with her MD from Eastern Virginia Medical School. She specialized in Adult Psychiatry at the University of NC Hospitals where she was a chief resident. She received psychotherapy training in insight-oriented and cognitive-behavioral approaches and trained at the Psychoanalytic Institute of the Carolinas. She has 18 years of experience providing medication management and psychotherapy in both private practice and community mental health settings and over 10 years of experience in telepsychiatry providing care to underserved communities. Dr. Sengupta has experience treating a variety of mental health concerns but has a particular interest in depression, anxiety, and mental health in the perinatal period. Her practice focuses on medication management from a holistic perspective. She believes that mental health is the cornerstone of overall well-being and that treatment is a collaborative journey toward improved health and function in life, work, and relationships. She offers culturally sensitive treatment to people from all backgrounds and sexual orientations. As a staff psychiatrist at Talkiatry, her treatment approach focuses on medication management informed by a background in psychotherapy.‍

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.‍

Dr. Andrew Miller is a board-certified psychiatrist with extensive experience treating patients across Indiana. He earned his undergraduate degree in Biology with a minor in Chemistry from Indiana University, followed by his Doctorate of Medicine and residency training in psychiatry. He went on to complete a fellowship in child and adolescent psychiatry and maintains active involvement in professional organizations, including serving as past president of the Indiana Council of Child and Adolescent Psychiatry. Outside of medicine, Dr. Miller values time with his wife and two children and enjoys sports, Lego building, and supporting Indiana athletics.

Dr. Miller believes in building a collaborative therapeutic relationship grounded in respect and open communication. He strives to create a safe, supportive environment where patients of all ages—children, adolescents, and adults—feel heard and understood. He works to balance medical expertise with patient preferences, encouraging shared decision-making and honoring each individual’s goals in treatment.

Dr. Miller begins with a thorough evaluation to gain a complete understanding of each patient’s history, strengths, and challenges. From there, he develops a personalized treatment plan that may include therapy, medication management, and integration of other supportive resources. He is committed to ongoing follow-up, adjusting care as needed, and helping patients move toward lasting improvement in their mental health and overall well-being.

Dr. Swagato Bhattacharyya has completed his residency training at Northwell and is a board certified psychiatrist. Dr. Bhattacharyya takes a holistic approach to patient care, establishing strong physician-patient relationships built on trust, respect, and communication. He primarily focuses on medication management and also provides supportive psychotherapy. Treatment sessions will be tailored to work towards a common goal to optimize one's mental well-being. Dr. Bhattacharyya graduated magna cum laude from undergraduate Binghamton University, received his medical degree from NYIT College of Osteopathic Medicine, and completed his residency in psychiatry at Northwell Mather Hospital. He has trained in various settings, including adult/adolescent psychiatric units and specialty clinics, and has experience in telepsychiatry visits. Dr. Bhattacharyya has experience in treating numerous mental conditions, including depressive disorders, bipolar disorder, anxiety disorders, ADHD and OCD. Dr. Bhattacharyya also has experience treating patients of diverse cultures, having worked in psychiatric settings in the NYC metro and Long Island area.‍

Dr. Chelsea Karson is a board-certified psychiatrist who completed her residency training at Advocate Lutheran General Hospital where she was Chief Resident of her program. Dr. Karson is passionate about patient care, believing in caring for the whole person. While completing her residency training, she led an interprofessional team to bring miniature-therapy horses to the inpatient psychiatry unit and thereby forge a relationship between the organization and all of Advocate Aurora Healthcare. Dr. Karson partnered with a mental health counselor to create a virtual therapy program of resources, the Bridge Project, to close the gap between inpatient and outpatient care that is now used throughout the Advocate Aurora network. At graduation Dr. Karson received the 2024 Advocate Lutheran General Hospital Ruggie Humanitarian Award. The Ruggie Award selects and honors a graduating resident or fellow who displays academic excellence, commitment to the education of others, professional bearing, and a concern for the patient within the light of Human Ecology. Dr. Karson attended undergraduate at Elmhurst University, a biology major with minors in chemistry and medical humanities. She went to medical school at Rosalind Franklin University and was chosen to join the Gold Humanism Honor Society for her dedication to compassionate patient care.