Diane Lewis, MD

Margaret Gorelick is a board-certified Psychiatric-Mental Health Nurse Practitioner (PMHNP-BC) through the ANCC. She earned her Master of Science in Nursing from Fairfield University and her Bachelor of Science in Nursing from Western Connecticut State University. With 10 years of psychiatric experience, she began her career at MedStar Georgetown University Hospital in neurology and neurosurgery, later transitioning to psychiatry at Yale New Haven Hospital and Stamford Hospital. She provides outpatient medication management and psychotherapy, including psychodynamic therapy and CBT, for adults 18+, and has led grief support groups.

Margaret practices with a nonjudgmental, respectful approach grounded in active listening and trust. She believes healing begins with understanding and is dedicated to supporting individuals through every stage of their mental health journey.

The first visit is a comprehensive psychiatric evaluation to review history, symptoms, and goals, forming a personalized plan. Follow-ups are 30 minutes and focus on monitoring medication response, adjusting treatment as needed, and providing ongoing therapeutic support to ensure safe, effective progress.

Dr. Osman Athar is board certified in General Psychiatry and board eligible in Consult-Liaison Psychiatry. He graduated with a Bachelor of Arts in English from Rice University and McGovern Medical School for his medical doctorate, and went on to complete a psychiatry residency at the University of Texas-Houston, where he served as a chief resident. Afterward, he completed a fellowship in Consult-Liaison Psychiatry at Louisiana State University - Ochsner Medical Center in New Orleans. Dr. Athar has experience in treating a wide variety of conditions, including Major Depression, OCD, Bipolar Disorder, ADHD, Eating Disorders, Anxiety Disorders, PTSD, Substance Use Disorders, Delirium, Dementia, and Mental Disorders due to Another Medical Condition. Dr. Athar primarily focuses on medication management in his practice but will typically also use supportive therapy and cognitive behavioral therapy skills with his patients in order to maximize wellness and recovery. Dr. Athar held an academic appointment at the University of Mississippi Medical Center where he was an assistant professor of psychiatry. He served as the clerkship director for the Medical Neuroscience and Behavior Course during his appointment, which required a six-week course for third-year medical students, which included four weeks of psychiatry education. During his appointment, Dr. Athar was also very active in resident education, focusing on topics related to consult-liaison psychiatry. Dr. Athar has experience in treating a wide variety of conditions, including Major Depression, OCD, Bipolar Disorder, ADHD, Eating Disorders, Anxiety Disorders, PTSD, Substance Use Disorders, Delirium, Dementia, and Mental Disorders due to Another Medical Condition. Dr. Athar primarily focuses on medication management in his practice.

Dr. TreSina E. Steger (Dr. Tre) is a licensed professional counselor (LPC) who has practiced as a mental health therapist for several years. She received a Bachelor of Science degree from Mount Olive College, in NC, a Master of Science in Psychology and Clinical Mental Health Counseling from Capella University, in MN, and a Doctorate in Education, in Higher Educational Leadership from Liberty University in VA. She has worked in business, outpatient mental health, non-profits, in private practice, and with the military. She is a National Certified Counselor (NCC), a Board Certified Tele-Mental Health Provider (BC-TMH), Certified Dialectical Behavioral Therapist (CDBT), and Certified Trauma Focused Cognitive Behavioral Therapy (C-TFCBT). Dr. Tre uses person-centered, solution-focused, DBT, CPT, CBT, motivational interviewing, mindfulness, psychodynamic, and other approaches to assist clients. She strides in aiding clients work on attachment issues, relationship problems, ADHD, self-esteem, self-worth, gender identity, boundary issues, trauma, depression, and anxiety. Dr. Tre has worked with clients from a variety of backgrounds, populations, and identities and takes pride in being a LGBTQIA+ affirming, a gender-affirming, BIOPC therapist who has worked with clients who have experienced various types of traumas. Clients will find she has a conversational tone, direct, non-judgmental approach when addressing their therapeutic goals and provides a safe space for them to do their work.

Dr. Tanvi Gupta, a native Marylander who recently finished her fellowship training in Child and Adolescent Psychiatry from the University of Maryland. She completed her residency in general psychiatry from San Antonio, Texas and is a Board Certified Psychiatrist. Prior to training, Dr. Gupta attended medical school at Touro College of Osteopathic Medicine in in New York. She also holds a master's in biomedical science from Rutgers University in New Jersey and a bachelor's in public health from the University of Maryland. She is on the Early Career Psychiatrist Committee for the Child and Adolescent Psychiatrists of Greater Washington Area. Dr. Gupta has worked in various settings, ranging from academic centers, schools, state hospitals and residential treatment centers. She also provided medication management and therapy to Medicaid patients in an outpatient setting, delivering care to children and adolescents with various mental health disorders. Dr. Gupta has experience in Emergency Psychiatry as well.

Dr. Gupta greatly values connecting with her patients. She is gentle yet direct in her approach. She uses a shared decision-making process to design a treatment plan that align with her patient’s goals. Dr. Gupta provides psycho education for diagnoses and medication recommendations. She has a special interest in ADHD and trauma. She appreciates a family-based approach.

Dr. Gupta uses a comprehensive biopsychosocial evaluation, psychotherapy and medication management to treat a variety of mood disorders, anxiety disorders, as well as ADHD. Dr. Gupta promotes non-pharmaceutical interventions, when appropriate, with patient-oriented lifestyle and behavioral modifications.

Dr. Michael Miller earned his medical degree with honors and completed his residency in Adult Psychiatry at the University of Kentucky College of Medicine. He has worked across a wide range of clinical settings, including inpatient, outpatient, community clinics, and state hospitals. Dr. Miller is also trained in multiple psychotherapy modalities, equipping him to meet diverse patient needs.

Dr. Miller values creating a safe and nonjudgmental space where patients can speak openly about their experiences and goals. He believes in a collaborative approach, working with patients to discover strategies that best suit their lives. He also takes into account lifestyle factors that may influence mental health, supporting a well-rounded and sustainable path to wellness.

Dr. Miller begins care with a comprehensive conversation about current concerns, past mental health, physical health, and life experiences. From there, he works with patients to create a personalized treatment plan—whether through therapy, medication, lifestyle adjustments, or a combination. Follow-ups focus on refining the plan to ensure it continues to support the patient’s journey.

Dr. Gaurav Chaudhari completed fellowship training in Child and Adolescent Psychiatry at Stony Brook University and psychiatry residency at Texas Tech University Health Sciences Center – Permian Basin, where he served as Chief Resident. He also holds an MPH and a Certificate in Public Mental Health Research from Johns Hopkins Bloomberg School of Public Health. With prior residency training in Community Medicine in India, Dr. Chaudhari brings experience in clinical research, public health, and systems-based approaches to psychiatric care.

Dr. Chaudhari takes a whole-person approach, considering psychological, social, cultural, and environmental factors. He emphasizes evidence-based practice and works collaboratively with patients to create individualized, realistic treatment plans. He strives to cultivate a supportive, respectful environment where patients feel heard and understood, drawing on his diverse professional and cultural background to provide culturally sensitive care.

Dr. Chaudhari begins with a thorough, unrushed evaluation to understand each patient’s history, concerns, and goals. He develops personalized treatment plans grounded in evidence-based practice, incorporating integrative approaches when appropriate. He carefully uses medication or deprescribing as needed and approaches care as an ongoing, collaborative process, adjusting strategies as goals and needs evolve.