Matthew Hamilton, MD

Dr. Tiffany Abtahi is board certified in adult psychiatry and has been in practice for over 6 years. She completed her residency at Icahn School of Medicine, Elmhurst Hospital Center program where she served as Chief Resident in her final year. After completing her residency training, Dr Abtahi worked as a staff psychiatrist in the VA Medical Center focusing on PTSD, depression, and anxiety. Dr. Abtahi has held an academic appointment at the University of UT Southwestern medical school and has spent her professional career supervising/teaching medical students and psychiatry residents. Dr. Abtahi's practice focuses on medication management and providing psychoeducation to her patients. However, if indicated, Dr. Abtahi may believe that additional therapy is also needed and ask that you bring a therapist into your care team to provide the best outcome. Dr. Abtahi has experience treating a large variety of mental health conditions across a variety of populations. She strongly believes in tailoring treatments through a holistic and patient-centered approach based on individual and multi-faceted histories. Dr. Abtahi looks forward to working with you.

Dr. Rony Berbara is an adult outpatient psychiatrist with experience treating a wide range of mental health conditions. He earned his medical degree from the University of Massachusetts Medical School and completed his psychiatry residency at Pine Rest Christian Mental Health Services in affiliation with Michigan State University. Dr. Berbara is board-certified in psychiatry and is committed to providing thoughtful, evidence-based care.

Dr. Berbara values open communication and strives to create a supportive, respectful environment where patients feel heard and understood. He believes in a collaborative partnership, working closely with patients to define and pursue their treatment goals. His approach emphasizes the importance of both psychotherapy and psychopharmacology, while addressing the whole person.

Dr. Berbara begins by taking time to thoroughly understand each patient’s history, concerns, and goals during the initial visit. From there, he works collaboratively with patients to develop an individualized treatment plan that aligns with their needs and supports long-term progress.

Serena Mirchandani is a board-certified psychiatric nurse practitioner with extensive experience treating serious mental illnesses such as bipolar disorder and schizophrenia spectrum disorders. She also provides care for individuals with depression, anxiety, PTSD, OCD, autism spectrum disorder, and substance use disorders. Serena earned both a Master of Science in Nursing and a Doctorate in Nursing Practice in psychiatry from Columbia University. She completed a Nurse Practitioner Fellowship at Community Healthcare Network and worked at Bellevue Hospital for 2.5 years, providing care on an inpatient psychiatric unit for a diverse, underserved population.

Serena’s approach is grounded in open communication, evidence-based care, and deep respect for each patient’s lived experience. She prioritizes a collaborative, safe space where individuals feel heard, respected, and empowered. Her holistic style supports honest conversation, transparency in treatment options, and patient-centered goals.

Serena begins with a comprehensive assessment to understand each patient's full story—biological, psychological, and social. She then partners with patients to develop personalized, evidence-based treatment plans that align with their values and goals. She emphasizes education, transparency, and regular follow-up to support ongoing progress and informed decision-making.

Dr. Williams-Jules is an adult psychiatrist who focuses primarily on medication management in conjunction with supportive therapy. She completed her undergraduate training at Spelman College in Atlanta, GA, followed by her master's in public health degree at New York Medical College. She has completed medical school at American University of Antigua and finished her residency in psychiatry at the University of Texas Southwestern. Dr. Williams-Jules has a passion for treating adults with mental health disorders, especially within the perinatal population. She has a genuine interest in management of trauma, while also treating a vast array of disorders including depression, anxiety, bipolar disorder and posttraumatic stress disorder. She has worked with clients of varying cultures and demographics, and has experience with treating patients with medical comorbidities. Dr. Williams-Jules takes a delicate approach to diagnosis and management and believes in holistic care, which incorporates mindfulness and deep breathing techniques to address the mind and body connection. She tailors individualized treatment to address the specific needs of patients. Dr. Williams-Jules is a member of the American Psychiatric Association and the Dallas County Medical Society. She has presented her research at the Annual APA conference and is co-author of many published psychiatric papers.

Melissa Medina, LCSW, began her journey in mental healthcare with a Bachelor’s in Psychology followed by a Master of Social Work degree. From 2015 to 2018, she completed her clinical hours at a community mental health agency in Los Angeles, where she gained experience working with diverse populations facing complex challenges. Melissa’s therapeutic approach integrates psychodynamic, cognitive behavioral, interpersonal, strengths-based, dialectical behavioral, and EMDR modalities. She is dedicated to providing culturally sensitive, neurodivergent-friendly, person-centered care to support individuals and families navigating trauma, anxiety, depression, mood disorders, panic attacks, grief, family conflict, and life transitions.

Melissa believes therapy is both a journey and a destination. She takes an eclectic approach, tailoring interventions and communication to best fit each patient’s needs and preferences. Patients can expect an atmosphere of warmth, empathy, and collaboration. Through motivational interviewing and narrative techniques, Melissa helps individuals articulate their stories, identify strengths, and reframe challenges as opportunities for growth. She is committed to meeting patients where they are while supporting them in reaching their goals.

Melissa’s process begins with building rapport, listening to each patient’s story, and understanding their unique needs and hopes for therapy. Early sessions focus on creating a safe, supportive space while developing a treatment plan tailored to the individual. Patients can expect to gain fresh perspectives, practical coping strategies, and deeper self-awareness. Melissa’s goal is for patients to feel heard, understood, and empowered as they strengthen relationships, build resilience, and move toward a greater sense of fulfillment.

Dr. Gotsche is a board-certified adult psychiatrist who is dedicated to helping individuals navigate their mental health journey. Originally from Illinois, she completed her undergraduate studies at Illinois State University before earning her medical degree from Kansas City University. She went on to complete her psychiatry residency at the University of Oklahoma. Following residency, she worked at the Kansas City VA Medical Center where she primarily focused on outpatient mental health. Outside of her clinical work, she enjoys cooking, reading, cycling, and hiking.

Dr. Gotsche takes a holistic, integrative, and evidence-based approach to mental health care. She emphasizes the importance of building a strong therapeutic alliance and working closely with each patient to ensure treatment fits their unique needs and goals. She is experienced in treating a variety of psychiatric conditions including mood disorders, anxiety, trauma-related disorders, and ADHD. She is committed to providing comprehensive care in a supportive environment.

Dr. Gotsche will conduct a thorough evaluation to learn each patient’s medical history, current symptoms, and treatment goals. She values open communication and a collaborative approach, ensuring that patients are actively involved in the decision-making process. An individualized treatment plan will be developed which may include medication management, psychotherapy, or referrals to additional services as needed. Her goal is to provide integrated, patient-centered care that promotes long-term well-being.