Sujith Maracheril, MD

Dr. Jacqueline Lewandowski is a board-certified physician specializing in adult psychiatry. She obtained her undergraduate degree from New York University where she studied psychology and child/adolescent mental health. Dr. Lewandowski received her medical degree from St. George's University in Grenada, before moving back to New York to complete her residency at Morningside and West Mount Sinai Hospitals. Since completion of training, Dr. Lewandowski has practiced and held teaching positions in both the Comprehensive Psychiatric Emergency Department of Harlem Hospital and the inpatient units and psychiatric emergency rooms of Morningside and West Hospitals. Dr. Lewandowski has a wide range of experience treating a diverse spectrum of psychiatric diagnoses and populations. She strongly believes in tailoring treatments through a holistic and patient-centered lens based on individual and multi-faceted histories. During 30-minute monthly sessions, Dr. Lewandowski focuses on collaborating with patients using evidence-based treatments with an emphasis on medication management in conjunction with supportive therapy. Additionally, she may recommend bringing a therapist into your care team to help facilitate a more comprehensive treatment plan. Dr. Lewandowski looks forward to working with you to help achieve and optimize your wellness and improve your quality of life.

Dr. Mattern is board certified in Adult psychiatry. Her approach to mental health is integrative, with the utilization of complementary and alternative treatments such as yoga, lifestyle changes, and nutritional interventions in addition to traditional medication management and therapy. Dr. Mattern prefers to focus on the overall health and well-being of an individual, rather than just treating symptoms.

Dr. Mattern’s practice focuses on medication management along with elements of therapy from different modalities, such as supportive and cognitive behavioral therapy that are patient-tailored.  Dr. Mattern understands the importance of psychotherapy and may ask to bring in a therapist into your treatment team to provide the best care and outcome. Her clinical interests include depression, bipolar disorder, anxiety disorders, post-traumatic stress disorder, panic disorder, OCD, and ADHD.

After completing her undergraduate degree in Biology at Ohio Northern University, Dr. Mattern received her medical degree from Ohio University Heritage College of Osteopathic Medicine. She went on to complete her residency in psychiatry at The Ohio State University Medical Center.  She also completed yoga teacher training and presented nationally at the APA in 2019 regarding the benefits of yoga for depression.  Dr. Mattern is a member of the American Psychiatric Association, Ohio Psychiatric Physician’s Association, and Psychiatry Society of Central Ohio.

Dr. Mattern is board certified in Adult psychiatry.  Her approach to mental health is integrative, with utilization of complementary and alternative treatments such as yoga, lifestyle changes, and nutritional interventions in addition to traditional medication management and therapy. Dr. Mattern prefers to focus on the overall health and well-being of an individual, rather than just treating symptoms.  Dr. Mattern’s practice focuses on medication management along with elements of therapy.

Dr. Stuart Hedgpeth is a board-certified psychiatrist. While Dr. Hedgpeth primarily focuses on medication management, he understands that mental health often requires approaches from multiple perspectives. Psychodynamic and supportive therapies are offered on an as-needed basis in addition to medication management. New patients are provided 60 minutes for initial visits, and follow-ups are given 30 minutes. Dr. Hedgpeth graduated from the University of North Carolina School of Medicine in Chapel Hill, NC. He completed his adult psychiatry residency training at Virginia Commonwealth University Health System in Richmond, VA. Dr. Hedgpeth's training has positioned him to care for adults of all ages with a wide spectrum of mental health disorders and related conditions. In his residency he sought out additional experience working with patients undergoing treatment for HIV, patients with trauma-related disorders, and the LGBTQ+ population.

Dr. Matthew Richter has experience practicing in outpatient and inpatient settings, as well as with military and confinement populations. He earned his medical degree from the Uniformed Services University of the Health Sciences and completed a psychiatry residency at Walter Reed National Military Medical Center, followed by a forensic psychiatry fellowship at the National Capital Consortium.

Dr. Richter fosters a safe, non-judgmental space where patients can explore their feelings and experiences freely, met with unconditional positive regard. He prioritizes active listening and deep empathy, ensuring each patient feels heard, understood, and valued as a unique individual throughout their treatment journey.

Initial sessions focus on a collaborative exploration of a patient’s history, current challenges, and core values, forming the foundation for a personalized treatment plan. Dr. Richter emphasizes shared decision-making, integrating therapeutic modalities—including medication when appropriate—while honoring patient autonomy and aligning with their vision for well-being.

Dr. Alexandra Dunn is a board-certified adult psychiatrist who completed her medical training at the University of California Irvine School of Medicine. She then moved to New York to complete her psychiatric residency training at Mount Sinai Beth Israel. During training, Dr. Dunn gained extensive clinical experience in psychiatric inpatient, outpatient, and emergency settings, allowing her the opportunity to treat patients of all ages and backgrounds. In addition, she co-led a mindfulness group at the outpatient clinic, worked with students at Baruch College, and rotated with the Assertive Community Treatment team at MSBI. Ultimately, Dr. Dunn chose outpatient care, focusing on treating patients with mood and anxiety disorders. While her practice primarily emphasizes medication management, she also incorporates supportive and cognitive behavioral therapy techniques in her sessions with patients. If appropriate, Dr. Dunn will refer you for psychotherapy and collaborate with your therapist to support your care. She looks forward to meeting and working with you to help you feel better.

Dr. Cabrera is a board‐certified psychiatrist with several years of experience working with an ethnically and culturally diverse population in outpatient, inpatient, and psychiatric emergency room settings. Most recently, Dr. Cabrera practiced privately treating adults with a wide range of mental illnesses both in person and via telepsychiatry. Prior to this, she was an attending psychiatrist in the outpatient department and in the Comprehensive Psychiatric Evaluation Center at Mount Sinai Beth Israel where she also served as Associate Training Director of Psychiatric Residency Training. Dr. Cabrera has a strong background in psychopharmacology and supportive and psychodynamic psychotherapy.