Matthew Hamilton, MD

Dr. Rachel Sherhart is a board-certified adult psychiatrist who has been in practice for over 4 years. She specializes in medication management with 30-minute follow-up visits. This may be accompanied by elements of supportive therapy, Acceptance and Commitment Therapy (ACT), Dialectical Behavior Therapy (DBT), and psychodynamic therapy. If more in-depth work is needed, she may refer patients to a collaborating psychotherapist. ‍Dr. Sherhart received her medical degree from Texas A&M Health Science Center and completed her psychiatry residency training at the University of Texas Southwestern in Dallas, Texas. She has served as faculty at Texas A&M University College of Medicine, providing education and supervision for psychiatry residents and medical students. ‍She has experience treating adult patients from many walks of life with a broad range of diagnoses, including depression, anxiety, bipolar disorder, ADHD, and trauma-related disorders. Dr. Sherhart has a passion for providing excellent patient care and education. Her goal is for patients to feel heard and find a safe place to discuss their concerns. She is motivated to work collaboratively with patients to find a solution that best fits their treatment goals and improves their overall quality of life.‍

Dr. Walter Piddoubny is a double boarded psychiatrist in Adult Psychiatry and Consultation Liaison Psychiatry. He completed his undergraduate degree at Stony Brook University followed by his medical degree at SUNY Buffalo School of Medicine and Biomedical Sciences. He completed his Psychiatry Residency at Stony Brook University Hospital followed by his fellowship in Consultation Liaison Psychiatry at Yale New Haven Hospital. Dr. Piddoubny has held academic appointment at Stony Brook University Hospital practicing as a consultant psychiatrist as well as Associate Program Director of the Psychiatry Residency Program. He has been actively involved in teaching and was awarded "Teacher of the Year" in 2018 by the psychiatry residents. Dr. Piddoubny's practice focuses on medication management. Typically, he offers this in conjunction with supportive or emotionally focused therapy during 30-minute follow-up visits. Occasionally, Dr. Piddoubny may believe that additional therapy is warranted and ask that you bring a therapist into your care team in order to provide the best possible outcome.‍

Dr. Orejarena is board certified by the American Board of Psychiatry and Neurology. She finished her residency from Yale University and the University of Texas Houston. She has done extensive research on psychiatry during her PhD in Neuropsychopharmacology and a Master's in Neuroscience. She is bilingual in Spanish and English. She incorporates different therapy modalities and evidence-based treatments, tailored to each person's needs. She enjoys applying her knowledge in neuroscience and pharmacology into her clinical practice and believes a combination of medication and psychotherapy yields the best treatment outcomes.

Her ultimate goal is to help patients feel their best and accomplish their own goals by developing tools to navigate internal or external obstacles that are part of life. Dr. Orejarena is originally from Colombia, where she earned her medical degree from Universidad Industrial de Santander. She pursued a Master's in Neuroscience at the University of Barcelona and a PhD in Neuropharmacology at the Universidad Pompeu Fabra in Barcelona, Spain. Her PhD thesis was honored summa cum laude.

She completed a postdoctoral fellowship training at the Institut de Neurobiologie de la Mediterranee in Marseille, France. She is the author of multiple peer-reviewed publications and has presented her research at national and international meetings. Over the years, she has worked in a variety of settings including outpatient clinics, acute care, psychiatric hospitals as an Assistant Professor of Psychiatry at the University of Texas Health Sciences Center.‍‍

Virginia Hogan, PMHNP, is a dedicated psychiatric mental health nurse practitioner with experience in both inpatient and outpatient psychiatric care. She began her career in general surgery and primary care before pursuing her passion for mental health. Virginia earned a bachelor’s degree in Biology, a BSN in Nursing, and a Master of Science in Nursing from Northern Kentucky University. She is board-certified through the ANCC as a Psychiatric Mental Health Nurse Practitioner.

Virginia is deeply committed to patient-centered care, always taking into account and respecting each individual’s unique needs and experiences. She emphasizes patient strengths when setting treatment goals and fosters a supportive, empathetic environment. Patients can expect someone who listens attentively, values collaboration, and works to build a positive and mutually respectful therapeutic relationship.

During the initial session, Virginia encourages patients to share their stories in order to gain a full understanding of their history, concerns, and goals. Together, she and her patients develop individualized treatment plans that align with those goals. Follow-up appointments are designed to track progress, celebrate growth, and make thoughtful adjustments as needed.

Dr. Mendez-Maldonado is double board-certified in general psychiatry and geriatric psychiatry. She received her medical degree from the University of Puerto Rico School of Medicine. She then moved to New York to complete her residency training at Mount Sinai Beth Israel where she stayed to complete her fellowship in geriatric psychiatry. After her fellowship, she proceeded to work at Woodhull Hospital where she worked as an attending before becoming unit chief and running their Special Pathogens Unit during the COVID-19 pandemic. She focuses on medication management and offers this in conjunction with supportive therapy, cognitive-behavioral techniques, a focus on nutritional psychiatry, and 30-minute follow-up visits. Dr. Mendez-Maldonado focuses on integrating nutrition, physical activity, and mindfulness techniques alongside pharmacotherapy to achieve a well-rounded approach to mental health.‍

Dr. Ellis is a graduate of Robert Wood Johnson Medical School in Piscataway, NJ. He completed his psychiatric residency at Cooper Hospital/University Medical Center in Camden, NJ, where he served as Chief Resident his senior year. Dr. Ellis has served as Assistant Medical Director of the community mental health center of Gloucester County for 28 years, providing care to a diverse population. Additionally, Dr. Ellis maintained a private practice for 15 years, treating individuals and their families with ongoing collaboration with therapists and other health care providers