Shelley Sellinger, MD

Dr. Dodd, a Board-Certified psychiatrist, graduated from the University of Georgia Honors Program with a B.S. in Chemistry, and earned her M.D. from the Medical College of Georgia. During her psychiatry residency in Greenville, SC, she was chief resident and gained extensive experience through moonlighting. She joined the faculty of Gateway’s Savannah residency program in 2021, where she served as Assistant Program Director, and continues to teach residents and students as an Assistant Professor at Mercer University and the Medical College of Georgia. In her community psychiatry practice, she specialized in Assertive Community Treatment, worked with First Episode Psychosis programs, a forensic Diversion-Reentry clinic, telehealth, and outpatient psychiatry, particularly serving graduate students, professionals, and their families in the Savannah area.

Dr. Dodd fosters a comfortable environment for patients at any stage of treatment. As a passionate educator, she enjoys providing psychoeducation and supportive therapy to help patients understand themselves, their relationships, and their motivations.

Dr. Dodd tailors treatment to each individual’s goals, preferences, and strengths. She uses her expertise in diagnosis and pharmacology to optimize care, monitor treatment success, and maintain progress, with the ultimate goal of helping patients feel and function at their best.

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Margaret Mary Reyes, MSN, APRN, PMHNP-BC, is a board-certified Psychiatric Mental Health Nurse Practitioner committed to delivering patient-centered and compassionate mental health care. A proud Florida native, she earned her Bachelor of Science in Nursing (BSN), Master of Science in Nursing (MSN), and post-master’s certification in Psychiatric Mental Health Nursing from Florida Atlantic University (FAU). Her academic research focused on improving outcomes for women living with Premenstrual Dysphoric Disorder (PMDD).

Margaret has advanced practice experience in both inpatient and outpatient psychiatric settings. She has treated individuals with a wide range of mental health conditions, including psychotic disorders, bipolar spectrum disorders, depressive and anxiety disorders, trauma-related disorders, attention deficit disorders, personality disorders, substance use and co-occurring disorders, eating disorders, suicidality, homelessness, and severe mental illness (SMI) within the criminal justice system. Her clinical background also includes acute care experience in oncology, medical-surgical, telemetry/cardiac step-down, intensive care, nursing research, and consultation-liaison psychiatry.

She takes an integrative and comprehensive approach to mental health care, combining medication management with evidence-based complementary and alternative interventions. Her practice is grounded in the understanding of the mind-body-spirit connection and the gut-brain axis. Margaret incorporates supportive therapy, motivational interviewing, and mindfulness-based cognitive techniques to support her patients’ overall well-being.

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Dr. Kim Brownell, MD, has extensive experience in both outpatient and inpatient settings. While on active duty, she practiced across the country in diverse rural and urban environments. Most recently, she spent eight years working with veterans in the VA healthcare system. She earned her medical degree from the Uniformed Services University of the Health Sciences, completed a Pediatrics Residency at Johns Hopkins Hospital, and later trained in Adult and Child Psychiatry at The Institute of Living, Hartford, CT.

Dr. Brownell values open communication and works with patients to set clear, achievable treatment goals. She fosters a warm, supportive environment where patients feel heard and respected. Her approach combines psychiatric medication management with supportive psychotherapy, elements of DBT, stress management techniques, and cross-cultural wisdom to meet patients where they are and collaboratively optimize wellness.

Dr. Brownell begins with a thorough one-hour evaluation to discuss current symptoms, treatment history, medical background, and personal goals. She listens carefully to each patient’s story to design an individualized plan that aligns with their objectives. Rooted in compassion and collaboration, she integrates her clinical expertise and life experience—including working with veterans and underserved populations—to identify strengths and guide patients on their mental health journey.

Robynn Cavaliere, PMHNP-BC, is a nationally board-certified Psychiatric Mental Health Nurse Practitioner. She earned her nursing practice degree from the University of San Diego (USD). Her passion for helping others began at the age of 16 when she became an EMT and volunteered with a local emergency unit. Inspired by a strong belief in service to country and a desire to follow in her brothers’ footsteps, she proudly served in the United States Marine Corps.

Robynn’s nursing journey began over two decades ago, driven by a deep calling to care for others. She started her career as an LVN on medical/surgical/telemetry floors, advanced to an RN in the emergency room, and eventually became a psychiatric nurse practitioner.

Her extensive nursing experience spans a wide range of clinical settings and patient populations, shaping her approach to interviewing, assessment, and intervention. Robynn applies the Biopsychosocial Model in every patient encounter, believing that a comprehensive understanding of the whole person leads to more effective treatment recommendations, improved outcomes, and better prognoses.

She is deeply committed to making a positive impact in her patients’ lives and giving back to the nursing profession. Robynn precepts student nurse practitioners in her practice and serves as a Clinical Assistant Professor at USD, where she helps educate the next generation of healthcare providers.

Robynn emphasizes the importance of comprehensive assessments, active listening, and building therapeutic alliances that foster trust and create a safe space for patients to share their thoughts and concerns. She collaborates closely with patients to ensure they feel heard, encourages active participation in their treatment, and provides education to enhance insight and promote behavioral change. Her approach includes supportive psychotherapy and incorporates techniques from Cognitive Behavioral Therapy (CBT), Interpersonal Therapy, Reality Therapy, and Solution-Focused Therapy during medication management visits.

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Dr. Heath Foreman is double board-certified in General Psychiatry and Child and Adolescent Psychiatry. He is a Texas native and received his Bachelor of Science in Medical Technology from UTSouthwestern Medical Center in Dallas. His medical degree was earned at the University of North Texas Health Science Center - Texas College of Osteopathic Medicine in Fort Worth. He completed residency and fellowship training at Baylor Scott & White - Texas A&M in Temple and has been practicing since 2015. He served as Medical Director for a community mental health system for 10 years and has experience working with patients who have ADHD, Autism, Intellectual Developmental, Anxiety, Mood and Traumatic Stress Disorders and Psychosis.

Dr. Foreman uses a professional yet conversational style so that patients may feel at ease while developing a comprehensive understanding of the issues at hand. He prefers an educational approach so that patients can gain the knowledge and tools required to achieve improvement.

Dr. Foreman will perform a broad evaluation and work with his patients to create an evidence-based, personalized treatment plan. Subsequent meetings will incorporate medication management as well as psychotherapeutics based on Cognitive Behavioral, Trauma Based and Psychodynamic techniques. He will provide referrals for traditional counseling or testing when appropriate.

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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.‍