Diane Papke, MD

Matthew Twomey, PMHNP, earned his BSN and MSN from the Massachusetts General Hospital Institute of Health Professions School of Nursing. He began his career as an adult psychiatric nurse practitioner in community health centers before commissioning as an officer in the U.S. Army Nurse Corps. After five years of active duty, he continued caring for service members and families at Fort Bliss as a civilian provider for nearly six years. He now practices in the private sector, bringing broad clinical experience to diverse patient populations.

Matthew is skilled in psychopharmacology, evidence-based practice, and telehealth delivery. He combines strong clinical expertise with a patient-centered approach to improve outcomes and streamline care. Patients can expect thoughtful collaboration, clear communication, and treatment planning grounded in the latest research and tailored to their individual goals.

He specializes in psychopharmacology and precise medication management tailored to each patient’s unique needs. He also integrates supportive psychotherapy, motivational interviewing, psychoeducation, and cognitive behavioral therapy. Through active listening and mutual respect, he fosters a safe, supportive environment where patients feel heard, engaged, and empowered in their care.

Sheena Mammen is a Licensed Clinical Social Worker with seven years of experience in various aspects of mental health. She earned her undergraduate degree from Nyack College and her Master's from Stony Brook, which deepened her understanding of the field. She specializes in treating clients with anxiety, depression, ADHD, interpersonal issues, and perfectionism. Sheena employs culturally sensitive and person-centered approaches to tailor treatments for each individual. Her eclectic therapeutic style is rooted in Cognitive Behavioral Therapy, Dialectical Behavioral Therapy, and Attachment Therapy. She also incorporates communication skills, mindfulness, executive functioning, and social skills training into her sessions, fostering comprehensive support for her clients.

Severine Dondina, PMHNP-BC, is a board-certified psychiatric nurse practitioner with licensure in Washington and Florida. She holds a Master of Science in Nursing from the University of Alabama at Birmingham and graduated summa cum laude with dual bachelor’s degrees in nursing and biomedical science. Her background spans outpatient, community, forensic, and crisis psychiatry, including leadership roles with Florida’s Assertive Community Treatment (FACT) and Multi-Disciplinary Forensic Teams.

Currently serving patients in Washington, Severine treats adults with ADHD, anxiety, depression, PTSD, and bipolar disorder. She brings a trauma-informed, strengths-based approach to care and is deeply committed to creating affirming spaces for LGBTQ+ and gender-diverse individuals. Her clinical style combines evidence-based medication management with warm, collaborative support.

Trilingual in English, French, and Spanish, Severine is known for her cultural sensitivity, clinical rigor, and authentic presence. She approaches each patient with curiosity, humility, and respect—believing healing begins with connection.

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Dr. Albert Fernandez is a board-certified physician who specializes in adult psychiatry. He has expertise in medication management and psychotherapy. His practice emphasizes a holistic approach to treatment and his style is empathic, insight-oriented, and flexible. He has particular interests in helping individuals struggling with depression, difficulty functioning at work or school, life transitions, bipolar spectrum disorders, ADHD, obsessive-compulsive disorders, relationship struggles, anxiety disorders, sleep disturbances, low self-esteem, and more. He received his bachelor's degree in psychology from Princeton University with a certificate in neuroscience. He earned his M.D. from Renaissance School of Medicine at Stony Brook University and completed his residency training in psychiatry at the Mount Sinai Morningside and West Hospitals. He has supervised junior residents and medical students. He also worked as a staff psychiatrist at Fordham University and published a review article on the effects of residential relocation on mental health. He is currently a Post-Doctoral Candidate in the Adult Analytic Training Program at the New York Psychoanalytic Society and Institute.

Amanda Favretto is a Licensed Mental Health Counselor who holds certificates as a Nationally Certified Counselor as well as a Certified Clinical Trauma Professional. Working with military service members and faith-based counseling are two of Amanda's passions. Amanda has worked in both inpatient and outpatient settings with individuals struggling with concerns such as low-self esteem, adjustment, anxiety, depression, PTSD, and relationship and communication issues, utilizing such treatment modalities as Cognitive Behavioral Therapy (CBT), Dialectical Behavior Therapy (DBT), EMDR, as well as others. Amanda believes in the importance of meeting each individual where they are at, focusing on all aspects of a person: heart, mind, body, and spirit. It has been Amanda's experience that focusing on each layer leads to long-lasting, deeper healing and growth. Believing that each person has it in them to heal and grow, Amanda considers it a unique privilege to assist people on that journey. At each individual's pace, striving to promote a comfortable environment, Amanda will gently encourage deeper self-reflection, mindfulness, challenging oneself, and skill-building. She would like you to feel free to reach out to set up an appointment and answer any questions you may have.

Dr. Gulati is a board-certified adult psychiatrist who has been in practice for over 10 years. She has worked in inpatient units, private practice, and community mental health, as well as served as Chief Medical Officer of a large psychiatric hospital. In 2018 she was awarded the Charleston Choice Award for Best Psychiatrist in Charleston, South Carolina. She currently resides in South Florida. Dr. Gulati's practice centers around treating the whole patient: mind, body, and spirit. She believes the judicious use of psychiatric medications, coupled with psychotherapy and alternative treatments such as meditation and yoga, can bring about transformative changes in the lives of those suffering from depression, anxiety, and other mental conditions and life issues. Dr. Gulati graduated with Honors in Psychology from The University of Florida, received her medical degree from The University of South Alabama School of Medicine, completed a clinical postdoctoral research fellowship at Boston University School of Medicine, and completed her Psychiatry residency training at The University of North Carolina. She is currently obtaining her MBA. After residency, she worked as a psychiatric hospitalist at Trident Medical Center in Charleston and has also worked in private practice. Most recently she served as Chief Medical Officer for an 80-bed psychiatric hospital, Coral Shores Behavioral Hospital in Stuart, FL. In addition to general adult psychiatry, Dr. Gulati received extensive training in one of the nation's largest women's mood disorder programs at The University of North Carolina Chapel Hill and enjoys treating peripartum and postpartum mood and anxiety disorders. She is also well trained in addiction medicine and received additional training in buprenorphine use for opioid addiction.