Raul Corredor, MD

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. Marla Richard is a Stanford-trained board-certified psychiatrist and is board-eligible for geriatric psychiatry from UCSD. She has been practicing in a variety of settings for the last 30 years. Dr. Richard uses an integrated health paradigm with general and geriatric patients using traditional psychopharmacology, interpersonal neurobiology practices, and personality assessments to look at root motivations for behaviors to address core issues and with medication management as needed. Dr. Marla believes that you need to take a whole-person approach to both mental and physical health. She received her undergraduate degree from the University of Minnesota, Duluth, and then attended medical school at Stanford Medical School to complete her MD. With visions of becoming a general surgeon, she went to the University Hospitals of Cleveland and completed two years of general surgery training before seeing the light and transferring to psychiatry. She completed her psychiatry training at Stanford University and geriatric training many years later at UCSD. Her focus includes an integrated approach to the consideration of mental and physical health while incorporating mindfulness tools to teach skills of stress and anxiety management in everyday life. In conjunction with medication management, she uses interpersonal neurobiology to help clients understand triggers as well as methods to calm overactive stress responses and reactivity.

Dr. Cash attended Wright State University Boonshoft School of Medicine, where she developed a strong foundation in medicine and a passion for psychiatry. She completed her residency at Wright State University, honing her skills in understanding and treating mental health conditions.

Dr. Cash has worked in various outpatient settings, treating patients with mental health disorders including depression, anxiety, PTSD, ADHD, and mood disorders. She is board-certified in general psychiatry and addiction medicine, and believes in a holistic approach to care. Dr. Cash is committed to helping patients navigate their mental health journeys and to providing compassionate, personalized care.

Dr. Cash works closely with patients to develop treatment plans that combine medication, lifestyle changes, and psychotherapeutic strategies to address their unique needs.

MassachusettsHolly James Corrigan, RN, MSN, PMHNP, is a board-certified psychiatric nurse practitioner committed to helping people navigate their mental health with skill and heart. She earned her BSN from Russell Sage College in 2009, her MSN from Massachusetts General Hospital Institute for Health Professions in 2016, and completed Psychiatry Redefined’s Fellowship in Functional and Integrated Psychiatry in 2025. Holly keeps current by attending top conferences, like the International Trauma Conference in Boston, ensuring she’s always at the forefront of her field.

Holly’s philosophy is simple yet powerful: care should fit the person, not just the diagnosis. She’s passionate about tackling complex issues—suicide prevention, C-PTSD, chronic depression, ASD, OCD—and advocating for underserved communities. For Holly, it’s about delivering real, meaningful support to those who need it most.

Her career began as a registered nurse in neurology, pediatrics, and emergency care, before she found her calling in psychiatry. Since then, she’s provided medication management and supportive psychotherapy in outpatient clinics and worked in inpatient units serving adults and adolescents.

Holly believes in patient-centered care based on the individual, rather than focusing only on a diagnostic algorithm. The first appointment will include a comprehensive psychiatric evaluation and a discussion about what your goals of treatment are. Pharmacological and therapeutic recommendations are both important elements of the treatment plan. Follow up appointments will be more concise, but may include various therapeutic modalities, medication changes, and supportive psychotherapy.

Dr. Sabrina Lefcochilos-Fogelquist earned her bachelor’s degree from Georgetown University and her medical degree from Sidney Kimmel Medical College at Thomas Jefferson University. She completed her psychiatry residency at the Icahn School of Medicine at Mount Sinai Morningside/West in New York City. She has experience in outpatient, inpatient, and emergency psychiatry, treating a broad spectrum of mental health conditions across diverse populations.

Dr. Lefcochilos-Fogelquist values compassionate, holistic care and strives to build long-term, collaborative relationships with her patients. She is particularly drawn to the outpatient setting, where she can engage with the evolving narratives of her patients’ lives. She creates a warm, supportive environment where individuals feel safe, respected, and heard.

Her process begins with a comprehensive evaluation to understand each patient’s history, concerns, and goals. Treatment plans are individualized and may include medication management and psychotherapy. She integrates supportive, cognitive behavioral, psychodynamic, and mindfulness-based techniques to meet patients' evolving needs.

Dr. David Wait, MD is American Board of Psychiatry and Neurology certified and a fellow of the American Psychiatric Association. A skilled psychopharmacologist and psychotherapist, he has over 30 years’ experience successfully helping people overcome a diverse range of emotional, psychiatric, and addiction challenges.

David was born in Sioux Falls, South Dakota, and is a graduate of Augustana College. He obtained his MD at the USD School of Medicine. His residency was at the University of Arkansas for Medical Sciences (UAMS) in Little Rock where he was trained in both psychotherapy and biological management of psychiatric challenges.

Following residency training, Dr. Wait continued to work with UAMS and the State of Arkansas in research and program development focusing on implementing and then teaching novel strengths focused care for people with severe mental illness for the first 12 years of his career.

Later, Dr. Wait moved with his wife and three children to Coeur d'Alene, Idaho. He has since been in clinical practice and leadership roles in inpatient, outpatient, and telehealth psychiatric care settings.

Rather than focus primarily on illness or problems, Dr. Wait’s approach is to first evaluate his patients comprehensively, then utilize what’s learned from this to treat and empower them to make and then practice choices that lead to improved health and well-being, using an integrative model that recognizes that mental, physical, social, and spiritual health are one.

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