Allison Holt, MD

Dr. Jackie Long is an adult psychiatrist who recently completed her residency at the Institute of Living. During her training, she received extensive training caring for a diverse patient population in a variety of settings including emergency, inpatient, partial hospitalization, and outpatient settings.

Dr. Long blends clinical expertise with a holistic, thoughtful approach individually tailored to each patient’s needs. At the core of Dr. Long’s approach is a belief that healing is most effective when it is collaborative, personalized, and grounded in a strong therapeutic relationship.

Dr. Long provides medication management combined with supportive therapy. She treats a variety of patients with a focus in mood and anxiety disorders and has a clinical interest in cross cultural psychiatry.

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Dr. Lisa Oliveri is a double board-certified psychiatrist in Psychiatry and Forensic Psychiatry. She completed her undergraduate training at the University of Florida, followed by medical school at the Charles E. Schmidt College of Medicine at Florida Atlantic University. She completed both her residency in Psychiatry and fellowship in Forensic Psychiatry at the University of Miami/Jackson Memorial Hospital. Since graduating from fellowship, Dr. Oliveri has held an academic appointment at the University of Miami, teaching medical students, residents, and fellows, and serving as the Miami Veterans Healthcare System Site Director for the University of Miami Psychiatry residency and fellowship programs. Additionally, she has served as the Medical Director of the inpatient psychiatry unit and subsequently as the Assistant Chief of Psychiatry for the Miami VA Healthcare System. Dr. Oliveri has a strong interest in treating a broad range of psychiatric disorders, including depression, anxiety, posttraumatic stress disorder, and substance use disorders. She has extensive experience in treating adults with severe psychiatric illnesses in the inpatient setting. Patients looking for a psychiatrist will find that Dr. Oliveri is approachable, open-minded, and collaborative in her diagnostic interviews and treatment planning. She believes that a strong doctor-patient relationship with a thorough understanding of a patient's condition and concerns is key to effective treatment.

Dr. Vargas is an adult psychiatrist who received her medical degree from the University of Texas Health Science Center of San Antonio. She subsequently completed her psychiatry residency training at UT Health San Antonio.

Dr. Vargas has a patient-centered and thorough approach to treatment. She has experience treating a broad spectrum of mental health disorders, with particular interest in depression, anxiety, and post-traumatic stress disorder. She has also worked in clinic with severely mentally ill patients at the South Texas VA in San Antonio.

Dr. Vargas's primary focus is medication management with an emphasis on shared decision-making; however, she frequently also utilizes supportive therapy, cognitive behavioral therapy, and psychodynamic therapy principles in her approach. She may refer patients to a therapist if further support would be beneficial.

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Dr. Zeynep Altun is board-certified in Psychiatry and holds a Ph.D. in Neuroscience. Dr. Altun graduated cum laude from Istanbul University, Istanbul Medical School. She completed her residency training in Neurology and is Turkish board-certified in clinical Neurology. Subsequently, she moved to the U.S. and finished her Ph.D. in cellular Neuroscience at Cornell University Graduate School of Medical Sciences. Dr. Altun completed her psychiatry residency training at Albert Einstein College of Medicine, Department of Psychiatry and after, her clinical fellowship in Comprehensive Psychiatric Emergency Program at Columbia University Medical College, New York Presbyterian Hospital. Dr. Altun has practiced in various settings including Bellevue Hospital, New York Presbyterian Hospital, Columbia Doctors Faculty Practice Office, Mount Sinai West and Mount Sinai Morningside Hospitals. Dr. Altun has held various academic appointments at New York University School of Medicine Department of Psychiatry; New York Presbyterian Hospital-Columbia University Medical College Department of Psychiatry; New York State Psychiatric Institute and Mount Sinai School of Medicine Department of Psychiatry. She spent most of her professional career supervising and teaching medical students, psychiatry residents and nurse practitioners. As an adult psychiatrist, Dr. Altun has extensive theoretical knowledge of the nervous system and its disorders and more than 10 years of experience in treating various mental illnesses including mood disorders, anxiety disorders, psychotic disorders, autism-spectrum and neuropsychiatric disorders, psychiatric emergencies and crisis management as well as cognitive behavioral and supportive psychotherapy. In Columbia Doctors, she collaborated closely with the Lieber Recovery Clinic, treating young adults with various mental illnesses. The philosophy of her practice is to collaborate with patients and work together with them so that they can lead symptom-free, productive, and stable lives.

Dr. Chuck Stanfa is a board-certified psychiatrist who genuinely enjoys helping people.  He has practiced in a wide range of settings, including both outpatient and inpatient during the past 10 years.  He studied medicine at the University of Medicine and Dentistry of New Jersey.  He completed his psychiatry residency training at Drexel University College of Medicine in Philadelphia.  He went on to complete a Community Psychiatry Fellowship at the University of Pennsylvania and has continued to serve the greater Philadelphia area.  

Dr. Stanfa tries to take a person-centered approach to psychiatry.  He spends time getting to know each person and is easy to talk to.  He takes a collaborative approach to medication management and provides supportive therapy.  He believes that the relationship is one of the most important aspects of treatment.  He is open to working with most diagnoses including Mood Disorders, Anxiety Disorders, PTSD, ADHD, Personality Disorders, and others.  He will work with each person to develop a treatment plan that works for them.

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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.