Daniel Weiss, MD

Dr. Michael Gravenstein earned his medical degree from the University of Florida College of Medicine, where he also completed his psychiatry residency. During training, he was recognized with multiple awards, including the Malcom Randall VA Resident of the Year Award, the Ross A. McElroy Psychotherapy Award, and the John “J.D.” Dorian Award for best sense of humor. He has worked across outpatient, inpatient, and consult liaison settings, and has experience treating a wide range of conditions including depression, anxiety, ADHD, OCD, personality disorders, and transitional age concerns. He also has expertise working with LGBTQIA+ patients and provides psychodynamic, CBT, and supportive therapies.

Dr. Gravenstein believes in a comprehensive approach to treatment that integrates medications, therapy, and lifestyle interventions. While medications can be very effective, he views them as just one part of a broader treatment plan tailored to each patient’s needs. He emphasizes individualized care and sees treatment as a team effort, meeting patients where they are and progressing at a pace they feel ready for.

Dr. Gravenstein strives to create a warm, collaborative environment that fosters open communication and genuine connection. He may challenge patients therapeutically but always with careful attention to their readiness and comfort. His goal is to build trust so that meaningful conversations and progress can occur. For him, success is always shared—when patients succeed, they succeed together; when challenges arise, they regroup and move forward together.

Dr. Iris Guerrero Urena is double board-certified in psychiatry and consultation-liaison psychiatry. She received her medical degree from Universidad Iberoamericana in the Dominican Republic and went on to complete psychiatric residency at Lincoln Hospital in New York City. Dr. Guerrero then completed a consultation liaison fellowship at Morningside and West Mount Sinai Hospital in New York, further acquiring proficiency in caring for patients with complex medical and psychiatric comorbidities. After completing training, Dr. Guerrero worked in an acute inpatient unit and as a psychiatric consultant for patients admitted to medical units in Oregon. Dr. Guerrero Urena focuses on medication management while also implementing elements of supportive, dialectical behavioral, and cognitive behavioral therapy within each session to fully address individual needs. At times, Dr. Guerrero Urena may recommend a therapist for additional therapy. Dr. Guerrero Urena is experienced in treating a wide range of psychiatric conditions including depression, bipolar disorder, anxiety, PTSD, OCD.

Dr. Pipalia is board-certified in both adult psychiatry and internal medicine. Since graduation from residency, he gained specialized experience in treating veterans with terminal illness, specifically Amyotrophic Lateral Sclerosis (aka Lou Gehrig's Disease), at the VA Medical Center in Portland, OR. He combines both psychotherapy and medication treatment to provide holistic care that addresses not only your mental health but also the parts of your life that surround and are deeply intertwined with your mental health. When more intensive psychotherapy is warranted, he collaborates with an experienced psychotherapist to serve you better. With his experience of internal medicine, he is also comfortable with navigating complex medical issues that may interact with your mental health. Dr. Pipalia is a graduate of St. George's University School of Medicine. He completed a combined Psychiatry & Internal Medicine residency training program at East Carolina University. He went on to complete a fellowship in Clinical Informatics at Oregon Health & Science University, learning how to use modern digital technologies and patient data to improve patient care. His academic activities include a presentation he has given multiple times on Illness Identity, teaching other clinicians how having an illness can change how we perceive our place in the world and how to help patients manage their relationship with illness.

Dr. Thomas O’Brien holds a Bachelor of Science degree from the University of Wisconsin–Madison and earned his medical degree from Midwestern University Chicago College of Osteopathic Medicine. He completed his psychiatry residency at Loyola University Medical Center. Dr. O’Brien has experience practicing across outpatient, PHP, IOP, and inpatient settings.

He strives to create a supportive environment where patients feel heard, respected, and understood. His approach emphasizes a holistic, whole-person method to healing, guided by the patient’s own goals and values. Dr. O’Brien integrates psychotherapy with medication management, drawing on his background in psychodynamic psychopharmacology and acceptance and commitment therapy.

Dr. O’Brien focuses on understanding each patient as a whole to create individualized treatment plans. This begins with a comprehensive history during the initial session to identify biopsychosocial factors. Treatment is then tailored to align with the patient’s unique goals and values, promoting meaningful progress.

Dr. Jessica Healey is a board-certified adult psychiatrist. She obtained her medical degree from Cooper Medical School of Rowan University and completed her residency training in psychiatry at the University of Miami Miller School of Medicine and Jackson Memorial Hospital. During her training, Dr. Healey gained extensive experience providing psychiatric care to various patient populations in multiple patient care settings, including in the outpatient clinic, inpatient unit, and emergency department. Following her training, Dr. Healey worked as an outpatient psychiatrist for the Veterans Health Administration. During her tenure with the VA, she worked closely with staff psychologists, social workers and nurses to provide multidisciplinary, collaborative care to the veteran population suffering from a variety of mental health conditions.

Dr. Healey has experience and interest in treating adults suffering from trauma-related disorders and anxiety disorders but provides treatment for a variety of psychiatric conditions including depression, bipolar disorder, and obsessive-compulsive disorder.

Dr. Healey focuses on medication management and supportive psychotherapy, but has training in utilizing various therapy modalities, including cognitive behavioral therapy, interpersonal therapy, and psychodynamic psychotherapy. When appropriate, Dr. Healey will refer for more extensive psychotherapy and/or collaborate with your established psychotherapist for comprehensive care.

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Dr. Amara (She/Her) is an American Board of Psychiatry and Neurology certified psychiatrist. She earned her bachelor's degree in psychology and arts from the University of Albany. She then graduated from St. Matthews University's School of Medicine in the Grand Cayman Islands. After completing her residency at LSUHSC-Ochsner program in 2016, she worked at Ochsner Medical Center, New Orleans for 7 years. Her roles there included working with patients in the field of Consultation Liaison psychiatry. In addition, she was the medical director of the behavioral medical unit (IOP) and the lead of the transcranial magnetic stimulation clinic. Dr. Amara has been very involved in academics and won the Faculty Member of the year, Adult Psychiatry Program, LSU-Ochsner 2021, Teaching Excellence Award in Psychiatry University of Queensland 2019 and Roger Hatchette Award of Excellence in Emergency Psychiatry 2016. She then served in her community at Crescent Care FQHC clinic in 2023. Her interests include providing care for various behavioral health concerns, including Adjustment disorder, Mood disorders, including Treatment resistant depression, Anxiety disorders, PTSD, Neurodegenerative illnesses, Somatic disorders, Gender Dysphoria, and LGBTQIA2S+ community inclusive care. Dr. Amara's practice is focused on the functionality of a person in their life, including relationships, career, physical wellness and living a robust life. She provides primarily medication management but also includes Supportive therapy, Action Oriented therapy, Cognitive Behavioral Therapy, and Motivational interviewing when appropriate. Her style is very approachable, inclusive and always grounded in humanistic values.**THIS PROVIDER CANNOT PRESCRIBE CONTROLLED SUBSTANCES FOR LOUISIANA PATIENTS**