Maralys Colon Betancourt, MD

Dr. Alicia Garcete is a board-certified child, adolescent, and adult psychiatrist in practice for over 12 years. Her practice focuses on medication management, recognizing  family involvement is extremely important and is an integral part of treatment. Dr Garcete has treated a wide variety of patients. Her primary focus is treating depression, anxiety disorders, ADHD, PTSD and OCD. Additionally, she can provide supportive therapy and elements of cognitive-behavioral therapy but on occasions more therapy support may be needed, and the recommendation to bring a psychotherapist on the care team may occur to provide an optimal outcome. Dr. Garcete is bilingual and provides care in both Spanish and English.

Prior to Talkiatry, Dr Garcete treated children, adolescents, and adults was at the intensive outpatient and partial hospitalization levels of care with focus on behavioral approaches in the Depression recovery and Anxiety/OCD programs.

Dr. Garcete earned her Medical Degree from the Universidad Nacional de Asuncion, Facultad de Ciencias Medicas in Paraguay. She completed her general psychiatrist residency at Maimonides Medical Center in New York. She was also a Fellow in Psychoanalysis at the Psychoanalytic Institute, Affiliate to New York University School of Medicine, and completed her child and adolescent psychiatrist fellowship at Elmhurst Hospital Center, affiliate to Mount Sinai Hospital. Dr. Garcete also held a clinical assistant professor appointment from the department of psychiatry at SUNY Downstate Medical Center.

Dr. Caitlin Gardiner is a board-certified psychiatrist specializing in child and adolescent psychiatry and psychotherapy. Dr. Caitlin Gardiner's practice is based on the biopsychosocial model and believes that the foundation of healing is in psychotherapy and human connection. She is known for incorporating therapy into her medication management practice. Typically she offers 30-minute follow-up visits for medication management with focused therapy based on individual needs. As a known helper, Dr. Gardiner started her career with a bachelor's degree in social work from Cazenovia College in Cazenovia, NY. After changing career paths, she received her medical degree from SUNY Upstate Medical University in Syracuse, NY. She stayed upstate to complete her general psychiatry residency, where she was chief resident at the beginning of the COVID-19 pandemic. Following this, she completed her child and adolescent psychiatry fellowship at Upstate due to the high quality of training. Dr. Gardiner has completed 3 years of advanced training in Dynamic Deconstructive Psychotherapy as well as specialized training in DBT. Dr. Gardiner is a well-rounded psychiatrist who enjoys treating youth and young adults during transitional phases of life while providing a safe and supportive environment. She believes strongly in reducing polypharmacy and providing high-quality medication management through a therapeutic and developmental lens.

Dr. Tim Kelly is a board-certified psychiatrist who specializes in adult psychiatry. His practice focuses primarily on medication management but often incorporates aspects of supportive, psychodynamic, and cognitive behavioral therapies into his 30-minute follow-up visits. Dr. Kelly also strongly believes in working in conjunction with therapists to achieve the best possible outcomes for his patients. He feels it is important to create strong therapeutic relationships with his patients in order to help patients achieve their treatment goals. Dr. Kelly received his undergraduate degrees in Human Biology and Spanish from Michigan State University. He then completed his medical education and a master's degree in medical humanities and bioethics at Northwestern University. He completed his adult psychiatry residency at the University of Washington. He has authored papers in medical education and LGBTQ advocacy. Dr. Kelly now lives in Pennsylvania with his husband, Kevin, and three dogs: Taquito, Fergie and Mimi. While Dr. Kelly treats adults of all backgrounds, he has a particular interest in working with young adults, students, and LGBTQ individuals.‍

Dr. John Weller, MD, is a psychiatrist with a strong foundation in science and clinical care. He earned his undergraduate degree in molecular genetics from the University of Vermont and conducted neuroscience research in both academic and industry settings. A graduate of St. George’s University School of Medicine, he completed his psychiatry residency at Mather Hospital, Northwell Health, where he was honored as Resident of the Year in 2025 and inducted into the Alpha Omega Alpha Honor Medical Society.

Dr. Weller is committed to providing compassionate, evidence-based care that considers the full spectrum of biological, psychological, and social factors. He builds therapeutic relationships on empathy, respect, and trust. By tailoring treatment plans to each patient’s personal and cultural context, he helps individuals take control of their mental health and work toward long-term recovery and resilience.

In the first session, Dr. Weller takes time to listen carefully and gather a thorough understanding of each patient's concerns, history, and current functioning. He uses empathy and active listening to foster open communication and develop personalized treatment plans that may include therapy, medication, or lifestyle changes, with the goal of restoring wellness and stability.

Dr. Thistlethwaite is a board eligible adult psychiatrist and internal medicine physician. He completed his medical education at West Virginia University School of Medicine. Following completion of medical school, Dr. Thistlethwaite completed residency training at WVU/Charleston Area Medical Center with a dual specialization in internal medicine and psychiatry. Dr. Thistlethwaite's training included treatment of patients both in the inpatient and outpatient setting as well as management of patients with comorbid medical conditions. During his training Dr. Thistlethwaite became passionate about approaching patients in a holistic manner that addressed both their physical and mental health. He is especially passionate about ensuring that patients with mental health disorders are provided with appropriate general medical care as they are a marginalized and underserved group. Dr. Thistlethwaite's practice focuses on medication management for a wide array of conditions including depression, anxiety disorders, bipolar disorder, obsessive compulsive disorder, tic disorder/Tourette's, and post traumatic stress disorder. Dr. Thistlethwaite incorporates supportive psychotherapy, cognitive behavioral therapy interventions, and some psychodynamic therapy skills in his practice as well. Dr. Thistlethwaite believes in a collaborative and holistic approach to mental healthcare that incorporates the patient as well as all members of the healthcare team in every aspect of care.

Anthony Capozzi, MD, is a board-certified psychiatrist with 35 years’ experience in clinical psychiatric practice who has seen patients both in the hospital setting and out-patient care. He is a Diplomate of the American Board of Psychiatry and Neurology as well as the National Board of Physicians and Surgeons and the American Association of Psychiatric Medicine. Originally from Brooklyn, New York and received his MD from New York University after completing a 5th pathway at Booth Memorial Hospital in Queens, New York. He began his experience seeing patients with treatment refractory major psychiatric illnesses at Rockland Psychiatric Center in Rockland County, New York. He served on the psychopharmacology committee at the time. He then went on to practice outpatient psychiatry both at Rockland County Community Mental Health and Westchester County Mental Health for over 20 years in addition to having a private practice while living in New York.  He held the position as Associate Director of the division in Westchester County for over 18 years. He has been exposed to all levels of psychiatric care since it was a mixture of patients in the community as well as patients with limited income and dual diagnoses including substance abuse. His approach is to get to know his patients well in order to provide more comprehensive care. He prefers Cognitive Behavioral therapy or Rational Emotive therapy, which he feels is the most time effective and enduring therapy to help patients needs. He also has extensive experience having worked with patients with developmental disabilities, since this is an underserved need. He then went on to work in Florida both for Florida Health Care Plans, which is an HMO, and in private practice for the past 13 years.  He worked at the Counseling Center of New Smyrna Beach, providing comprehensive care. He then helped establish the Center for Behavioral Medicine in Port Orange, Florida, which provided care as part of a multidisciplinary practice. He then went on to establish Advanced TMS in Port Orange, Florida. He is interested in treatment-resistant Depression and Anxiety Disorders. He went on to work for Greenbrook TMS in the greater Orlando area practicing Interventional Psychiatry. He is certified in TMS for brain mapping with Neurostar and Cloud TMS and has experience in the use of intranasal ketamine for treatment resistant depression. He has been a member of the Neuroscience Education Institute since 2012, where he holds a certificate as a Master Psychopharmacologist and a member of the Clinical TMS Society. He has active medical licenses in Florida, Arizona and New York. He is also certified in Medical Marijuana and has completed the IV Ketamine Infusion therapy course as well as Botox training certification.

Patients working with Dr. Capozzi know that he is easy to engage with and is most interested in his patients overcoming their obstacles to reach their optimal level of functioning. He enjoys working with patients who have anxiety, mood disorders and ADHD. It is very gratifying watching patient’s blossom and overcome their psychiatric disorder and then function at their best in work, leisure pursuits and relationships. Patients working with Dr. Capozzi should know that he realizes they have been suffering with their symptoms for some time or they would not be seeking help, and he will work with the patient in collaboration to help receive the proper care.

The typical process in working with patients is to first spend time gathering a history of the symptoms. It is then important to also include significant medical history which may be primary or secondary contributing factors. Also, it is important to look at psychosocial profile and how that may contribute to the initiation of the symptoms and prevention of improvement. It is essential to form a differential diagnosis and continue to look at any ongoing issues as well as co-morbidities. He believes it is most important to discuss possible treatment modalities and take into consideration the patient’s participation in ongoing care. It is most essential to be up to date on the latest modalities in treatment and use a combination of medication, nutritional supplements and behavioral therapies that can foster lasting improvement.

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