Mary Poupon, PMHNP

Dr. Alexa Hall is a board-certified adult psychiatrist with extensive training and experience across inpatient, partial hospitalization, intensive outpatient, and outpatient psychiatry settings. She earned her medical degree from Saint Louis University School of Medicine and completed her psychiatry residency at Harvard South Shore. Through her clinical work with the Harvard Medical School system and the Boston VA Healthcare System, Dr. Hall developed expertise in caring for diverse patient populations. She has also served as Medical Director for multiple psychiatry practices, overseeing services such as outpatient medication management, Spravato, IV Ketamine, and Transcranial Magnetic Stimulation (TMS). Outside of work, she enjoys cooking and spending time with her family.

Dr. Hall provides a supportive, non-judgmental environment where patients feel heard, respected, and understood. She takes a collaborative approach, working in partnership with patients to set and achieve individualized wellness goals. Her practice emphasizes whole-person care, integrating both mental and physical well-being into each treatment plan.

Dr. Hall begins by listening closely to understand each patient’s history, experiences, and concerns. From there, she collaborates with patients to identify their personal treatment and wellness goals. She develops individualized treatment plans tailored to these goals, focusing on supporting meaningful progress and long-term well-being.

Dr. Kethini is a board-certified psychiatrist in General psychiatry. She completed her medical degree at St. George's University School of Medicine in Grenada. After completing her residency at Bergen New Bridge Medical Center, she transitioned to an attending psychiatrist at the same place where she completed her residency. During her initial years as an attending, she took care of her own patients and supervised third year residents in the outpatient setting. After a few years, she transitioned to an inpatient setting, where she treated both voluntary and involuntary patients. She also continued to evaluate patients in the emergency room as part of the call group for the last 8 years. ‍Dr. Kethini is passionate about and very experienced in providing a holistic approach along with evidence-based care for patients battling depression, anxiety, bipolar disorder, OCD, ADHD, and PTSD. She integrates supportive psychotherapy along with medication management and lifestyle changes such as nutrition, exercise, sleep hygiene, and stress management. She is focused on having a collaborative approach to treatment and forming a therapeutic alliance with every single patient under her care.

Dr. Corey Greenwald is a board-certified psychiatrist with years of experience treating patients in both acute inpatient psychiatric emergencies and outpatient medication and psychotherapy settings. He earned his medical degree from Brown University, completed his internship in the Columbia system, and pursued residency training at Mount Sinai Medical Center in New York City. Dr. Greenwald has practiced in academic, urban, suburban, and rural environments, which has given him broad perspective and adaptability in caring for diverse patient populations.

Dr. Greenwald emphasizes psychoeducation as a core part of care, ensuring patients are active participants in understanding and managing their mental health. He brings a deep interest in transcultural issues and in how social media and news cycles impact emotional well-being. Having witnessed the effects of mental illness within his own family, Dr. Greenwald approaches his work with empathy, insight, and a strong commitment to helping patients feel supported throughout their journey.

Dr. Greenwald works collaboratively with patients to define or clarify concrete treatment goals by the end of the initial appointment. He maintains a low threshold for revisiting and adjusting treatment plans if progress feels unsatisfactory, ensuring care remains flexible and effective. His informal, eclectic interpersonal style allows him to tailor his approach to each individual, fostering trust and partnership in the therapeutic process.

Dr. Morales is a board-certified psychiatrist who is dedicated to the bio-psycho-sociocultural model. This has been reflected in Dr. Morales' pursuit of treating patients suffering from diverse medical and psychiatric conditions, respective psychological mindedness, and varied socio-economic and cultural backgrounds. As an individual, Dr. Morales is fascinated by the human mind, its mechanisms to pursue goals, and the cyclical patterns seen in maladaptation and suffering. He believes in understanding patients' experiences and developing comprehensive treatment plans towards reconciliation. After completing his medical education at the East Carolina Brody School of Medicine, as a Brody Scholar, he subsequently completed psychiatry residency at Jackson Health System/University of Miami. Dr. Morales has had the opportunity to work with a diverse array of patients including high-functioning patients, veterans, trafficking victims, the severely mentally ill of low socio-economic status, and cancer patients across three distinct hospital systems via telemedicine and face-to-face interactions. His experience includes working with patients suffering from post-traumatic stress disorder, adjustment disorder, mood disorders, generalized anxiety disorder, panic disorder, and more. He honors active listening, analytic understanding, supportive psychotherapy techniques, and evidence-based and methodological treatment for patient care and actualization. His goal is to assist patients in navigating short- and long-term goals as well as improved quality of life. As a result, Dr. Morales focuses on medication management, which is offered in conjunction with supportive therapy, which is offered in 1-hour initial and 30-minute follow-up visits. Dr. Morales believes that appropriate patients can benefit from additional exploratory and self-actualizing therapy from other valued and specialized therapists to support targeted goals. He will not hesitate to recommend and promote consultations with therapists for such patients who are ready to pursue. Ultimately, Dr. Morales seeks to understand, validate, and treat patients in a collaborative therapeutic alliance.

Dr. Agnes Tolentino is a board-certified adult psychiatrist with over 20 years of practice experience.  She obtained her undergraduate degree at the University of the Philippines and completed medical school at the University of the East.  She finished her psychiatry residency at the Harvard South Shore program as chief resident in her final year.  She has a strong background in psychotherapy as an adjunct to medication management.  She has extensive experience in treating PTSD, medically ill patients, elderly patients and those with terminal illnesses. She spent the last 15 years treating the geriatric population and those adjusting to co-morbid medical problems.  

She is an empathic listener and collaborative clinician, focused on treating the whole person.  She emphasizes the need to use healthy coping mechanisms as well as lifestyle changes to complement medication management.  In keeping with the “whole person” focus, the role of physical well-being is important. A thorough medical history will be obtained on your initial appointment.  

Gathering a thorough psychiatric and medical history is paramount in a successful therapeutic relationship.  And with time, a trusting therapeutic environment should be fostered.

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Dr. Justin Uzl is double board-certified in adult and consultation liaison psychiatry. His fellowship training helped him gain greater insight into the interface between medicine and mental healthcare. He has been practicing for seven years and has worked closely with individuals with co-occurring chronic medical issues, specifically organ transplantation. Dr. Uzl takes a holistic approach to mental healthcare combining medication management, psychotherapy, and lifestyle modifications to help his patients achieve a quality of life that allows them to pursue their goals. He sees the position of the psychiatrist as helping to educate and guide patients, allowing them to take an active role in their own recovery. Dr. Uzl believes diversity is a strength and embraces providing high quality services that affirm the dignity, worth and value of all individuals including the LGBTQ+ community. Dr. Uzl takes an evidence-based approach in his treatment of individuals suffering with depression, anxiety, trauma, difficulty focusing and concentrating, sleep issues, and interpersonal problems. He utilizes insight-oriented care, believing that gaining understanding of a person's feelings, thoughts, and actions will provide them the knowledge needed to make the positive change they desire. Therapy may be a key part of a person's treatment, and if greater frequency is needed outside of sessions with Dr. Uzl, he will refer and collaborate with a psychotherapist to help maximize a patient's success.