Justin Pereira, MD

More Clinicians

Kristofer Joondeph-Breidbart, MD

Staff Psychiatrist

Dr. Kristofer Joondeph-Breidbart is a board certified adult psychiatrist. He earned his undergraduate degree and Master's in Teaching from Boston University, followed by his medical degree from the University of Massachusetts Medical School. Dr. Joondeph-Breidbart completed his residency in general adult psychiatry at Cambridge Health Alliance, a Harvard teaching hospital. Currently, Dr. Joondeph-Breidbart serves as a staff psychiatrist at Harvard University Health Services, where he works with both undergraduate and graduate students. He has developed significant expertise in working with LGBTQ individuals through his involvement with the Gender and Sexuality Clinic at Cambridge Health Alliance and the LGBTQ Interdisciplinary Team at Harvard University Health Services. While he has extensive expertise in treating college-aged young adults, his practice also includes a broad range of patients, with a particular specialization in Obsessive-Compulsive Disorder (OCD). He is trained in Exposure and Response Prevention Therapy, a highly effective treatment for OCD. Dr. Joondeph-Breidbart takes a holistic approach to mental health care, integrating therapy into his sessions and collaborating with patients to develop individualized medication regimens that best meet their needs. His gentle and understanding approach helps create a supportive environment for his patients, fostering their mental and emotional well-being.

Stephen Geisler, MD

Staff Psychiatrist

Dr. Stephen Geisler is a board-certified adult psychiatrist and has been practicing for over 37 years. His practice focuses on medication management, and typically offers this in conjunction with supportive therapy in 30-minute follow-up visits. If Dr. Geisler feels you would benefit from working with a therapist in conjunction with medication management, he welcomes collaboration with your therapist to make for the best outcome. Dr. Geisler is a graduate of the New York University School of Medicine. He completed a fellowship in Psychoanalytic Psychotherapy at the Zucker Hillside Hospital of Northwell Health after finishing his residency training there. He is currently an Assistant Clinical Professor at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell. Over the years Dr. Geisler has received a number of awards including NAMI Exemplary Psychiatrist Award, The APA Irma Bland Certificate of Excellence in Teaching Residents, the Zucker Hillside Hospital Department of Psychiatry Recognition Award for Education, and twice received the Outstanding Teacher of the Year Award from the graduating residents' class. Dr. Geisler is a member of the American Psychiatric Association, the Nassau Suffolk District Branch of the APA and the American Society of Clinical Psychopharmacology. Through the years, Dr. Geisler has participated in many clinical research projects, has been the co-author of many papers, and has made many presentations. Dr. Geisler specializes in psychopharmacology, especially tailoring individualized treatment to serve the needs of patients with a variety of conditions. He has a lot of experience in treating patients with depression, bipolar disorder, anxiety disorders, ADHD, and OCD.

Prit Patel, MD

Staff Psychiatrist

Dr. Prit Patel is a board-certified adult psychiatrist. He obtained his medical degree from the University of South Florida and subsequently completed his residency training at the University of Texas at Austin and Northwell Health's Zucker Hillside Hospital. During his training, Dr. Patel also served as chief resident of Zucker's Hillside Hospital's outpatient psychiatric department. Following his training, Dr. Patel has previously worked at New York Presbyterian's Gracie Square Hospital, where he served as an inpatient psychiatrist treating a variety of mental health conditions, utilizing a combination of medication management and therapeutic techniques in helping those experiencing distress due to their conditions. Throughout his training and career thus far, Dr. Patel has received several awards for his clinical care and contribution to medical and psychiatric education, such as Zucker Hillside's Psychiatric Educator award. Dr. Patel has also contributed to medical research in the domains of psychiatry and LGBTQ+ healthcare .Dr. Patel has an interest in not only treating disorders but also helping patients improve their overall well-being. He treats a variety of conditions including depression, bipolar disorder, anxiety disorders, obsessive-compulsive disorders, and trauma-related disorders, through the use of medication and therapy. He has particular experience and interest in treating LGBTQ+ patients as well as young professionals and young adults.

Andrew Lelin, MD

Staff Psychiatrist

Background and credentials

Dr. Andrew Lelin is a board-certified Psychiatrist in Adult Psychiatry. He received his bachelor's degree from Johns Hopkins University and a master's in Medical Humanities, Compassionate Care, and Bioethics from Stony Brook University. Dr. Lelin earned his medical degree from Hofstra-Northwell School of Medicine and completed his residency at Rutgers-Robert Wood Johnson School of Medicine, where he specialized in advanced psychopharmacology with diverse patient populations. He also has extensive training and experience in psychotherapeutic modalities, including psychodynamic therapy, cognitive-behavioral therapy, habit-reversal therapy, and cognitive processing therapy. Following his training, Dr. Lelin provided inpatient consultation and crisis intervention services in New York City.

‍

Treatment approach

Dr. Lelin employs a compassionate, humanistic approach designed to align closely with his patients' personal goals and values. His method integrates advanced psychopharmacology with psychotherapeutic techniques such as psychodynamic, cognitive-behavioral, habit-reversal, and cognitive processing therapies. He aims to carefully balance diagnosis, avoiding both overdiagnosis and underdiagnosis, to ensure precise and tailored care. Dr. Lelin’s approach is particularly effective in addressing conditions like anxiety, depression, bipolar disorder, OCD, trauma-related issues, and other psychiatric conditions.

‍

What you can expect in a first visit

During the initial visit, patients can expect a comprehensive, detailed evaluation designed to thoroughly understand their individual experiences and needs. Dr. Lelin prioritizes establishing a compassionate and comfortable environment where patients can openly discuss their concerns and goals. This initial assessment is followed by meticulous and thoughtful follow-ups, providing clarity and direction in the treatment process.

‍

Why Talkiatry?

We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who speciualize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

Kevin Lu, MD

Staff Psychiatrist

Dr. Kevin Lu is a board certified adult psychiatrist. In addition to medication management, he integrates elements of psychotherapy, psychoeducation, lifestyle changes, and relationship skills into his approach. He enjoys working with a variety of individuals and conditions, with particular experience with veterans, immigrants, and university students. He has a friendly and casual style, and prioritizes strong therapeutic relationships in his work. Dr. Lu completed his undergraduate studies at New York University's Stern School of Business, and after a short career in finance, he made a transition into medicine. He received his medical degree from the Zucker School of Medicine at Hofstra/Northwell, and completed residency training in psychiatry at the University of Arizona in Tucson.

Adele Veksman, MD

Staff Psychiatrist

Dr. Adele Veksman is double board-certified in adult psychiatry and psychosomatic medicine, with over 14 years of experience diagnosing and treating a wide range of psychiatric conditions. She approaches each patient as a unique individual, offering a non-judgmental space to help patients develop into their best selves. She focuses primarily on medication management to alleviate symptoms while working with patients on behavioral changes to address underlying issues. If additional therapy is needed, she may suggest adding a therapist to your care team to provide the best outcome. Dr. Veksman received her medical degree from St. George's University and then completed a residency in psychiatry and fellowship in psychosomatic medicine at Zucker Hillside Hospital at Northwell Health. Next, she was an attending and ER psychiatrist at North Shore University Hospital providing psychiatric care to medically ill patients. She then transitioned to adult outpatient care at Maimonides Medical Center, treating various psychiatric illnesses. Throughout her career, she taught and supervised residents and medical students.

Thomas Mullenix, MD

Staff Psychiatrist

Dr. Mullenix is a board-certified adult psychiatrist who strives to form strong therapeutic and collaborative environments with patients and values patient empowerment. Dr. Mullenix received his medical degree from the Chicago Medical School and then went on to complete his residency in psychiatry at Advocate Lutheran General Hospital. His interests and expertise are in helping patients struggling with depression, anxiety, including social/obsessive compulsive and generalized anxiety disorders, and ADHD. He provides psychiatric medication management along with supportive, cognitive behavioral therapy (CBT) and other modalities of therapeutic treatment. Dr. Mullenix's practice focuses primarily on medication management, or pharmacotherapy. He routinely incorporates supportive therapy into his 30-minute follow-up visits. Dr. Mullenix may occasionally recommend that a therapist be part of the care team to provide optimal outcomes. The philosophy of his practice is to actively involve patients in the decision-making process to improve adherence to treatment and build trusting relationships with all patients.

Giselle Brito, MD

Staff Psychiatrist

Dr. Giselle Brito is board-certified in adult psychiatry and has been practicing for over 4 years. She received her medical degree from San Juan Bautista, School of Medicine in Puerto Rico and continued her medical education at Jackson Memorial Hospital & University of Miami Hospital for her 4-year psychiatry residency training program. After completing her training, Dr. Brito worked at the Miami Veterans Affairs Hospital and then the Orlando Veterans Affairs Hospital in the primary care mental health integrated model. Dr. Brito also holds certification in Perinatal Mental Health. Dr. Brito's practice focuses on medication management and supportive psychotherapy in typically 30-min follow up visits. At times, additional psychotherapy is needed and a therapist may be added to provide the best outcome.‍

Bethany McCann, DO

Staff Psychiatrist

Bethany McCann is a board-certified Adult Psychiatrist. After obtaining her Bachelor of Arts degree in Psychology at Kent State University, she received her medical degree from Ohio Heritage College of Osteopathic Medicine. She then went on to complete her Psychiatry Residency training at The Ohio State University, where she served as a Chief Resident for two years. Following residency, Dr. McCann pursued an additional year of training through Ohio State, where she completed a Forensic Psychiatry Fellowship. A large portion of her time was spent in the state hospital system, where she learned more about the interplay between psychiatry and the law, provided high-quality psychiatric services to an inpatient forensic population, conducted forensic evaluations, and educated the Court on psychiatric topics through expert testimony. While Dr. McCann has had experience working in a variety of settings, she has maintained a passion for outpatient psychiatry and building a strong, therapeutic relationship with her patients. Dr. McCann will provide an evidence-based medication management visit for a variety of psychiatric conditions including depression, anxiety, bipolar disorder, ADHD, PTSD, and OCD, while incorporating therapeutic techniques that are tailored to the individual and their goals.

Kirk Ramsey, MD

Staff Psychiatrist

Dr. Ramsey is board certified in general and child and adolescent psychiatry. His practice primarily focuses on medication management. He sees himself as a collaborator with therapists and counselors in caring for their shared patients and their families. He received his medical degree from the University of Tennessee Health Science Center in Memphis, TN. He completed his residency at West Virginia University Hospitals and WVU School of Medicine and a fellowship in child and adolescent psychiatry at the Yale Child Study Center, Yale University School of Medicine, and Yale-New Haven Hospital in New Haven and Middletown, CT. He completed his undergraduate studies at the University of Memphis. Dr. Ramsey remained in CT for two additional years, working in the Department of Children and Families, serving the state's at-risk youth and adolescents at a psychiatric residential treatment facility. He then returned to West Virginia University as clinical faculty in its School of Medicine. During the 12-year academic appointment, he had active roles in educating, training, and supervising medical students, general psychiatry residents, child and adolescent psychiatry fellows, and trainees from various disciplines. He worked for many years with adolescent males at both the Dually Diagnosed and Specialized Residential Treatment Centers within West Virginia University Healthcare. He provided outpatient and acute inpatient care, as well as hospital-based consultation services. Within the community, he provided medication evaluation and management services to residential treatment facilities and university student health. He has been seeing patients and collaborating with providers through telemedicine since 2016. While Dr. Ramsey specializes in working with patients with anxiety, he does not prescribe benzodiazepines.‍

Nilsa De Jesus Rosario, MD

Staff Psychiatrist

Dr. De Jesus is a bilingual psychiatrist, fluent in English and Spanish. She is a double board-certified psychiatrist in Adult Psychiatry and Child & Adolescent Psychiatry. Dr. De Jesus provides medication management services in combination with supportive therapy during 30-minute follow-up visits. Dr. De Jesus received her medical degree from the Universidad Central del Caribe School of Medicine in Bayamon, Puerto Rico. She completed her Adult Psychiatry residency at Jackson Memorial Hospital in Miami, FL. Subsequently, Dr. De Jesus pursued her fellowship in Child and Adolescent Psychiatry at Thomas Jefferson University Hospital in Pennsylvania and was a Chief Resident during her last year of training. Dr. De Jesus has been providing psychiatric services in the community mental health setting for 8 years. Her clinical focus has been in treating children, adolescents, and young adults with depression, anxiety, posttraumatic stress disorder, and ADHD. Dr. De Jesus believes in the importance of establishing an individualized treatment approach to meet each individual's need while providing comprehensive care to her patients.

Laurence Dopkin, MD

Staff Psychiatrist

Dr. Dopkin is a board-certified adult and child psychiatrist dedicated to helping patients feel well and stay well. A Long Island native, he earned his bachelor’s degree from Cornell University before attending St. George’s University School of Medicine. He completed his adult and child psychiatry training at Brown University. For over two decades, Dr. Dopkin has served New York City communities across Queens, Manhattan, and the Bronx, primarily within the public hospital system. He has held clinical, academic, and administrative leadership roles and has been recognized for his excellence in teaching and mentoring psychiatry residents. He also serves as Assistant Dean of Students for the U.S. clinical program at St. George’s University

Dr. Dopkin provides patient-centered care grounded in a biopsychosocial approach. He collaborates with each patient to tailor treatment plans that integrate evidence-based medication options with interpersonal and supportive therapy. He has worked with patients of all ages and backgrounds, including individuals from marginalized communities and those coping with trauma, depression, anxiety, and comorbid medical conditions.

With warmth and respect, Dr. Dopkin meets each patient where they are, helping them find the path that works best for their unique needs and goals.

Justin Pereira, MD

Education and training

Get to know