Marjorie Lavin, MD

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Kenneth Kavanagh is board certified as both a Psychiatric/Mental Health Nurse Practitioner and an Adult Nurse Practitioner. His career has spanned 30 years with the last 17 years devoted exclusively to psychiatry. He integrates his knowledge of psychiatry and primary care into evidence-based medication management strategies. He also possesses a good working knowledge of alternative treatments and integrating alternative treatments into more traditional approaches. When needed to enhance patient care outcomes, he frequently works collaboratively with psychotherapists, primary care providers, and/or medical specialists.

Kenneth currently focuses on managing depressive disorders, anxiety disorders, adjustment disorders, ADHD, somatic disorders, OCD, and bipolar disorders. Kenneth has significant experience in working with diverse groups, including urban and rural populations across socioeconomic spectrums, professionals and college students on all levels, members of the LGBTQ community, individuals confronting life stage transitions, and people living with chronic medical conditions.

Kenneth’s psychotherapeutic methods are diverse and evolve to meet collaboratively developed treatment goals. Kenneth’s interaction style is always empathic and respectful but can range from comforting and supportive to more directive and therapeutically confrontational strategies to maximize treatment goals, often with significant doses of humor throughout the therapeutic relationship.

Jonathan Hertz, MD

Staff Psychiatrist

Dr. Jonathan Hertz is board-certified in adult psychiatry. He completed fellowships in child and adolescent and public psychiatry and has been practicing psychiatry for over 18 years. Dr. Hertz's practice focuses on medication management which is offered with supportive and/or dynamic psychotherapy within 30-minute follow-up sessions. If patients have individual psychotherapists, Dr. Hertz will work collaboratively with these providers within a treatment-team approach to patient care delivery. Dr. Hertz received his medical degree from Tufts University School of Medicine in Boston. He remained in Boston to complete a residency in adult psychiatry at Cambridge Health Alliance and a fellowship in child and adolescent psychiatry at Children's Hospital Boston. Dr. Hertz subsequently returned to his hometown of NYC and completed a fellowship in public psychiatry. Dr. Hertz has clinical and administrative experience in the field of psychiatry. These positions include ACT Team community psychiatrist, director of adult outpatient clinic, and medical directorship in behavioral health within community hospitals. With training in child/adolescent, adult, and public psychiatry, Dr. Hertz has a developmental approach to mental health care. That is, he collaboratively explores the bio-psychosocial factors that may have influenced the development of mental disorders. Dr. Hertz believes an ecological approach enables a broader view of the multip

Lorenzo Santos Gutierrez, MD

Staff Psychiatrist

Dr. Santos is a highly experienced, Board-Certified Adult Psychiatrist with over 10 years of clinical experience in English and Spanish. He graduated from the Universidad Autónoma de Guadalajara School of Medicine and completed a rigorous 4-year psychiatric residency training in NYC at Lincoln Medical and Mental Health Center. In his residency and post-residency practice, Dr. Santos has provided high-quality care to culturally diverse communities, and has extensive experience helping patients with Depression, Anxiety, ADHD, and other mental health conditions. He understands that choosing and seeing a psychiatrist can be stressful and is committed to providing a welcoming and non-judgmental environment where patients can feel free to discuss their concerns. Dr. Santos takes a personalized approach to treatment, considering the unique psychology, biology, and lifestyle of each individual patient when determining the best course of action. His practice focuses on medication management in conjunction with supportive therapy, and he conducts follow-up visits in 30-minute increments. He believes that the most successful treatments integrate physical health, therapy, mindfulness, and medication, when necessary, to provide the most effective solutions for his patients. If you are looking for a compassionate and experienced psychiatrist who is fluent in both English and Spanish, schedule an appointment with Dr. Santos today. His dedication to his patients and his extensive experience makes him an excellent choice for those seeking to improve their mental health.

Nana Cudjoe, MD

Staff Psychiatrist

Dr. Nana Cudjoe is a board-certified adult psychiatrist who focuses on comprehensive psychiatric care in the form of medication management and psychotherapy. Dr. Cudjoe's motto is to "treat each person with humanity, dignity, and respect.” She believes in wholeheartedly supporting patients in their various walks of life. Dr. Cudjoe is a graduate of Creighton University School of Medicine in Omaha, NE and completed her psychiatry residency at Southern Illinois University (SIU) in Springfield, IL. While at SIU, Dr. Cudjoe served as a chief resident and received the Resident of the Year award from the Illinois Psychiatric Society in 2020. She was awarded resident of the year in her residency program. Dr. Cudjoe previously served as the Associate Medical Director of an Inpatient Psychiatric Unit, the Psychiatry Clerkship Co-Director and Assistant Professor at Eastern Virginia Medical School (EVMS). During her time at EVMS, she was honored with Alpha Omega Alpha (AOA) membership, and was awarded faculty of the year. Throughout her time in residency and beyond, Dr. Cudjoe has participated in various research and quality improvement projects aimed at improving outcomes for patients with mental health conditions. Dr. Cudjoe is a member of the American Psychiatric Association, Black Psychiatrists of America, and the Psychiatric Society of Virginia. Dr. Cudjoe employs her expertise in clinical psychopathology and psychopharmacology to tailor patient-specific treatment plans. She has extensive knowledge in Mood Disorders, Anxiety Disorders, OCD and supporting patients receiving gender-affirming care.

Sheena Mammen, LCSW

Staff Therapist

Sheena Mammen is a Licensed Clinical Social Worker with seven years of experience in various aspects of mental health. She earned her undergraduate degree from Nyack College and her Master's from Stony Brook, which deepened her understanding of the field. She specializes in treating clients with anxiety, depression, ADHD, interpersonal issues, and perfectionism. Sheena employs culturally sensitive and person-centered approaches to tailor treatments for each individual. Her eclectic therapeutic style is rooted in Cognitive Behavioral Therapy, Dialectical Behavioral Therapy, and Attachment Therapy. She also incorporates communication skills, mindfulness, executive functioning, and social skills training into her sessions, fostering comprehensive support for her clients.

John Bardugon, MD

Staff Psychiatrist

Dr. Bardugon is a board-eligible psychiatrist who specializes in the treatment of adults. He has experience in treating patients with various forms of depression and anxiety, bipolar disorder, OCD, ADHD, PTSD, and substance use disorders. He seeks to provide a safe, non-judgmental, gender affirming space for patients as they strive to lead a happier, more contented life. After a pediatrics residency, Dr Bardugon worked for 13 years as a pediatric ER physician. His interest in psychiatry was piqued during this time as he witnessed the emergence of a child and adolescent mental health crisis. While ultimately deciding to focus his efforts on the treatment of adults, Dr Bardugon is keenly aware of the influence of child development and family systems on the behavioral health of adults. Dr Bardugon employs a holistic, multimodal treatment approach. Aiming to treat the whole person, he stresses the importance of nutrition, exercise, and sleep. Dr Bardugon believes an informed patient actively engaged in decision making surrounding treatment has the best chance of effecting lasting change. Believing in the synergistic effect of talk therapy and medication, he incorporates one or more talk therapy techniques including motivational interviewing, cognitive behavioral therapy, and supportive and psychodynamic psychotherapies into most sessions. He often recommends formal participation in some form of talk therapy and is happy to collaborate with other providers.

Shantale Williams-Jules, MD

Staff Psychiatrist

Dr. Williams-Jules is an adult psychiatrist who focuses primarily on medication management in conjunction with supportive therapy. She completed her undergraduate training at Spelman College in Atlanta, GA, followed by her master's in public health degree at New York Medical College. She has completed medical school at American University of Antigua and finished her residency in psychiatry at the University of Texas Southwestern. Dr. Williams-Jules has a passion for treating adults with mental health disorders, especially within the perinatal population. She has a genuine interest in management of trauma, while also treating a vast array of disorders including depression, anxiety, bipolar disorder and posttraumatic stress disorder. She has worked with clients of varying cultures and demographics, and has experience with treating patients with medical comorbidities. Dr. Williams-Jules takes a delicate approach to diagnosis and management and believes in holistic care, which incorporates mindfulness and deep breathing techniques to address the mind and body connection. She tailors individualized treatment to address the specific needs of patients. Dr. Williams-Jules is a member of the American Psychiatric Association and the Dallas County Medical Society. She has presented her research at the Annual APA conference and is co-author of many published psychiatric papers.

Carrie Ramos, DO

Staff Psychiatrist

Dr. Carrie Ramos is a compassionate and skilled adult general psychiatrist with a commitment to providing comprehensive mental health care. A native of Texas, Dr. Ramos embarked on her medical journey at the Burrell College of Osteopathic Medicine in New Mexico, where she obtained her medical degree. Following her passion for psychiatry, she completed her residency at HCA Florida Woodmont Hospital, honing her expertise in adult psychiatric care. Dr. Ramos brings a diverse background to her practice, having earned her Bachelor's degree in Exercise Science from the University of Mary Hardin-Baylor. This foundational knowledge underscores her holistic approach to mental health, recognizing the interconnectedness of physical and emotional well-being. As a board eligible psychiatrist, Dr. Ramos is dedicated to staying current with the latest advancements in psychiatry and utilizing evidence-based treatments to support her patients. Her approach is characterized by empathy, active listening, and a commitment to fostering a therapeutic alliance with each individual under her care. With a deep-rooted passion for helping others, Dr. Ramos is driven to empower her patients on their journey toward mental wellness. Her Texas roots, coupled with her diverse educational background and clinical experiences, uniquely position her to understand and address the diverse needs of her patients. In her role as a psychiatrist, Dr. Ramos is poised to make a meaningful impact in the lives of those she serves, offering hope, healing, and support to individuals seeking guidance on their path to mental health recovery.

Shannon Curry, LMHC

Staff Licensed Mental Health Counselor

Shannon Curry has been providing mental health therapy since 2016. She received her degrees from Plattsburgh State University. Shannon has worked in a variety of settings from mental health clinics, substance use and addictions clinics, along with providing treatment in correctional facilities. Shannon helped to establish a Medication Assisted Treatment Program for a New York State County Jail. She also has experience in treating people with issues with gambling. Shannon uses an eclectic approach in treatment to provide client-centered care. The most common therapeutic styles she uses are DBT, CBT, solution focused, narrative therapy, feminist therapy, and person-centered therapy. Her primary clinical focus has been in treating adults with more serious and persistent mental illness and issues of addiction. Shannon believes in a holistic approach to therapy and supports people in identifying the more complex factors that contribute to distressing symptoms while focusing on the resiliency human beings possess. Shannon is passionate about helping people advocate and empower themselves and provides a safe place to approach any area of concern. She has the ability to provide a non-judgmental space to allow anyone to feel comfortable with disclosing any issues or concerns.

Jill Sinnott, LCSW

Staff Therapist

Jill Sinnott is a Licensed Clinical Social Worker. She has practiced in Tennessee for over ten years, in a variety of roles including comprehensive child and family therapy, mobile crisis, and group-based Alcohol and Drug treatment. Most recently, she worked in community mental health for five and a half years. In this role, she focused on individual therapy with clients of all ages. Jill obtained her Bachelor's Degree from Warren Wilson College in Swannanoa, NC, and her Master's of Science in Social Work from the University of Tennessee in Knoxville, TN before settling in Johnson City, TN with her family. Jill's areas of interest include working with the LGBTQIA+ community and incorporating play therapy techniques while working with children. She uses a combination of Cognitive Behavioral Therapy, Motivational Interviewing, and Solution-Focused Therapy to develop a treatment plan addressing the client's own goals using specific, obtainable steps and recognizing each individual's strengths.

Geoffrey Sinner, MD

Staff Psychiatrist

Background and credentials

Dr. Sinner is board-certified in Psychiatry. He completed his psychiatry residency training at Dartmouth-Hitchcock Medical Center. With over 14 years of experience, he has worked in a variety of settings, including five years in inpatient psychiatry in Vermont, where he served as Medical Director for a state hospital psychiatric unit and taught medical students. He then spent five years working in an outpatient community mental health center in Pennsylvania before transitioning to telepsychiatry, providing care to individuals in Pennsylvania, Florida, and New York.

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Treatment approach

Dr. Sinner employs a collaborative, patient-centered approach, tailoring treatment plans to meet each individual's specific needs. His practice integrates pharmacotherapy with cognitive behavioral therapy (CBT) and supportive therapy as needed. He specializes in treating a wide range of psychiatric conditions, including depression, bipolar disorder, anxiety, ADHD, neuropsychiatric disorders, developmental disorders, and personality disorders. His philosophy is to provide personalized care that makes a meaningful impact at different stages of a patient’s life.

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What you can expect in a first visit

During the first visit, patients can expect a comprehensive evaluation focused on understanding their mental health concerns, history, and treatment goals. Dr. Sinner takes a compassionate and collaborative approach, working closely with patients to create individualized treatment plans. He ensures that each patient receives a balanced and effective combination of medication management and therapeutic interventions suited to their unique needs.

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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 specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

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Stephanie Negrey, MD

Staff Psychiatrist

Dr. Stephanie Negrey is a board certified psychiatrist. She completed her undergraduate degree in Biology and History at Fordham University in the Bronx and then attended medical school at the Renaissance School of Medicine at Stony Brook University. She completed her residency at Wright State University in Dayton, Ohio as a member of the United States Air Force. Dr. Negrey served as an active duty psychiatrist; her duties included medical director of the mental health clinic at a special operations base as well as a program manager for the Air Force substance use program. Dr. Negrey has experience treating a wide range of ages and diagnoses, with particular emphasis on personality disorders, depression, anxiety, and post traumatic stress disorder. She integrates supportive and psychodynamic therapies into her medication management appointments with a goal of achieving improvement through a holistic approach. Dr. Negrey will work with patients to reach their goals for their mental health care while also providing a compassionate and collaborative environment. Dr. Negrey looks forward to working with you!

Marjorie Lavin, MD

Education and training

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