Alexandra Dunn, MD

Dr. Alexandra Hamlyn is a board-certified adult psychiatrist and board-certified child and adolescent psychiatrist. She completed her medical education at Cooper Medical School of Rowan University and then completed her residency in adult psychiatry at Icahn School of Medicine at Mount Sinai Beth Israel. She then went on to complete her child and adolescent psychiatry fellowship at NYU Langone and Bellevue Hospital. During this time, she also taught a course titled Love Actually at NYU School of Arts and Science. During training, Dr. Hamlyn gained extensive clinical experience in psychiatric inpatient, outpatient, and emergency settings, allowing her the opportunity to treat patients of all ages and backgrounds in numerous busy hospitals in New York City. Dr. Hamlyn's primary focus is on medication management, though she also has experience working in four different outpatient clinics where she has gained expertise in multiple different therapy modalities. If appropriate, Dr. Hamlyn will refer you for psychotherapy and collaborate with your therapist to support your care. She appreciates the importance of fostering a meaningful therapeutic relationship, and her goal is to make every patient feel welcomed in a non-judgmental treatment environment. She also takes a holistic approach as she understands that good health creates a sense of overall well-being and improved mental health. She strongly emphasizes the importance of mindfulness, self-compassion, exercise, nutrition, and interpersonal relationships throughout treatment. She looks forward to meeting and working with you.

Dr. Natalie Cummings is a board-certified adult psychiatrist, and board-eligible geriatric psychiatrist. She obtained her medical degree from the University of North Carolina at Chapel Hill, and completed her residency training in psychiatry at the University of Miami Miller School of Medicine and Jackson Memorial Hospital. She then went on to complete her geriatric psychiatry fellowship at Icahn School of Medicine at Mount Sinai Beth Israel. During her fellowship, Dr. Cummings participated in Mount Sinai's Visiting Doctors Program, providing patient-centered and compassionate care to homebound elder adults in New York City. She also received training at Coler Rehabilitation and Nursing Care Center on Roosevelt Island during her fellowship, and presented at the American Association for Geriatric Psychiatry annual meeting. During her training, Dr. Cummings 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. Cummings worked at New York Presbyterian's Gracie Square Hospital, serving first in the position of float psychiatrist, providing care to patients on every inpatient psychiatric unit (including the young adult/college student program, Orthodox Jewish program, psychotic disorders program, crisis-stabilization program, dual focus program, and Asian Psychiatry program), before transitioning to an established psychiatric attending for the older adult program. During her time at Gracie Square Hospital, Dr. Cummings received the Physician of the Year Award, and served as a Clinical Assistant Professor of Psychiatry at Weill Cornell Medicine. She worked closely alongside staff psychologist, social workers and nurses to provide multidisciplinary, collaborative care to patients suffering from a variety of mental health conditions. Dr. Cummings primarily focuses on medication management and supportive psychotherapy, but has extensive training in utilizing various therapy modalities, including cognitive behavioral therapy, interpersonal therapy, reminiscence therapy, and psychodynamic psychotherapy. When appropriate, Dr. Cummings will refer for more extensive psychotherapy and/or collaborate with your established psychotherapist for comprehensive care. Dr. Cummings strongly believes that addressing psychosocial and interpersonal factors (including relationship health, economic stressors, social isolation and loneliness) is as essential as pharmacologic management in treating mental health conditions. She has particular experience and interest in treating older adults and those suffering from memory disorders, but provides treatment for a variety of psychiatric conditions including depression, anxiety, bipolar disorder, obsessive-compulsive disorders, trauma-related disorders and substance use disorders. Dr. Cummings is a member of the American Psychiatric Association and American Association for Geriatric Psychiatry.

Dr.Gusta Shurdut is a board-certified adult psychiatrist with 8 year experience. She completed her medical training at SUNY Downstate Medical center in Brooklyn, and psychiatric residency at Mount Sinai Beth Israel, NYC. After her residency, she worked as an assistant professor at Mount Sinai Psychiatric Ambulatory Services. Dr.Shurdut graduated magna cum laude from Columbia University with an undergraduate degree in biology. Prior to moving to New York, she obtained a degree in communications and public relations and worked as a journalist at her hometown in Latvia.

Dr.Shurdut believes in individual, empathetic, and collaborative treatment approach. Through her residency and work experiences, Dr.Shurdut has developed expertise to treat various mental health conditions including mood disorders, anxiety, OCD, ADHD, PTSD. While her primary focus is medication management, she also incorporates CBT, psychodynamic and supportive psychotherapy.

Dr.Shurdut’s goal is empowering patients to participate in their healthcare choices. As a psychiatrist, she feels honored to witness the complexity of the human experience, and curious to explore the factors that contribute to it.  On intake appointment, she will take time to understand your concern, provide assessment, discuss treatment options and collaboratively decide on most appropriate action. The follow up appointments are usually 30 minutes and include a psychotherapy modality.

Dr. Jenna Hartman is double board certified in General Psychiatry and Addiction Psychiatry. Dr. Hartman graduated from Tufts University before completing medical school at New York Institute of Technology College of Osteopathic Medicine. She then completed residency at Maimonides Medical Center, where she was a Chief Resident, and then pursued an addiction psychiatry fellowship at Mount Sinai Beth Israel. Dr. Hartman was also trained in psychodynamic psychotherapy by the Psychoanalytic Association of NY. Following her training, Dr. Hartman returned to Maimonides Medical Center, where she worked as an attending adult outpatient clinic, treating patients from many different backgrounds with a wide array of diagnoses. She holds a special interest in treating mood disorders, anxiety disorders, and OCD. Dr. Hartman uses a compassionate and thoughtful approach in order to form a collaborative partnership with her patients. She believes in treating the person as a whole and tailoring treatments to each individual's specific needs. Dr. Hartman works with patients in 30 30-minute follow up sessions, where in addition to medication management she provides supportive and at times psychodynamic therapeutic techniques.

Dr. Theresa Colberg is a board certified adult psychiatrist. She offers guidance with navigating difficult and painful emotions that may result from mood disorders, stressful life situations, the loss of a loved one, traumatic events, attachment traumas, or neurodevelopment disorders. Within a safe, and supportive working relationship, Dr. Colberg will strive to reach an understanding of your unique situation, identify the issues that are interfering with progress, and develop a plan to better identify and achieve your goals. Previous to joining Talkiatry, Dr. Colberg served as a clinical psychiatrist for the VA Healthcare System, providing care for veterans with a predominant focus on treatment of post traumatic stress disorder. She has also worked collaboratively as an integrated psychiatrist for a primary care FQHC, treating psychiatric symptoms within a primary care setting. Dr. Colberg completed her Psychiatry Residency from Mount Sinai-Beth Israel in New York City and obtained her medical degree from Temple Medical School in Philadelphia. She offers 60-minute initial appointments and 30-minute follow-up appointments, and she won't hesitate to collaborate with other mental health experts as necessary to better support your needs.

Dr. S. Taylor Williams is a psychiatrist with Talkiatry. She is board-certified in psychiatry and has been practicing over 14 years. Dr. Williams received her MD from the University of Alabama School of Medicine at UAB. She completed her psychiatry residency at the University of Tennessee Health Science Center. Prior to joining Talkiatry, she held an academic appointment at UTHSC as Assistant Professor of Psychiatry and was the Clinical Director of the Memphis Mental Health Institute. She specializes in the treatment of young adults and LGBTQ patients. Her practice focuses on medication management.‍