Transgender Psychiatry Fellowship Program

The Transgender Psychiatry Fellowship (TPF) program is a one-year fellowship designed to train an individual in various aspects of transgender mental health care. Applicants to the TPF will have completed a residency in General Adult Psychiatry, licensed in New York State and are board eligible. Competency in LGBTQ-related mental health care is desirable.

The goal of the TPF is to teach the requisite knowledge involved in transgender medicine and surgery including transgender specific psychiatric evaluation and diagnostics, transgender-specific cultural sensitivity, hormone therapy, indications and contraindications for surgery. The fellow will see patients in the outpatient setting with various faculty, will carry a case load for acute and longitudinal care, will provide inpatient consultation, teach residents and medical students, provide different modes of treatment including psychopharmacology and psychotherapy. The fellow is expected to present a transgender-related topic during the psychiatry department grand rounds.


Direct Supervision

The fellow will receive direct clinical supervision from one of the attending on each case, consisting of individual or joint patient interview and subsequent discussion. Fellow will have both medication management and psychotherapy supervision for both acute and longitudinal cases.

Didactic Training

Fellow will participate in monthly lectures with expert faculty in the field of transgender health that have medical, surgical and psychiatric backgrounds. 

Weekly reading seminar including Journal Club.

Fellows are encouraged to participate in weekly psychosomatic fellows' seminar.

If you are interested in research, you may attend our weekly Research Fellows' Lecture Series to learn more about basic methodology and principles. You are also welcome to participate in other psychiatry research didactics.

Fellowship Expectations

At the end of the First Quarter, fellows should be able to:

  • Be culturally sensitive to transgender-related issues
  • Be proficient in diagnosing gender dysphoria
  • Learn the history and evolution of sexual and gender disorders in psychiatry
  • Understand the indications and contraindications to transgender surgery
  • Have basic familiarity in transgender-related hormone therapy
  • Work in interdisciplinary treatment teams
  • Perform pre-surgical psychiatric evaluations

At the end of the Second Quarter, fellows should be able to:

Perform all of the First-Quarter-Specific goals and objectives with increasing skill plus:

  • Be proficient in the pre- and postoperative management of transgender patients
  • Have basic familiarity of medication interactions and contraindications
  • Have basic knowledge of the physiological theories for gender dysphoria
  • Have basic knowledge of the psychological theories for gender dysphoria
  • Be familiar with civil rights movements and legislatorial changes affecting transgender patients

At the end of the Third Quarter, fellows should be able to:

Perform all of the above Quarter-Specific goals and objectives with increasing skill plus:

  • Provide education to interdisciplinary teams on transgender mental health care
  • Be proficient in providing education, support and therapy for family members and partners of transgender patients
  • Have comprehensive knowledge of community-based resources for transgender patients

At the end of the Fourth Quarter, fellows should be able to:

Perform all of the above Quarter-Specific goals and objectives with increasing skill plus:

  • Provide independent and comprehensive care to pre- and postoperative transgender patients


Dr. Hansel Arroyo

Dr. Hansel Arroyo completed his training in psychiatry at The Mount Sinai Hospital while completing a psychoanalytic fellowship at the New York Psychoanalytic Institute. He completed his fellowship in Psychosomatic Medicine at The Mount Sinai Hospital, where he specialized in the treatment of patients with chronic medical conditions and HIV/AIDS. Dr. Arroyo’s career has focused on providing mental health services to under-served and marginalized populations. He is the Director of Psychiatry and Behavioral Medicine at the Institute for Advanced Medicine and Psychiatrist at the Center for Transgender Medicine and Surgery, and Assistant Professor of Psychiatry in the Icahn School of Medicine at Mount Sinai. Dr. Arroyo is dually board certified in Psychiatry and Neurology.

Tamar Reisman, MD

Dr. Tamar Reisman is a general endocrinologist with a commitment to providing inclusive, high quality care for the LGBT community. She completed her Internal Medicine internship and residency at the University of Southern California in Los Angeles, and her Endocrinology, Diabetes and Metabolism fellowship at UCLA's David Geffen School of Medicine. She is currently an Assistant Professor of Endocrinology at the Icahn School of Medicine at Mount Sinai. Her areas of focus include transgender hormone therapy, sexual health, and testosterone disorders.

Max Lichtenstein

Dr. Max Lichtenstein completed medical school at St. Georges University and General Psychiatry Residency and Chief Residency at SUNY Downstate in Brooklyn, NY. He then completed a Psychosomatic Medicine Fellowship at Icahn School of Medicine – Mount Sinai specializing on HIV psychiatry, transplant psychiatry, psycho-oncology and transgender psychiatry. Throughout his career he has focused on providing psychiatric services to the LGBTQ community as well as those who are living with HIV. Dr. Lichtenstein has been integral in providing ongoing education, locally and at national, on HIV neurocognitive disorders and transgender health. He has been a leader in providing service at the HEAT clinic in Brooklyn which services HIV positive and transgender teens and young adults. Dr. Lichtenstein is board certified in Psychiatry and Neurology

Dr. Matthew Dominguez was a Bill Gates Millennium Scholar at Stanford University where he earned his bachelors in Human Biology before matriculating at Northwestern University in 2009. It was there that he earned his doctorate in medicine while completing a concurrent master’s degree in public health. In 2013 he was accepted into the adult psychiatry residency program at the University of Illinois (UIC) in Chicago. During his training at UIC he entered into the American Psychiatric Association's Minority Fellowship Program, which provided him with three years of grant funded, mentored-career development focusing on the trauma-informed care of communities of color and LGBTQIA populations. He then completed a one year fellowship in Reproductive/Women's Mental Health at UIC while simultaneously training as a Psychoanalytic Fellow at the Chicago Institute of Psychoanalysis.  Dr. Mathew Dominguez was the inaugural Transgender Psychiatry Fellow and now serves as an Attending and Assistant Professor of Psychiatry at the Icahn School of Medicine at Mount Sinai Hospital. 

Dr. Clayton Guthrie

Dr. Clayton Guthrie received his doctorate in clinical psychology from the Graduate School of Applied and Professional Psychology of Rutgers University. He went on to complete his postdoctoral studies at the New York University Postdoctoral Program in Psychotherapy and Psychoanalysis. Dr. Guthrie joins the CTMS after working fourteen years as a supervising psychologist at the Peter Krueger Clinic at Mount Sinai-Beth Israel Hospital where he worked with individuals with HIV and Hepatitis-C. He has cared for transgender patients for the past twelve years.