The following have issued statements in support of health care for transgender people and youth:

American Academy of Child and Adolescent Psychiatry

American Academy of Dermatology

American Academy of Pediatrics

American Academy of Physician Assistants

American Medical Association

American Nurses Association

American Association of Clinical Endocrinology

American Association of Geriatric Psychiatry

American College Health Association

American College of Nurse-Midwives

American College of Obstetricians and Gynecologists

American College of Physicians

American Counseling Association

American Heart Association

American Medical Student Association

American Psychiatric Association

American Society of Plastic Surgeons

American Society for Reproductive Medicine

American Urological Association

Endocrine Society

Federation of Pediatric Organizations

GLMA: Health Professionals Advancing LGBTQ Equality

The Journal of the American Medical Association

National Association of Nurse Practitioners in Women’s Health

National Association of Social Workers

Ohio Children’s Hospital

Pediatric Endocrine Society

Pediatrics (Journal of the American Academy of Pediatrics ) and Seattle Children’s Hospital

Texas Medical Association

Texas Pediatric Society

United States Professional Association for Transgender Health (USPATH)

World Health Organization (WHO)

World Medical Association

World Professional Association for Transgender Health

sources for each can be found here: https://glaad.org/medical-association-statements-supporting-trans-youth-healthcare-and-against-discriminatory/