Instead of trying to reduce the number of people who have access to a patient's medical record by quarantining information, hospitals should explain the current meaning of confidentiality to patients as part of the informed consent process.
Determining the severity of a breach of medical privacy, and therefore whether or not it will be reported to the US Department of Health and Human Services, by the patient's reaction puts the hospital's interest in avoiding reporting breaches above the patient's best interests.
Suppression of puberty should become the standard of care for gender identity disorder: it is safe and reversible, allows children more time to explore their gender identities, and prevents the development of difficult-to-reverse physical features.