Final answer:
Email communication between a doctor and patient is allowed under HIPAA if appropriate safeguards are in place.
Step-by-step explanation:
Under the Health Insurance Portability and Accountability Act (HIPAA), email communication between a doctor and patient is allowed if appropriate safeguards are in place to protect the privacy and security of the patient's personal health information. This includes using secure email platforms, encrypting the emails, and obtaining the patient's consent for electronic communication.