Identity V: 3 tips to counter the immortal Doctor for beginners

The Doctor survivor has the powerful ability to heal herself and others and do so very quickly. She can continuously harass and delay a hunter, and empower other survivors to do the same. For beginner hunters, the Doctor can be quite overpowered, frustrating, and at times impossible to deal with.
Here are 3 general tips for beginner hunters on how to counter the Doctor.