Possible Clues:

• Foot, intact to start with, seen by a doctor
• 'Foot' is how Biden introduces himself, initially?
• For foot one needs a doctor
• Shakespearean foot
• One-quarter of 'Whose woods these are I think I know'
• Anapest's cousin
• 'Platoon,' but not 'Dunkirk'
• Bit of poetry from William Blake
• Vermont but not New Hampshire, e.g.?
• 'To be,' e.g