You'll either need to acquire/reacquire prescriptive easement rights, negotiate a license or sue to quiet title if an abandoned claim. 

I am a Pathologist/ Physician assistant and have intentions to attend medical school.

Part of the agent's role is to supervise to be sure that nothing bad happens, or to work to rectify it if it does.Either way, always advise the tenants well in advance (according to the terms of your lease) and tell them to secure all valuables (money, jewelry), prescription and weapons.I also recommend minimizing the intrusion on the tenants by scheduling group showings at specified times only. 

So let's say your physician and exhausted of hearing about "well, over enough years" from your financial advisor every time you ask why you're getting out-paced by inflation, or worse yet losing ground.

How much is the physician making off of his properties (in NYC or anywhere else for that matter)?

Your input is the fact that you work hard at being a physician.

I bought my house for 0 money down (actually got back 1500 at close) using a physicians loan.

The examples I regularly hear are for physicians, tech workers, etc. who certainly make well more than what we make so how are those individuals not impacted by the AMT?

So this could shield some of this one.I come from a unique situation where my wife is a medical student and I am a physician.

Owner is a retired physician, house is both a residence and office.