Key things to keep in mind with your numbers are:Rent should be > PITI (principal, interest, taxes, & insurance) + maintenance + vacancy + capex + property management fee. 

Principal, interest, taxes and insurance. 280k with 20% down at 7% = about $1500 a month for PI.

Having spent 10 years at Fidelity Investments, I saw firsthand how traditional firms often fall short when it comes to helping real estate investors.

Any recommended providers I should run quotes through for homeowners insurance?

Insurance wrote a check for much lower than what contractors were bidding for restoration/remodeling. 

If you have any questions regarding the real estate purchase (negotiation) process, the loans you might be qualified for (low downpayment or low interest rate options), or the insurance you may need for the purchase I can answer any of your questions.

I double "co-hosters" in most markets are getting 25-30%.If property management interests you I would suggest you become a licensed and insured PM company to increase your credibility. 

If the law office is in on it, then it would be fraud as well and possibly insurance fraud if they turn it over to their E&O insurance because E&O insurance is for mistakes not for intentional acts.

But the facility is obsolete so that no self pay patient or insured patient would live there.  

Get the Certificate of Insurance for the electrical contractor in case there is an issue during installation and also thereafter.