The kind you see popping up in fancy buildings in wealth(ier) suburbs. I need a 2nd opinion for my Mom and I'm not sure where to go! One of these cancer ctrs are fairly close to our home.

IMO you need to take her to a CCC, comprehensive cancer center.

CCC's

http://www.oralcancerfoundation.org/resources/cancer_centers.htm

BEST CANCER HOSPITALS

http://health.usnews.com/health/best-hospitals/cancer-hospital-rankings/