Am I at a pill mill for clinical??

I am an FNP student in my first semester following a Family Med doc in an very poor urban area. I have noticed some very innapropriate prescribing of many medications including antifungals antibiotics and opioid pain medicine. For example he has multiple patients on a regimen of Amoxicillin 500mg PO daily or penicillin vk 500mg PO daily for years at a time. Many patients have been taking daily antibiotics since the 90's (as far back as his paper charts go). Some are getting Fluconazole 150... Am I at a pill mill for clinical??
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