Premiere Cash Loans Demanded upfront PPI payment in cash vouchers before initiating a loan

I applied for a personal loan online for $1000.  An Indian-accented gentleman identified himself as Brian Harper called me, had all my account and personal information, offered $2000 at 10% interest for 16 months with payments of $140.  Said $2000 was the minimum they could lend.  Asked for $149 for PPI insurance. 

Demanded I go to Walmart or Walgreen with him on the line so he could tell me exactly which cash vouchers to get and submit, then the $2000 would be in my account within an hour and the $149 would be reimbursed.  Even after I told him I was very uncomfortable doing this and to forget the loan, he kept calling back and texting, demanding I go get the cash vouchers.