John R Flynn CPA, PC is located at 1717 E Morten Ave Suite 110.Phoenix, AZ 85020. Call Us 602-230-8879. Tax Assessor, Accountant, Tax Consultant, Tax Preparation, Tax Preparation Service.  John R Flynn CPA, PC on E Morten Ave will fix your tax problems! We offer tax problem resolution, tax planning, business accounting, and tax return preparation services. Call for your FREE Consultation.  Business Hours: Mon to Fri 08:30 AM-05:00 PM, Sat and Sun Closed