All Locations Oro Valley Office Location 12115 N. Oracle Rd. Suite #101Oro Valley, AZ 85737 Phone (520) 838-3540 Get Directions Tests Offered Echocardiogram Exercise Stress Test (ETT) Providers at this Location Gregory M. Koshkarian, MD Ajay Tuli, MD Bernardo Mendoza, MD Gordon Watson, MD Aimee Rodriguez, NP-C Lora Versluis, PA-C