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 Stephen A. Algeo, MD Paul E. Bejarano, MD Gregory M. Koshkarian, MD Ajay Tuli, MD Bernardo Mendoza, MD Gordon Watson, MD Scott S. Berman, MD Debra Jackley MSN, AGACNP- BC Johnice Barajas, FNP-BC