Dr. Charles Nguyen is a Nephrologist and General Physician in Riversid…read moree 92501, Riverside CA and has an experience of 15 years in these fields. Dr. Charles Nguyen practices at Riverside Community Hospital in Riverside 92501, Riverside CA,Kindred Hospital-Ontario in Ontario 91764, Ontario CA and San Antonio Radiolgcl Med Grp in Upland 91786, Upland CA.read less