Source: Public Records Aggregators · Commercial Data Providers · Consumer Data Sources Our search returned 186 contact records for David Nielsen across 34 states. The most recent address on file is in Portland, Oregon. Of these records, 135 include phone numbers and 75 include email addresses. Ages range from 40 to 80, which may indicate multiple individuals sharing this name. Records are compiled from government agencies and commercial data sources. Data accuracy varies by source.