Source: Public Records Aggregators · Commercial Data Providers · Consumer Data Sources Our search returned 136 contact records for Mark Chang across 17 states. The most recent address on file is in Castro Valley, California. Of these records, 77 include phone numbers and 49 include email addresses. Ages range from 33 to 66, which may indicate multiple individuals sharing this name. Records are compiled from government agencies and commercial data sources. Data accuracy varies by source.

Source: County Assessor Records · County Recorder Offices · State Property Tax Databases We found 6 property records linked to Mark Chang in Clarkstown. Values shown are from county assessor records and may differ from current market prices.

Source: State Election Offices · Secretary of State Voter Files · Board of Elections 23 voter registration records were found for Mark Chang in Pennsylvania, , Maryland and 3 other states. Records show affiliations with D, R, DEMOCRATIC, UNA, DEM, NAV, which may reflect different individuals or changes over time. 11 registrations are currently active. Voter data is released as public information under state election laws and reflects status at time of the state data release.

Source: State DMV Records · DPPA-Compliant Data Providers · Vehicle Registration Databases 28 vehicle registration records are associated with Mark Chang. Registered makes include Ford, Volvo, Jeep, Kia and others. The most recent model year on record is 2018. Vehicle data is obtained through DPPA-compliant providers and is regulated under the federal Driver's Privacy Protection Act.

Source: State Secretary of State · SEC EDGAR · LinkedIn Professional Data · Business Registries 129 business affiliations were found for Mark Chang. Companies include Asian Senior Svc Ctr, G O D Express, Whiterock Corp USA and 14 more. Roles listed include Dentist and Senior Network Engineer. Records are compiled from state business registries, SEC filings, and professional networking databases.

Source: Public Records Mark Chang appears in 19 corporate filings from state Secretary of State offices and SEC EDGAR, listed as an officer, director, or registered agent.

Source: CMS NPI Registry (NPPES) · State Medical Boards · Healthcare Provider Databases 1 healthcare provider record found for Mark Chang in the CMS National Provider Identifier registry. NPI registration is required for providers billing Medicare or Medicaid. Listing here does not constitute an endorsement of care quality.

Source: State Professional Licensing Boards · Dept. of Professional Regulation Mark Chang holds 8 state-issued professional licenses on record. License data includes type, status, and issue dates from state regulatory boards. Always verify current status directly with the issuing board.

Source: City/State Transparency Portals · Government Payroll Databases · Open Data Portals Mark Chang appears in 1 government employment record from city, state, or federal transparency portals. Salary figures reflect taxpayer-funded public employee compensation and may not include overtime or benefits.

Source: USPTO Patent Database · U.S. Patent & Trademark Office Mark Chang is listed as an inventor or co-inventor on 4 USPTO patents. Patent data is public information published by the United States Patent and Trademark Office upon grant or application publication.

Source: White House Visitor Logs · Obama Administration Transparency Initiative · NARA Mark Chang appears in 1 White House visitor log entry from the WAVES/ACR access control system. These records were released under government transparency initiatives and primarily cover the Obama administration era.

Source: Historical Yearbook Archives · State Dept. of Education · Educator License Databases Mark Chang has 1 education-related record on file, which may include educator certifications and historical yearbook entries. Yearbook data represents a historical snapshot and may not reflect current information.