NCHS Data Online Query System
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NOTICE: We regret to inform our data users that the NCHS DOQS (Data Online Query System) was archived September 30, 2016. For information on the National Ambulatory Medical Care Survey (NAMCS) and National Hospital Ambulatory Medical Care Survey (NHAMCS) data, please visit the Ambulatory Health Care Data website. For questions or comments, please contact the Ambulatory and Hospital Care Statistics Branch at 301-458-4600.
Welcome! The National Center for Health Statistics Data Online Query System (NCHS DOQS) provides dynamically generated statistical tables, charts, and graphs using NCHS public use data.
The query system includes all data, search parameters, and output options necessary for custom queries of public health datasets. It does not require commercial statistical software packages (such as SAS or Stata) or file downloads. NCHS DOQS is available 24/7 free of charge.
- Page last reviewed: September 30, 2016
- Page last updated: September 30, 2016
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