NAMCS and NHAMCS Datasets and Documentation
Visit the National Ambulatory Medical Care Survey website at https://www.cdc.gov/nchs/ahcd/namcs_index.htm and the National Hospital Ambulatory Medical Care Survey at https://www.cdc.gov/nchs/ahcd/index.htm for more information about these surveys.
On This Page
Downloadable Data Files
Data Notices
- NHAMCS Present and Future
- NAMCS Present and Future
- 2017 NAMCS Public Use Data File Update
- NHAMCS Outpatient Department Data from 2012-2017
- Masked Design Variables
- Possible Problems Downloading Data Files and Documentation
Downloadable Documentation
- NAMCS, 1993-2016
- NAMCS, 1973-1992
- NHAMCS, 1992-2017
- Public Use Data File Documentation Updates
- Methodology Used to Create "Initial Visit" for 2005 and 2006 NHAMCS [PDF - 37 KB]
Documentation Notices
SAS Documentation and Datasets
NAMCS- SAS Input Statements
- SAS Variable Labels and Format Assignments
- SAS Value Labels
- Pre-made SAS Datasets for 2015 and 2016 NAMCS
- SAS Input Statements
- SAS Variable Labels and Format Assignments
- SAS Value Labels
- SAS Value Labels
- Pre-made SAS Datasets for 2015-2017 NHAMCS ED
SPSS Documentation and Datasets
Stata Documentation and Datasets
NAMCS and NHAMCS data can also be downloaded from the Inter-University Consortium for Political and Social Research (ICPSR).A NAMCS Public Use Physician Trend File is also available. This file includes all previously released physician data from the 2005 through 2010 NAMCS Public Use Files; no visit data are included. A single record is included for each physician in every survey year; each record contains information collected during the Physician Induction Interview along with a weighting variable which enables researchers to make national estimates. File documentation is also available for downloading, along with SAS files for reading and formatting the data.