National Mental Health Services Survey (N-MHSS)

Principal Investigator(s):  View help for Principal Investigator(s) SAMHSA

Version:  View help for Version V2

Name File Type Size Last Modified
2012 N-MHSS Codebook.pdf application/pdf 631.7 KB 02/09/2025 08:34:AM
2016 N-MHSS Codebook.pdf application/pdf 2.3 MB 01/31/2025 12:49:PM
2016 N-MHSS Questionnaire.pdf application/pdf 157.7 KB 01/31/2025 12:55:PM
2017 N-MHSS Codebook.pdf application/pdf 1.8 MB 01/31/2025 12:56:PM
2019 N-MHSS Codebook.pdf application/pdf 710.4 KB 01/31/2025 01:00:PM
2020 N-MHSS Codebook.pdf application/pdf 1.9 MB 01/31/2025 01:02:PM
2020 N-MHSS Survey Questionnaire.pdf application/pdf 415.5 KB 01/31/2025 01:03:PM
MHSS 2010 Data Bundle.zip application/zip 5.3 MB 01/31/2025 01:04:PM
MHSS 2012 Data Bundle.zip application/zip 1.1 MB 01/31/2025 01:05:PM
MHSS 2014 Data Bundle.zip application/zip 3.4 MB 01/31/2025 12:50:PM

Project Citation: 

SAMHSA. National Mental Health Services Survey (N-MHSS). Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2025-04-01. https://doi.org/10.3886/E218663V2

Project Description

Project Title:  View help for Project Title National Mental Health Services Survey (N-MHSS)
Summary:  View help for Summary The National Substance Use and Mental Health Service Survey (N-SUMHSS) replaced the National Survey of Substance Abuse Treatment Services (N-SSATS) and the National Mental Health Services Survey (N-MHSS) in 2021 by combining questions for substance use and mental health facilities. The N-SSATS and N-MHSS were combined to reduce burden on the facilities, optimize government resources to collect data, and enhance the quality of data collected.Prior to 2021, the N-MHSS included information on the following facilities:
  • Public and private psychiatric hospitals
  • Nonfederal general hospitals with separate psychiatric units
  • U.S. Department of Veterans Affairs medical centers
  • Residential treatment centers for children and adults
  • Community mental health centers
  • Outpatient, day treatment, or partial hospitalization mental health facilities
  • Multi-setting (non-hospital) mental health facilities



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Published Versions

V2 [2025-04-01]

V1 [2025-02-09]

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