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Program Partners

Medicare HOS Partners

Many individuals have contributed to the development and success of the Medicare Health Outcomes Survey. Their sustained and committed efforts have moved the program forward steadily from its initial inception in 1997 to the present. The following organizations are collectively referred to as the HOS Partners:       

Centers for Medicare & Medicaid Services (CMS)

The Health Outcomes Survey Team at CMS is responsible for leadership, oversight, coordination, and successful implementation of the national Medicare Health Outcomes Survey Program.

7500 Security Boulevard 
Baltimore, MD 21244

Phone: 1-800-Medicare (1-800-633-4227)
Email: HOS@cms.hhs.gov


Health Services Advisory Group (HSAG)

CMS contracts with HSAG for HOS data cleaning and analysis, developing and disseminating data files and reports, educating data users and stakeholders on HOS findings and applications, and conducting applied research with HOS data to support CMS priorities.

3133 East Camelback Road, Suite 140 
hoenix, AZ 85016

Phone: (602) 801-6600
Fax: (602) 801-6051
Toll-free: (877) 601-6050


Boston University School of Public Health

Department of Health Law, Policy & Management, CAPP: Center for the Assessment of Pharmaceutical Practices

The Boston University School of Public Health, through its CAPP program, subcontracted with the National Committee for Quality Assurance for the Medicare HOS Program to support the science of survey design and methodology. Analytic work included psychometric comparisons of 36 item surveys used in the Medicare managed care and the Veteran's Health Administration programs, comparisons of health outcomes between the Medicare Advantage and VA patient populations, and analysis of case mix methodology employed by the HOS.

715 Albany Street, Talbot 1 West
Boston, MA 02118

Phone: (617) 414-1418
Fax: (617) 638-5374


National Committee for Quality Assurance (NCQA)

NCQA contracts with CMS to implement the HEDIS® Medicare HOS, which includes managing the data collection and transmittal of the HOS, supporting the development and standardization of the HOS measure, annually training and evaluating CMS-approved HOS survey vendors, and conducting ongoing quality assurance of the survey process.

1100 13th Street, NW, Third Floor
Washington, DC 20005

Phone: (202) 955-3500
Fax: (202) 955-3599


Research Triangle Institute (RTI) International

Health Practice Area

RTI subcontracts with the National Committee for Quality Assurance on the Medicare HOS Program. RTI is involved in the sample selection for each round of the Medicare HOS. RTI staff have expertise in collecting, assessing, and reporting policy-oriented information and conducting health services research in many areas of program evaluations.

Main Office Address:
3040 Cornwallis Road
P.O. Box 12194
Research Triangle Park, NC 27709

Phone: (919) 541-6000 



This page was last modified on 06/21/2023

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