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: (410) 786-3000
Fax: (410) 786-5515


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 100 
hoenix, AZ 85016

Phone: (602) 801-6600
Fax: (602) 241-0757


Boston University School of Public Health, Health Policy & Management Department, CAPP: Center for the Assessment of Pharmaceutical Practices (Formerly Health Outcomes Technology Program [HOT])

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 (T-3W)
Boston, MA 02118

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


National Committee for Quality Assurance (NCQA)

NCQA contracts with CMS to implement the HEDISĀ® Medicare HOS, which includes managing the data collection and transmittal of the HOS, supporting the development and standardization of the HOS measure, annually selecting and evaluating HOS 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


RTI International

Social Policy, Health, and Economics Research (SPHERE)

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. Additionally, RTI is involved in research which compares HOS results in the managed care setting to those in the fee-for-service population.

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

Phone: (919) 541-6000
Fax: (919) 541-5985

Waltham MA Office:
1440 Main Street, Suite 310
Waltham, MA 02451

Phone: (781) 434-1700  
Fax: (781) 434-1701 


Health Assessment Lab (HAL)

HAL subcontracted with the National Committee for Quality Assurance on the Medicare HOS Program from 1997-2004. HAL and QualityMetric, Inc., consultants collaborated in developing the original HOS survey form and case mix adjustment methodology, studying the psychometric properties of the HOS survey, and translating the HOS form into Spanish and Chinese.


This page was last modified on 03/22/2019

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