By linking self-reported race/ethnicity data from a large, nationally representative survey of beneficiaries to the Enrollment Database via detailed post stratification on a variety of beneficiary characteristics, it is possible to estimate the distributions of race/ethnicity, self-rated health, and education for each MA plan and for the MA population in each MA plan's operational area.
We use data from the 2009 Medicare Consumer Assessment of Healthcare Providers and Systems (MCAHPS) survey in combination with administrative data from the Medicare Enrollment Database. The MCAHPS is a mail survey with telephone follow-up based on a stratified random sample of Medicare beneficiaries, with contracts serving as strata for MA beneficiaries (Heller et al.
DEERS = Defense Enrollment Eligibility Reporting System (DOD), NED = National Enrollment Database
(VHA), CP/VETSNET = Compensation and Pension Mini File (VBA) and Veterans Service Network (combined databases).
SOURCES: Centers for Medicare & Medicaid Services: Data from the Denominator File and Enrollment Database
, 2001 and the California Office of Statewide Health Planning and Development Patient Discharge Abstract, 2001.
Comparison with the school enrollment database
showed that 14% of vaccinees had addresses outside the target area.
Hispanics and Asians were slightly older than their non-EDB counterparts (Table 3).
SOURCES: Medicare Enrollment Database
, 1999/2000 Standard Analytical Files and National Claims History, and the Renal Beneficiary and Utilization System.
The specificity of classification of minorities within the enrollment database
is very high, resulting in negative predictive values ranging from 96 percent among Hispanics to 100 percent among Asian and Pacific Islanders.
Medicare's enrollment database
records monthly health plan enrollment status and various demographic characteristics for all Medicare beneficiaries.
Data are transferred from SSA's databases to the Medicare enrollment database
(EDB), maintained at CMS.
Using Medicare's enrollment database
, we identified a 10-percent random sample of beneficiaries who died in 1998 and were entitled to Part A and Part B at the time of death.
It can be used in conjunction with existing 2D enrollment databases