National Cancer Institute
Health Services & Economics Branch
Cancer Control and Population Sciences

SEER-Medicare: Data Limitations

Medicare data do not include:

  • claims for HMO enrollees
  • care provided in other settings, such as the Veterans Administration
  • care for persons with Medicare as the secondary payer (in some cases)
  • reimbursement for covered services not captured by the Medicare data, e.g. out of pocket expenditures
  • coverage provided by Medigap policies

Some of the services not covered by Medicare:

  • long term care at home or in a nursing home
  • most oral prescription drugs
  • routine physicals

Last modified:
28 Apr 2006
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