Nationally Representative Samples
|
| Data Asset |
Description |
Years Included |
| Medicare 5% National Sample refreshed annually |
Claims for a nationally representative random sample of all Medicare beneficiaries. This includes Medicare Part D prescription claims for beneficiaries with Part D coverage. The Part D files do not have information on drugs given during hospitalizations or which are paid under other auspices (e.g., hospice). Please note that 2006 is the first calendar year Medicare Part D claims became available to researchers, and is the first calendar year of Part D claims available through DPHS. |
1991 - 2018 |
Medicare 100% Inpatient
refreshed annually |
Inpatient hospitalization claims and master beneficiary summary files. (i.e. enrollment, chronic conditions, cost and utilization). Does not include Medicare Part D prescription claims. |
2000 - 2018 |
| Medicare ACO |
Beneficiary claims aligned with providers participating in an Accountable Care Organization (ACO). This includes Medicare Part D prescription claims. The Part D files do not have information on drugs given during hospitalizations or which are paid under other auspices (e.g., hospice). |
2011 - 2014 |
| Medicare 5% Limited Data Set (LDS) refreshed annually |
Claims for a nationally representative random sample of all Medicare beneficiaries; does not include prescription drug claims. Less stringent criteria for CMS DUA approval |
2010 - 2018 |
| Medicare 100% Limited Data Set (LDS) refreshed annually |
Inpatient file claims for 100% of Medicare beneficiaries; does not include prescription drug claims. Less stringent criteria for CMS DUA approval |
2010 - 2018 |
