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Number of Part D Enrollees

The following table lists the number of persons appearing in the SEER-Medicare data who are enrolled in Medicare Part D as well as the total number of patients who were eligible to enroll according to the PEDSF file. The data are displayed by year, beginning in 2007, and by cancer site for patients with a first primary cancer. The data are further broken out by a patient's year of diagnosis, allowing for the identification of patients diagnosed during a specific year who were also enrolled in Medicare Part D during that year.

Number of SEER-Medicare Patients with Part D Enrollment by Calendar Year
Diagnosis Years 1986-2007
Cancer Site 2007 2008 2009
Diagnosed in this year and enrolled in part D Diagnosed in this year % with Part D enrollment Diagnosed in prior years and enrolled in part D Diagnosed in prior years % with Part D enrollment Diagnosed in prior years and enrolled in part D Diagnosed in prior years % with Part D enrollment Diagnosed in prior years and enrolled in part D Diagnosed in prior years % with Part D enrollment
All Cancers (first primary) 49506 100758 49.1% 269727 539566 50.0% 291438 560877 52.0% 267249 502830 53.1%
Breast 6594 12567 52.5% 58819 106281 55.3% 63300 110678 57.2% 59953 102818 58.3%
Colorectal 5589 10875 51.4% 36617 69393 52.8% 38508 70413 54.7% 34824 62628 55.6%
Lung 7796 15255 51.1% 13709 26283 52.2% 14371 26718 53.8% 10384 19014 54.6%
Prostate 7773 18145 42.8% 67357 153103 44.0% 74136 159881 46.4% 71444 149000 47.9%
Other 21754 43916 49.5% 93225 184506 50.5% 101123 193187 52.3% 90644 169370 53.5%
Sequence # not 00 or 01 17899 37795 47.4% 68583 140803 48.7% 76438 150860 50.7% 67718 130216 52.0%

For cases to be included in this table, they must be:

  • Age 65+ at time of diagnosis.
  • Enrolled in Medicare Part A and Part B and not in HMO in the month of diagnosis.

Note: Entitlement information is only available from 1986 on.

Number of People in the 5% Non-Cancer Medicare Beneficiary Sample with Part D Enrollment

The following table lists the number of persons appearing in the SEER-Medicare data from the 5% Non-cancer Medicare Beneficiary Sample who are enrolled in Medicare Part D as well as the total number of persons who were eligible to enroll from the sample. The data are displayed by year, beginning in 2007.

Number of People in the 5% Non-Cancer Medicare Beneficiary Sample with Part D Enrollment by Calendar Year
  2007 2008 2009
Number of People Enrolled in Part D Total Number of People in the 5% Sample of Non-Cancer Medicare Beneficiaries % with Part D enrollment Number of People Enrolled in Part D Total Number of People in the 5% Sample of Non-Cancer Medicare Beneficiaries % with Part D enrollment Number of People Enrolled in Part D Total Number of People in the 5% Sample of Non-Cancer Medicare Beneficiaries % with Part D enrollment
Non-cancer cases* 255712 440551 58.0% 259370 428210 60.6% 256218 413303 62.0%

* Includes any person in the non-cancer data during the calendar year. Must be 65 or older.

Last Modified: 18 Oct 2013