Claims for Influenza Immunization Among West Virginia Medicare Beneficiaries Aged 65 Years and Older, by Provider Type, 1999–2004
| Provider Type | 1999 No. (%) | 2000 No. (%) | 2001 No. (%) | 2002 No. (%) | 2003 No. (%) | 2004 No. (%) |
|---|---|---|---|---|---|---|
| Hospital | 3,681 (3.6) | 4,515 (5.1) | 5,468 (5.8) | 3,905 (3.9) | 5,033 (5.0) | 6,071 (9.2) |
| Home health | 1,400 (1.4) | 437 (0.5) | 1,522 (1.6) | 725 (0.7) | 1,492 (1.5) | 1,784 (2.7) |
| Nursing home | 2,556 (2.5) | 2,424 (2.8) | 2,461 (2.6) | 2,491 (2.5) | 2,700 (2.7) | 1,957 (3.0) |
| Other Part A | 2,066 (2.0) | 1,838 (2.1) | 857 (0.9) | 757 (0.7) | 932 (.9) | 1,064 (1.6) |
| Physician | 83,391 (81.3) | 66,648 (75.9) | 71,594 (76.5) | 80,233 (79.3) | 77,065 (77.2) | 33,407 (50.6) |
| Mass vaccinator | 8,957 (8.7) | 11,369 (13.0) | 10,838 (11.6) | 11,781 (11.7) | 11,063 (11.1) | 20,559 (31.2) |
| Other Part B | 383 (0.4) | 377 (0.4) | 773 (0.8) | 1,101 (1.1) | 1,356 (1.4) | 758 (1.1) |
| Unknown | 136 (0.1) | 152 (0.2) | 98 (0.1) | 121 (0.1) | 199 (0.2) | 381 (0.6) |
| Total | 102,570 (100) | 87,760 (100) | 93,611 (100) | 101,114 (100) | 99,840 (100) | 65,981 (100) |