Table 2.
Median (IQR) Annual Caseloads by Size of Physician Practicea
| Median No. of Patients per Caseload (Interquartile Range) |
||||
|---|---|---|---|---|
| All Medicare | Mammography in Women Aged 66–69 y | With Diabetes Aged 66–75 y | Congestive Heart Failure Admissions | |
| All primary care physician practicesb | 260 (135–500) | 25 (10–50) | 30 (15–55) | 0 |
| Primary care physicians per practice, No. | ||||
| 1 | 170 (100–275) | 15 (10–25) | 20 (10–30) | 0 |
| 2 | 360 (230–530) | 35 (20–55) | 35 (20–60) | 0 |
| 3–5 | 650 (445–950) | 60 (40–90) | 65 (40–100) | 0 (0–5) |
| 6–10 | 1320 (935–1875) | 125 (90–180) | 130 (85–190) | 5 (0–10) |
| 11–20 | 2530 (1720–3460) | 250 (170–340) | 250 (165–350) | 5 (5–15) |
| 21–50 | 5010 (3735–7000) | 500 (375–675) | 505 (365–680) | 15 (10–25) |
| >50 | 13 400 (10 620–16 885) | 1375 (1030–1665) | 1420 (1050–1815) | 45 (35–65) |
a
Physicians saw at least 50 Medicare patients during 2005. Caseloads include patients from the Medicare Part B 20% sample who may appear in more than 1 practice or size category. All caseloads were multiplied by 5 to extrapolate to 100%.
b
Caseloads are for the total number of primary care physicians affiliated with a single primary care practice (n = 71 980).