Table 1 Description of Participating Medical Groups (N = 41)
Characteristic | N | % |
|---|---|---|
Number of physicians: | Â | Â |
   <10 | 1 | 2 |
   10–39 | 10 | 24 |
   40–99 | 13 | 32 |
   100–199 | 8 | 20 |
   200–2000 | 9 | 22 |
Number of practice sites: | Â | Â |
   1 | 2 | 5 |
   2–5 | 17 | 41 |
   6–15 | 11 | 27 |
   >15 | 11 | 27 |
Type of practice: | Â | Â |
   Primary care | 15 | 36 |
   Multi-specialty | 26 | 63 |
Ownership: | Â | Â |
   Health plan | 3 | 7 |
   Hospital | 12 | 29 |
   Physicians | 19 | 46 |
   Other | 7 | 17 |
Patient visits/week/group | 4800 | 800–50,000 |
Commercial insurance | 61% | 28–87% |
Medicare | 20% | 5–40% |
Medical Assistance | 9% | 0–54% |
No insurance | 3% | 0–16% |