Characteristics of Physician Organizations
Characteristic | Total (N = 957) |
---|---|
IPA = independent practice association; MD = medical doctor; HMO = health maintenance organization. | |
* As defined in the American Medical Association census (Havlicek PI. Medical Groups in the US, 1999. Chicago, Ill: American Medical Association; 1999). | |
Organizational type, No. (%) | |
Medical group | 621 (64.9) |
IPA | 336 (35.1) |
Ownership type, No. (%) | |
Hospital/health plan | 376 (39.3) |
MD | 456 (47.6) |
Other | 125 (13.1) |
Region,* No. (%) | |
East North Central | 169 (17.7) |
East South Central | 45 (4.7) |
Middle Atlantic | 101 (10.6) |
Mountain | 59 (6.2) |
Northeast | 58 (6.1) |
Pacific | 245 (25.6) |
South Atlantic | 118 (12.3) |
West North Central | 81 (8.4) |
West South Central | 81 (8.4) |
Practice location, No. (%) | |
Urban/suburban | 665 (69.5) |
Rural/small town | 292 (30.5) |
Age of organization, mean (SD), y | 25.7 (21.9) |
No. of MDs, mean (SD) | 239.9 (424.1) |
No. of clinic sites, mean (SD) | 77.9 (266.6) |
County HMO penetration, mean (SD), % | 33.1 (17.2) |
Physicians who are primary care physicians, mean (SD), % | 50.9 (28.2) |
Capital per MD, log, mean (SD) | 120,706.7 (359,996.0) |