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. 2003 Jun;38(3):961–992. doi: 10.1111/1475-6773.00156

Table 2.

Medicare Managed Care Penetration and Physician Participation

Census Region Medicare Managed Care Penetration1 Physicians with Medicare Managed Care Contracts2 Mean Practice Revenue from Medicare Managed Care per Physician2
New England 18.1% 69.3% 10.9%
 Massachusetts 23.1 68.7 9.0
 Other 14.3 69.7 12.3
Middle Atlantic 19.7 69.6 12.8
 New Jersey 15.1 67.0 11.6
 New York 17.7 63.5 12.7
 Pennsylvania 24.8 82.5 13.7
East North Central 9.0 59.2 8.9
 Illinois 10.5 50.2 6.9
 Michigan 4.0 63.1 10.3
 Ohio 15.8 72.0 11.0
 Other 4.4 53.8 8.1
West North Central 9.4 53.9 6.8
South Atlantic 13.8 57.4 10.7
 Florida 27.3 68.9 16.7
 Other 5.6 51.9 7.8
East South Central 4.2 57.0 9.6
West South Central 12.9 54.5 9.7
 Texas 14.7 50.8 8.8
 Other 10.3 60.9 11.3
Mountain 26.5 67.3 9.8
Pacific 37.5 67.4 11.5
 California 40.1 64.8 11.3
 Other 30.2 74.0 12.2