Skip to main content
. 1981 Sep;3(1):89–116.

Table 6. Number and Ratio of Non-Federal Physicians Per 100,000 Medicare Enrollees by Specialty, by U.S. Census Region, 1975.

Rate (physicians per 100,000 enrollees)

Region Total GP & FP IM CD DER GS OLR OPH OR U A P R
U.S. 1637 237 220 29 19 134 24 48 48 28 55 48 48
Northeast 1934 206 308 39 22 159 26 54 49 29 66 57 54
North Central 1382 237 185 22 15 121 20 40 38 24 46 45 44
South 1404 218 167 25 17 120 22 44 43 28 42 39 41
West 2072 320 249 35 28 143 31 63 72 35 80 55 60
Ratio (Rate in region to U.S.)

U.S. 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
Northeast 1.18 0.87 1.40 1.34 1.16 1.19 1.08 1.13 1.02 1.04 1.20 1.19 1.13
North Central 0.84 1.00 0.84 0.76 0.79 0.90 0.86 0.83 0.79 0.86 0.84 0.94 0.92
South 0.86 0.92 0.76 0.86 0.89 0.90 0.92 0.92 0.90 0.97 0.76 0.81 0.85
West 1.27 1.35 1.13 1.21 1.47 1.07 1.29 1.31 1.50 1.25 1.45 1.15 1.25
Percent difference between highest and lowest region 50 55 84 77 87 33 55 58 89 46 90 46 46

Source: Number of physicians from “Physician Distribution and Medical Licensure in U.S., 1975,” American Medical Association 1976.