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. 1981 Sep;3(1):89–116.

Table 5. U.S. Census Regions Ranked According to Number of Reimbursed Aged Persons Per 1,000 Enrolled in Medicare, and Percent Difference in Range between the Highest and Lowest Region, by Specialty, 1977.

Specialty Rank Percent Difference

NE NC South West
 All Specialties 2 4 3 1 24
General Practice (GP) 4 3 2 1 56
Family Practice (FP) 2 3 1 4 81
Internal Medicine (IM) 1 4 3 2 43
Cardiovascular Disease (CD) 1 4 3 2 79
Dermatology (DER) 3 4 2 1 164
General Surgery (GS) 1 4 3 2 16
Oto/Laryn/Rhin (OLR) 2 4 3 1 117
Ophthalmology (OPH) 2 4 3 1 99
Orthopedic Surgery (ORS) 2 4 3 1 62
Urology (U) 2 4 3 1 50
Anesthesiology (AN) 2 3 4 1 74
Pathology (P) 4 3 1 2 344
Radiology (R) 4 3 2 1 34
Chiropractic (CH) 3 2 4 1 175
Podiatry (POD) 1 4 3 2 231
Multi-Specialty Group (M) 3 2 4 1 197