Table 1

Characteristics of US General Practitioners (GP) and Family Physicians (FP) in 2016

CharacteristicsSpecialty GroupaTotal
GPsUncertifiedFPs
No. (%)6,545 (6.4)16,494 (16.0)79,449 (77.6)102,488
Age, mean (range), yearsa64.6 (30-96)57.6 (28-95)49.4 (29-89)
Sex, No. (%)a102,488
 Female1,486 (23)4,587 (28)33,456 (42)
 Male5,059 (77)11,907 (72)45,993 (58)
Medical school, No. (%)a102,488
 United States3,866 (59)13,188 (80)61,211 (77)
 Other2,679 (41)3,306 (20)18,238 (23)
Medical degree, No. (%)a102,488
 MD4,712 (72)8,764 (53)71,669 (90)
 DO1,833 (28)7,730 (47)7,780 (10)
Residency training, No. (%)a,b93,500
 FM ≥3 years41 (1)5,593 (48)71,026 (91)
 FM <3 years291 (8)3,020 (26)6,480 (8)
 Other ≥3 years1,211 (34)1,086 (9)171 (0)
 Other <3 years1,973 (56)1,850 (16)758 (1)
  • DO = Doctor of Osteopathy; FM = family medicine; IQR = interquartile range; MD = Doctor of Medicine.

  • Age mean and range exclude 229 physicians due to missing data on birth year. Differences between GP and FP groups significant at P <.001, t-test for age, χ2 for other variables.

  • a American Medical Association (AMA) Masterfile data 2016.

  • b Missing training information in AMA data: GP n = 3,029; Uncertified n = 4,945; FP n = 1,014.