TABLE 2—

Changes in Usual Source of Care (USC) Provider Specialties: Medical Expenditure Panel Survey, United States, 2006–2012

USC Provider Specialty	2006–2007, % (No.)	2008–2009, % (No.)	2011–2012, % (No.)
Pediatrics	7.6 (91)	7.6 (119)	9.1 (117)
Family medicine	75.9 (810)	80.1 (949)	80.9 (922)
Internal medicine	11.5 (117)	8.8 (111)	7.6 (96)
Obstetrics and gynecology	5.0 (59)	3.5 (60)	2.5 (42)

Note. All percentages are weighted to account for the complex stratified multistage design of the survey. Cells including data from fewer than 100 respondents must be interpreted with caution.