Physicians by Specialty

Attachment J: Number of physicians in the sampling frame and sample for the 2015 NAMCS by physician specialty group and Census region.
Physician Specialty Group	US Total		Northeast		Midwest		South		West
	Frame	Sample	Frame	Sample	Frame	Sample	Frame	Sample	Frame	Sample
US Total	521,084	8,080	117,024	2,020	107,055	2,020	178,901	2,416	118,104	1,624
General/Family Practice	82,214	588	12,449	147	20,582	147	29,200	176	19,983	118
Internal Medicine	79,579	592	20,112	148	15,525	148	25,869	177	18,073	119
Pediatrics	59,980	588	14,076	147	11,918	147	20,847	176	13,139	118
General Surgery	18,100	572	3,752	143	3,759	143	6,578	171	4,011	115
Obstetrics & Gynecology	33,315	592	7,107	148	6,670	148	12,067	177	7,471	119
Orthopedic Surgery	19,178	572	3,925	143	3,997	143	6,781	171	4,475	115
Cardiovascular Disease	16,639	572	4,419	143	3,353	143	5,844	171	3,023	115
Dermatology	9,028	572	2,066	143	1,598	143	3,081	171	2,283	115
Urology	7,996	572	1,824	143	1,569	143	2,952	171	1,651	115
Psychiatry	32,652	572	9,992	143	5,443	143	9,453	171	7,764	115
Neurology	11,616	572	2,905	143	2,382	143	3,942	171	2,387	115
Ophthalmology	14,896	572	3,532	143	2,916	143	5,107	171	3,341	115
Otolaryngology	7,606	572	1,566	143	1,475	143	2,852	171	1,713	115
Other specialty	128,285	572	29,299	143	25,868	143	44,328	171	28,790	115
Note: Frame and sample numbers include both medical doctors (MDs) and doctors of osteopathy (DOs).