NAMCSNational Ambulatory Medical Care Survey
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However, average visit durations for patients seen in our practices and in those of FPs and GPs in the NAMCS were very similar.
In reference to primary care physicians prescribing TCAs for nonmental disorder diagnoses, Jencks [43] stated of the 1980 NAMCS that "analysis of diagnoses does not suggest other specific [nopsychiatric] diagnoses that would account for the treatments." Little detail is given on how this analysis was conducted, yet it calls into question the role of nonpsychiatric disorders in these statistics.
The NAMCS is a periodic survey of patient encounters of medical and osteopathic physicians who provide office-based patient care in the United States, excluding Alaska and Hawaii, conducted by the National Center for Health Statistics.
Nationally representative information related to ambulatory medical care services use and provisions in nonfederally employed physician offices and outpatient departments of noninstitutional general and short-stay hospitals are captured by NAMCS and NHAMCS, respectively.
The basic sampling unit for the NAMCS is the physician-patient encounter or outpatient visit.
NAMCS and NHAMCS are nationally representative sample of the health care services delivered to individuals in the US ambulatory settings.
Physicians who provided patient care at Community Health Centers were included in the 2009-2011 NAMCS. The average annual visits per person were calculated by dividing average annual number of visits during 2009-2012 by the average U.S.
Those are the key findings from the analysis of data from the National Ambulatory Medical Care Survey (NAMC) and the National Hospital and Ambulatory Medical Care Survey (NHAMCS).
The NAMCS then divided the physician specialties into four subcategories: pediatric generalists, pediatric specialists, nonpediatric generalists, and non-pediatric specialists.
Coverage: NAMCS covers office-based practice of nonfederally employed physicians.
Overall, 91% were recorded as part of the NAMCS, and while 26% involved counseling, just 12% of those visits in a hospital setting and recorded in the NHAMCS involved OPC.
In addition to disease trends, we reviewed health care information from the 1996 NHDS, NAMCS, and NHAMCS.