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Ambulatory Health Care Data

NAMCS and NHAMCS Web Tables





2009-2010 Combined Year Tables

Combined NAMCS and NHAMCS



2007-2008 Combined Year Tables


Tobacco Screening

NHAMCS - Emergency Departments

Visit Rates

Visits at Which Patients Left Before Being Seen

Triage Status

Hospital Admissions and Transfers

Combined NAMCS and NHAMCS

Visit Rates

Antibiotic Prescribing

Adverse Effects of Medical Care



National Ambulatory Medical Care Survey and National Hospital Ambulatory Medical Care Survey logos

Contact Us:
  • Ambulatory and Hospital Care Statistics Branch
    National Center for Health Statistics
    3311 Toledo Road
    Hyattsville, MD 20782-2064
  • (301) 458-4600
  • Contact CDC–INFO
  • Page last reviewed: November 6, 2015
  • Page last updated: August 20, 2015
  • Content source: CDC/National Center for Health Statistics
  • The U.S. Government's Official Web PortalDepartment of Health and Human Services
    Centers for Disease Control and Prevention   1600 Clifton Rd. Atlanta, GA 30329-4027, USA
    800-CDC-INFO (800-232-4636) TTY: (888) 232-6348 - Contact CDC-INFO