NAICS 621999: This U.S. industry comprises establishments primarily engaged in providing ambulatory health care services (except offices of physicians, dentists, and other health practitioners; outpatient care centers; medical and diagnostic laboratories; home health care providers; ambulances; and blood and organ banks).


  • Health Screening Services (except By Offices Of Health Practitioners)
  • Hearing Testing Services (except By Offices Of Audiologists)
  • Pacemaker Monitoring Services
  • Physical Fitness Evaluation Services (except By Offices Of Health Practitioners)
  • Smoking Cessation Programs

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