621 - Ambulatory Health Care Services
Top Businesses by Annual Sales for 621 – Click for Complete Profiles:
Industries in the Ambulatory Health Care Services subsector provide health care services directly or indirectly to ambulatory patients and do not usually provide inpatient services. Health practitioners in this subsector provide outpatient services, with the facilities and equipment not usually being the most significant part of the production process.
NAICS Codes that fall under 621 - Ambulatory Health Care Services
| Codes |
Titles | US Business
Entities |
| 621 | Ambulatory Health Care Services | 1,244,868 |
| 621111 | Offices of Physicians (except Mental Health Specialists) | 414,777 |
| 621112 | Offices of Physicians, Mental Health Specialists | 18,805 |
| 621210 | Offices of Dentists | 208,390 |
| 621310 | Offices of Chiropractors | 68,304 |
| 621320 | Offices of Optometrists | 35,147 |
| 621330 | Offices of Mental Health Practitioners (except Physicians) | 36,856 |
| 621340 | Offices of Physical, Occupational and Speech Therapists, and Audiologists | 39,443 |
| 621391 | Offices of Podiatrists | 15,007 |
| 621399 | Offices of All Other Miscellaneous Health Practitioners | 104,027 |
| 621410 | Family Planning Centers | 4,746 |
| 621420 | Outpatient Mental Health and Substance Abuse Centers | 14,118 |
| 621491 | HMO Medical Centers | 1,264 |
| 621492 | Kidney Dialysis Centers | 10,559 |
| 621493 | Freestanding Ambulatory Surgical and Emergency Centers | 3,870 |
| 621498 | All Other Outpatient Care Centers | 42,048 |
| 621511 | Medical Laboratories | 15,221 |
| 621512 | Diagnostic Imaging Centers | 2,850 |
| 621610 | Home Health Care Services | 55,803 |
| 621910 | Ambulance Services | 7,331 |
| 621991 | Blood and Organ Banks | 8,947 |
| 621999 | All Other Miscellaneous Ambulatory Health Care Services | 137,355 |
