| NAICS Codes |
| 561110 |
Office Administrative Services |
| 621111 |
Physicians (except Mental Health Specialists) |
| 621999 |
Misc. Ambulatory Health Care Services |
| 621112 |
Physicians, Mental Health Specialties |
| 621210 |
Dentists |
| 621330 |
Mental Health Practitioners (except Physicians) |
| 621340 |
Physical, Occupational and Speech Therapists |
| 621399 |
Miscellaneous Health Practitioners |
| 622110 |
General Medical and Surgical Hospitals |