| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 621391 | 621391 | 621391 | Doctors of podiatry (DPs) offices (e.g., centers, clinics) | |||
| 621391 | 621391 | 621391 | DPs' (doctors of podiatry) offices (e.g., centers, clinics) | |||
| 621391 | 621391 | 621391 | Foot specialists' (podiatry) offices (e.g., centers, clinics) | |||
| 621391 | 621391 | 621391 | Podiatrists' offices (e.g., centers, clinics) | |||
| 621391 | 621391 | 621391 | Popopediatricians' offices (e.g., centers, clinics) |