- practitioner_id
| Column | Data Type | Description |
|---|---|---|
| practitioner_id | varchar | Unique identifier for the practitioner |
| first_name | varchar | Practitioner’s first name |
| last_name | varchar | Practitioner’s last name |
| specialty | varchar | Medical specialty |
| meta_source | varchar | Source document filename from FHIR meta.source |
| data_source | varchar | Deprecated. Use meta_source instead. |
| data_source_ext | varchar | Integration source of the data, derived from FHIR extension |

