Kashnagar Sub-Center
| Hospital Name | Kashnagar Sub-Center |
| Address | N. A. |
| Address Line2 | Kashnager, Kashnager High School |
| Location | Near Shiv Mandir |
| Phone No. | N. A. |
| Mobile No. | N. A. |
| Facility | SubCentre |
| State | Bihar |
| District | Saharsa |
| Taluka | Sonbarsa |
| Block | Sonbarsa |
| GPS Location | Latitude: 25.671 |
| Longitude: 86.751 |
Kashnagar Sub-Center hospital is a SubCentre in Sonbarsa. It is located in Saharsa district of Bihar state. The GPS Location of this hospital is shown in the map below.