Koilthirumalam Sub-Center
| Hospital Name | Koilthirumalam Sub-Center |
| Address | Health Sub Centre |
| Address Line2 | Sannathi Street, Near Sivan Koil |
| Location | Koilthirumalam |
| Phone No. | N. A. |
| Mobile No. | N. A. |
| Facility | SubCentre |
| State | Tamil Nadu |
| District | Thiruvarur |
| Taluka | Nannilam |
| Block | Nannilam |
| GPS Location | Latitude: 10.9215 |
| Longitude: 79.6811 |
Koilthirumalam Sub-Center hospital is a SubCentre in Nannilam. It is located in Thiruvarur district of Tamilnadu state. The GPS Location of this hospital is shown in the map below.