Chinnathumbur Sub-Center
| Hospital Name | Chinnathumbur Sub-Center |
| Address | 85 |
| Address Line2 | Main Road, Govt.Primary School |
| Location | Geramathumedu |
| Phone No. | N. A. |
| Mobile No. | N. A. |
| Facility | SubCentre |
| State | Tamil Nadu |
| District | Nagapattinam |
| Taluka | Kilvelur |
| Block | Keelaiyur |
| GPS Location | Latitude: 10.68 |
| Longitude: 79.8 |
Chinnathumbur Sub-Center hospital is a SubCentre in Keelaiyur. It is located in Nagapattinam district of Tamilnadu state. The GPS Location of this hospital is shown in the map below.