Koalappancherri Sub-Center
| Hospital Name | Koalappancherri Sub-Center |
| Address | Health Sub Centre |
| Address Line2 | Kolapancheri Padasalai St, Near Govt. Hr Sec School |
| Location | Kolapancheri |
| Phone No. | N. A. |
| Mobile No. | N. A. |
| Facility | SubCentre |
| State | Tamil Nadu |
| District | Thiruvallur |
| Taluka | Poonamallee |
| Block | Poonamallee MPTY |
| GPS Location | Latitude: 13.0698 |
| Longitude: 80.0751 |
Koalappancherri Sub-Center hospital is a SubCentre in Poonamallee MPTY. It is located in Thiruvallur district of Tamilnadu state. The GPS Location of this hospital is shown in the map below.