| S.No. | DISTRICT | HUD | Block | RD Block | PHC | TYPE |
| 1 | Tiruvannamalai | Tiruvannamalai | Kadaladi | Kalasapakkam | Athamangalampudur | Addl. PHC |
| 2 | Tiruvannamalai | Tiruvannamalai | Kadaladi | Kalasapakkam | Kadaladi | Upgraded Block PHC |
| 3 | Tiruvannamalai | Tiruvannamalai | Kadaladi | Kalasapakkam | Melvilvarayanallur | Addl. PHC |
| 4 | Tiruvannamalai | Tiruvannamalai | Kadaladi | Kalasapakkam | Padagam | Addl. PHC |
| 5 | Tiruvannamalai | Tiruvannamalai | Kadaladi | Kalasapakkam | Veeralur | Addl. PHC |
| 6 | Tiruvannamalai | Tiruvannamalai | Kalambur | Polur | Kalambur | Upgraded Block PHC |
| 7 | Tiruvannamalai | Tiruvannamalai | Kalambur | Polur | Kalasamudram | Addl. PHC |
| 8 | Tiruvannamalai | Tiruvannamalai | Kalambur | Polur | Kelur | Addl. PHC |
| 9 | Tiruvannamalai | Tiruvannamalai | Kalambur | Polur | Santhavasal | Addl. PHC |
| 10 | Tiruvannamalai | Tiruvannamalai | Kalambur | Polur | Thiruchurpettai | Addl. PHC |
| 11 | Tiruvannamalai | Tiruvannamalai | Kalambur | Polur | Vazhiyur | Addl. PHC |
| 12 | Tiruvannamalai | Tiruvannamalai | Karapattu | Pudupalayam | Karapattu | Upgraded Block PHC |
| 13 | Tiruvannamalai | Tiruvannamalai | Karapattu | Pudupalayam | Periakulam | Addl. PHC |
| 14 | Tiruvannamalai | Tiruvannamalai | Karapattu | Pudupalayam | Pudupalayam | Addl. PHC |
| 15 | Tiruvannamalai | Tiruvannamalai | Kaattampoondi | Thiruvannamalai | Adi Annamalai | Addl. PHC |
| 16 | Tiruvannamalai | Tiruvannamalai | Kaattampoondi | Thiruvannamalai | Anananthal | Addl. PHC |
| 17 | Tiruvannamalai | Tiruvannamalai | Kaattampoondi | Thiruvannamalai | Kattampoondi | Upgraded Block PHC |
| 18 | Tiruvannamalai | Tiruvannamalai | Kaattampoondi | Thiruvannamalai | Meyyur | Addl. PHC |
| 19 | Tiruvannamalai | Tiruvannamalai | Kaattampoondi | Thiruvannamalai | Palayanur | Addl. PHC |
| 20 | Tiruvannamalai | Tiruvannamalai | Kaattampoondi | Thiruvannamalai | Pavithram | Addl. PHC |
| 21 | Tiruvannamalai | Tiruvannamalai | Kaattampoondi | Thiruvannamalai | Su. Valavetti | Addl. PHC |
| 22 | Tiruvannamalai | Tiruvannamalai | Keezhpennathur | Keezhpennathur | Avur | Addl. PHC |
| 23 | Tiruvannamalai | Tiruvannamalai | Keezhpennathur | Keezhpennathur | Kalikulam | Addl. PHC |
| 24 | Tiruvannamalai | Tiruvannamalai | Keezhpennathur | Keezhpennathur | Keezhpennathur | Upgraded Block PHC |
| 25 | Tiruvannamalai | Tiruvannamalai | Keezhpennathur | Keezhpennathur | Kolathur | Addl. PHC |
| 26 | Tiruvannamalai | Tiruvannamalai | Keezhpennathur | Keezhpennathur | Konalur | Addl. PHC |
| 27 | Tiruvannamalai | Tiruvannamalai | Keezhpennathur | Keezhpennathur | Mekkalur | Addl. PHC |
| 28 | Tiruvannamalai | Tiruvannamalai | Keezhpennathur | Keezhpennathur | Somasipadi | Addl. PHC |
| 29 | Tiruvannamalai | Tiruvannamalai | Keezhpennathur | Keezhpennathur | Vettavalam | Upgraded PHC |
| 30 | Tiruvannamalai | Tiruvannamalai | Kommanandal | Chetpet | Kommanandal | Upgraded Block PHC |
| 31 | Tiruvannamalai | Tiruvannamalai | Kommanandal | Chetpet | Thatchampadi | Addl. PHC |
| 32 | Tiruvannamalai | Tiruvannamalai | Kommanandal | Chetpet | Vadamathimangalam | Addl. PHC |
| 33 | Tiruvannamalai | Tiruvannamalai | Mangalam | Thurinjapuram | Anandal | Addl. PHC |
| 34 | Tiruvannamalai | Tiruvannamalai | Mangalam | Thurinjapuram | Mangalam | Upgraded Block PHC |
| 35 | Tiruvannamalai | Tiruvannamalai | Mangalam | Thurinjapuram | Northampoondi | Addl. PHC |
| 36 | Tiruvannamalai | Tiruvannamalai | Mangalam | Thurinjapuram | Sorakolathur | Addl. PHC |
| 37 | Tiruvannamalai | Tiruvannamalai | Mangalam | Thurinjapuram | Thurinjapuram | Addl. PHC |
| 38 | Tiruvannamalai | Tiruvannamalai | Melpallipattu | Chengam | Arattavadai | Addl. PHC |
| 39 | Tiruvannamalai | Tiruvannamalai | Melpallipattu | Chengam | Chennasamudram | Addl. PHC |
| 40 | Tiruvannamalai | Tiruvannamalai | Melpallipattu | Chengam | Ilankunni | Addl. PHC |
| 41 | Tiruvannamalai | Tiruvannamalai | Melpallipattu | Chengam | Melpallipattu | Upgraded Block PHC |
| 42 | Tiruvannamalai | Tiruvannamalai | Melpallipattu | Chengam | Melpennathur | Addl. PHC |
| 43 | Tiruvannamalai | Tiruvannamalai | Melpallipattu | Chengam | Paramanandal | Addl. PHC |
| 44 | Tiruvannamalai | Tiruvannamalai | Jamnamaruthur | Jamnamaruthur | Jamnamaruthur | Upgraded PHC |
| 45 | Tiruvannamalai | Tiruvannamalai | Jamnamaruthur | Jamnamaruthur | Nammiyambattu | Upgraded Block PHC |
| 46 | Tiruvannamalai | Tiruvannamalai | Jamnamaruthur | Jamnamaruthur | Puliyur | Addl. PHC |
| 47 | Tiruvannamalai | Tiruvannamalai | Tiruvannamalai Mpty. | Thiruvathipuram Mpty | Bus stand | Urban PHC |
| 48 | Tiruvannamalai | Tiruvannamalai | Tiruvannamalai Mpty. | Tiruvannamalai Mpty | Kilnathur | Urban PHC |
| 49 | Tiruvannamalai | Tiruvannamalai | Tiruvannamalai Mpty. | Tiruvannamalai Mpty | Anna Nagar | Urban PHC |
| 50 | Tiruvannamalai | Tiruvannamalai | Vanapuram | Thandarampattu | Malamanjanur | Addl. PHC |
| 51 | Tiruvannamalai | Tiruvannamalai | Vanapuram | Thandarampattu | Perungulathur | Addl. PHC |
| 52 | Tiruvannamalai | Tiruvannamalai | Vanapuram | Thandarampattu | Reddiarpalayam | Addl. PHC |
| 53 | Tiruvannamalai | Tiruvannamalai | Vanapuram | Thandarampattu | S.Goodaloor | Upgraded PHC |
| 54 | Tiruvannamalai | Tiruvannamalai | Vanapuram | Thandarampattu | Sathanur Dam | Addl. PHC |
| 55 | Tiruvannamalai | Tiruvannamalai | Vanapuram | Thandarampattu | Vanapuram | Block Main PHC |