| Business | Phone |
| Stanley L Painter Jr Do 220 Main St, Winthrop 4364 | (207) 377-2209 |
| Winthrop Family Pediatrics Ctr 15 Old Western Ave, Winthrop 4364 | (207) 377-2114 |
| Winthrop Health Center 31 Old Western Ave, Winthrop 4364 | (207) 377-2111 |
| Winthrop Health Center Old Western Ave, Winthrop 4364 | (207) 377-2111 |