Go to Kijabe Mission hospital. You will be asked to be pay a deposit of about Ksh. 20,000. If you have NHIF the better because it will cover the remaining cost. For inquiries you can contact Kijabe hospital through 0709728200.
You can also go to Avenue Hospital and look for Dr. Waitara (Pediatric Surgeon). You can contact his office through: 254722720181.