Gertrude's paybill number
⚠️ Gertrude's Children's Hospital uses its own M-PESA payment flow which is set up via the hospital's reception/billing desk. The paybill we previously listed (303030) is actually Absa Bank's paybill, so it was wrong. Visit gerties.org/mpesa or call the hospital before sending money.
Verified with caveat on 14 May 2026, see notes belowhow we verify
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Calculate what this transaction will cost
Use the M-Pesa fees calculator to see the exact 2026 cost, in KES or your home currency if you're paying from abroad.
Open calculatorAccount number for Gertrude's
- Format
- Reference number
- What to type
- Confirm with hospital: paybill not currently verified.
- Common mistake
- Reusing a reference number from a previous payment: most systems mark used references invalid and the new payment lands in suspense.
Gertrude's payment not working? Top fixes
Common failure modes when paying Gertrude's via M-PESA, with the first fix to try. If none of these resolve it, the 10-character M-PESA transaction code is the universal proof of payment, keep the SMS until the issue clears.
Hospital bill still shows outstanding after you paid via M-PESA.
Hospitals usually require the patient's file number or invoice reference as the account. If you used a wrong reference, the payment is in their suspense account waiting for reconciliation. Take the M-PESA SMS to the cashier with the correct patient details and they will attribute it manually.
Still stuck? How to reverse an M-PESA transaction and M-PESA error code lookup.
M-PESA paybill cost
What does paying Gertrude's cost you?
For KES 2,500 to Gertrude's (paybill ), you pay KES 33 on top (total KES 2,533 debited from M-PESA). The fee is set by Safaricom, not by the paybill.
Result
Fee
KES 20
Total cost
KES 2,520
Free for transactions up to KES 100.
Some paybills (e.g., government services on eCitizen) are zero-rated, Safaricom waives the customer fee. Confirm with the receiving entity.
Fees are typically lower than Send Money for the same amount.
Updated for 2026 Safaricom tariffs. Verify on safaricom.co.ke before sending large amounts.
How to pay Gertrude's
M-Pesa
Pay via M-Pesa
- Open M-Pesa, dial *334# or open the M-Pesa app.
- Select Lipa na M-Pesa, then Pay Bill.
- Enter Business Number:
- Enter Account (Reference Number): Confirm with hospital: paybill not currently verified.
- Enter the amount, in KES.
- Enter your M-Pesa PIN and confirm. You'll get an SMS confirmation.
Account format
Reference Number: Confirm with hospital: paybill not currently verified.
M-PESA cost to pay Gertrude's (2026 Safaricom tariff)
Total customer fee when paying paybill from M-PESA at common amounts. Fees are the standard Safaricom paybill bracket; some government services (eCitizen, KRA, NHIF/SHA) are zero-rated and these fees may be waived.
| If you pay Gertrude's | M-PESA fee | Total off your M-PESA |
|---|---|---|
| KES 200 | KES 5 | KES 205 |
| KES 500 | KES 5 | KES 505 |
| KES 1,000 | KES 10 | KES 1,010 |
| KES 2,500 | KES 20 | KES 2,520 |
| KES 10,000 | KES 48 | KES 10,048 |
| KES 50,000 | KES 67 | KES 50,067 |
Free for amounts up to KES 100. Gertrude's does not charge its own fee on top of the M-PESA tariff; what you see is what you pay.
See full M-PESA fee bands, limits, and the 20% excise duty explained for every amount up to KES 250,000.
Gertrude's payment not working? Top fixes
Common failure modes when paying Gertrude's via M-PESA, with the first fix to try. If none of these resolve it, the 10-character M-PESA transaction code is the universal proof of payment, keep the SMS until the issue clears.
Hospital bill still shows outstanding after you paid via M-PESA.
Hospitals usually require the patient's file number or invoice reference as the account. If you used a wrong reference, the payment is in their suspense account waiting for reconciliation. Take the M-PESA SMS to the cashier with the correct patient details and they will attribute it manually.
Still stuck? How to reverse an M-PESA transaction and M-PESA error code lookup.
Calculator preview
M-Pesa fees for Gertrude's
| Amount | M-Pesa fee | Total cost | % fee |
|---|---|---|---|
| KES 50 | Free | KES 50 | , |
| KES 200 | KES 5 | KES 205 | 2.50% |
| KES 1,000 | KES 10 | KES 1,010 | 1.00% |
| KES 5,000 | KES 34 | KES 5,034 | 0.68% |
| KES 20,000 | KES 62 | KES 20,062 | 0.31% |
About Gertrude's
⚠️ Gertrude's Children's Hospital uses its own M-PESA payment flow which is set up via the hospital's reception/billing desk. The paybill we previously listed (303030) is actually Absa Bank's paybill, so it was wrong. Visit gerties.org/mpesa or call the hospital before sending money.
- Sector
- Hospital
- Official site
- gerties.org
Frequently asked about Gertrude's
What is Gertrude's's paybill number?
Gertrude's's M-Pesa paybill is . ⚠️ Gertrude's Children's Hospital uses its own M-PESA payment flow which is set up via the hospital's reception/billing desk. The paybill we previously listed (303030) is actually Absa Bank's paybill, so it was wrong. Visit gerties.org/mpesa or call the hospital before sending money.
How do I pay Gertrude's via M-Pesa?
Open M-Pesa, select Lipa na M-Pesa, then Pay Bill. Enter business number , then your account (Confirm with hospital: paybill not currently verified.), then the amount, then confirm with your M-Pesa PIN.
What account number do I use for Gertrude's?
Confirm with hospital: paybill not currently verified.
Can I pay Gertrude's from abroad?
Yes, diaspora users typically send via remittance services like Wise, Sendwave, Lemfi, or WorldRemit, which deposit directly to Gertrude's's paybill . Compare fees on our diaspora hub before sending.
What are the M-Pesa fees for paying Gertrude's?
M-Pesa charges a transaction fee based on the amount sent. Use our M-Pesa fees calculator to see the exact 2026 cost for any amount.
What if I pay the wrong amount or use the wrong paybill?
Contact Gertrude's support immediately with your M-Pesa transaction code. If you sent to the wrong paybill entirely, contact Safaricom on 100 (free from a Safaricom line) within 7 days to request a reversal, though success isn't guaranteed.
How do I confirm my payment to Gertrude's went through?
M-Pesa sends a free SMS confirmation with a transaction code (e.g., ABC12DEF345). Save this code, it's your proof of payment. Gertrude's should also confirm receipt via their channels.
Read deeper
Paybill & M-PESA mechanics
How M-PESA, paybills, and Safaricom merchant systems actually function.
Pillar guide
How M-Pesa paybills actually work
The technical anatomy: from the merchant, through Safaricom, to the bank, and why charges work the way they do.
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Paybill displayed: (mpesa paybill). How we verify.