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Mater Hospital paybill number 100 400

⚠️ Hospital paybills change frequently and may be department-specific (admissions, pharmacy, lab, etc.). Always confirm with the hospital's billing office or credit control before sending money. If a paybill listed below doesn't work, the hospital may have switched providers: call them first. Pay your Mater Hospital bill.

Verified with caveat on 14 May 2026, see notes belowhow we verify

Paybill

100 400

Account number: Your Mater Hospital invoice / patient number

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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.

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Account number for Mater Hospital

Format
Reference number
What to type
Your Mater Hospital invoice / patient number.
Common mistake
Reusing a reference number from a previous payment: most systems mark used references invalid and the new payment lands in suspense.

Mater Hospital payment not working? Top fixes

Common failure modes when paying Mater Hospital 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 Mater Hospital cost you?

For KES 2,500 to Mater Hospital (paybill 100400), you pay KES 33 on top (total KES 2,533 debited from M-PESA). The fee is set by Safaricom, not by the paybill.

KSh

Result

Fee

KES 20

Total cost

KES 2,520

The fee is 0.80% of the amount sent.

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 Mater Hospital

M-Pesa

Pay via M-Pesa 100 400

  1. Open M-Pesa, dial *334# or open the M-Pesa app.
  2. Select Lipa na M-Pesa, then Pay Bill.
  3. Enter Business Number: 100 400
  4. Enter Account (Reference Number): Your Mater Hospital invoice / patient number.
  5. Enter the amount, in KES.
  6. Enter your M-Pesa PIN and confirm. You'll get an SMS confirmation.

Account format

Reference Number: Your Mater Hospital invoice / patient number.

New to M-PESA paybills? Read the complete how-to-pay-a-paybill guide for every route (USSD, STK, SIM Toolkit, My OneApp), fees, and common mistakes.

M-PESA cost to pay Mater Hospital (2026 Safaricom tariff)

Total customer fee when paying paybill 100400 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 Mater HospitalM-PESA feeTotal off your M-PESA
KES 200KES 5KES 205
KES 500KES 5KES 505
KES 1,000KES 10KES 1,010
KES 2,500KES 20KES 2,520
KES 10,000KES 48KES 10,048
KES 50,000KES 67KES 50,067

Free for amounts up to KES 100. Mater Hospital 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.

Mater Hospital payment not working? Top fixes

Common failure modes when paying Mater Hospital 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 Mater Hospital

AmountM-Pesa feeTotal cost
KES 50FreeKES 50
KES 200KES 5KES 205
KES 1,000KES 10KES 1,010
KES 5,000KES 34KES 5,034
KES 20,000KES 62KES 20,062
Open full calculator with currency conversion

About Mater Hospital

⚠️ Hospital paybills change frequently and may be department-specific (admissions, pharmacy, lab, etc.). Always confirm with the hospital's billing office or credit control before sending money. If a paybill listed below doesn't work, the hospital may have switched providers: call them first. Pay your Mater Hospital bill.

Sector
Hospital
Official site
materkenya.com

Frequently asked about Mater Hospital

What is Mater Hospital's paybill number?

Mater Hospital's M-Pesa paybill is 100400. ⚠️ Hospital paybills change frequently and may be department-specific (admissions, pharmacy, lab, etc.). Always confirm with the hospital's billing office or credit control before sending money. If a paybill listed below doesn't work, the hospital may have switched providers: call them first. Pay your Mater Hospital bill.

How do I pay Mater Hospital via M-Pesa?

Open M-Pesa, select Lipa na M-Pesa, then Pay Bill. Enter business number 100400, then your account (Your Mater Hospital invoice / patient number.), then the amount, then confirm with your M-Pesa PIN.

What account number do I use for Mater Hospital?

Your Mater Hospital invoice / patient number.

Can I pay Mater Hospital from abroad?

Yes, diaspora users typically send via remittance services like Wise, Sendwave, Lemfi, or WorldRemit, which deposit directly to Mater Hospital's paybill 100 400. Compare fees on our diaspora hub before sending.

What are the M-Pesa fees for paying Mater Hospital?

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 Mater Hospital 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 Mater Hospital 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. Mater Hospital 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: 100 400 (mpesa paybill). How we verify.