Yes. If you selected the wrong payment method, cancel the payment and add a new payment with the correct payment method. You can do this if Enable payment cancellations is selected in Clinic Location Finance Settings.
To cancel the payment, find it under Payments on the invoice or counter sale page and select the trash can button on the payment row. In the Cancel payment dialog, add information about the cancellation and confirm the cancellation. Then select + Payment to add the correct payment. For more ways to correct a payment, see Cancel or Correct a Payment on the Invoice Page.