To make a payment using PayPal, just fill in the amount and click 'Make a Payment'. You will transfer to the PayPal website where you can complete the payment process. This is one way you can use your checking account to pay for services.
Please note that PayPal does not provide Business Associate Agreements to health care practitioners. This means that your personal information regarding this financial transaction is not protected under HIPAA regulations and may be distributed or stored for a variety of uses according to your agreement with PayPal.