If your practice has a Facebook page you can easily set up the Appointuit web widget on your Facebook page to allow your patients to make and manage appointments direct from Facebook.
Head over to your Facebook page and make sure you are logged in, then goto this url https://apps.facebook.com/static_html_plus/ and click the large blue button to set the Static HTML app up for your page.
On the next page you will be asked which page to add the app to from a dropdown list. You will need to select your medical practice from the dropdown list and click 'Add page tab'
After your page loads, click '+ Add a Button'
Select the first option 'Book Services' and then select 'Book Now'
In the text box copy+ paste the practice widget URL then click 'Add Button'
To test the button, click on the 'Book Now' and select the option 'Test Button' this should open up the direct link to the practice online booking widget.