Are you using email for marketing? You should be. If you are your website should have an easy email subscription form integrated with your email service provider ( see www.hospiceofchattanooga.org ). By the way, the HOC site is mobile enabled and email subscription is in the mobile version as well as standard.
We love MailChimp for email marketing because they are easy to use and innovative. Here’s a great example of that innovation – easily placing an email subscription form in your Facebook profile.
Here is how to do it - https://lonelybrand.com/blog/how-to-add-a-mailchimp-tab-to-your-facebook-page/
Get those subscribers and ‘gently’ use email marketing to keep your brand, products and services in front of them.