About Us Waltham Behavioral Health, LLC 210 Bear Hill Road Waltham, MA 02451 Phone: 781.966.0070 Fax: 781.915.0755 [email protected] Copyright 2015 All Rights Reserved Pay Online Using PayPalError! Missing PayPal API credentials. Please configure the PayPal API credentials by going to the settings menu of this plugin. Web Design by NH Web Designer Whitemountain Webarts Log in to the Waltham Behavioral Health Patient Portal Contact us today at (781) 966-0070 to learn how Waltham Behavioral Health can help you.