Click here to tell us about your organization. We can help you make a difference.   MDS Headquarters 545 W. Juanita Ave Mesa, AZ 85210 Phone, 480.752.8140 Fax, 480.752.8144 New Business Julia MacDonald VP Client Services jmacdonald@mdscom.com 480.752.8140 x108   Human Resources Asha Kirwin HR Generalist akriwin@mdscom.com 480.752.8140 x112 Call Center Corey Mustard Call Center Director cmustard@mdscom.com 480.752.8140 x135   MDS Bakersfield Office 5121 Stockdale Hwy, #200 Bakersfield, CA 93309 Phone, 661.283.4700 Fax, 661.283.4704 Call Center Marty Morales Call Center Manager mmorales@mdscom.com 661.283.4700 x208