Contact Uswittenbach2023-08-22T12:58:30-04:00 Get In Touch Phone: 410-667-6400 Email: [email protected] [email protected] Address 100 Sparks Valley Road, Suite B Sparks, Maryland 21152 Please click here to access the Wittenbach Portal, email us at [email protected], or call 800-638-8618 for service inquiries. Social Media