Medical Association of Billers - Membership pages of billers for association. - http://www.physicianswebsites.com/medical-billing-services.htm
America Medical Billing Center List - Provides a directory of resumes and listings of medical billing companies. - http://www.billingcenterlist.com/
American Medical Billing Association - Information exchange and networking for professional medical billers and electronic claims processing consultants. - http://www.webcom.com/medical/AMBA.htm