American Academy of Professional Coders - the largest professional network of CPT, ICD-9-CM and HCPCS coders in the nation.

American Association of Medical Billers - whether you're a medical billing professional, employer, instructor, health care provider or student, AAMB website is designed to provide you the information you may need quickly and easily.

The Centers for Medicare & Medicaid Services (CMS) - A Federal agency within the U.S. Department of Health and Human Services. Programs for which CMS is responsible include Medicare, Medicaid, State Children's Health Insurance Program (SCHIP), HIPAA, and CLIA.

Empire Medicare Services - a Part A intermediary for CT, DE, MA, & NY and Part B carrier for NJ and NY.

Healthcare Information and Management Systems Society (HIMSS) - a not-for-profit organization representing information and management systems professionals in healthcare.

Healthcare Financial Management Association – national organization that represents healthcare financial managers

Healthlaw Hippo - hundreds of links to Policy and regulatory materials.

HGS Administrators - the HCFA contracted Medicare Part B insurance carrier for the state of Pennsylvania.

Mutual of Omaha Medicare - A CMS contracted Medicare Intermediary

National Uniform Billing Committee – One of committee’s major roles is to maintain the integrity of the UB-92 data set.

Office of the Inspector General - Medicare and Medicaid fraud and abuse information.

Pennsylvania Department of Medicaid Programs – State of Pennsylvania department responsible for Medicaid

Trailblazer Health Enterprises - the HCFA contracted Medicare Part B insurance carrier for CO, DE, MD, NM, TX, VA and the DC Metro Area.

United Government Services – A CMS contracted Medicare Intermediary

Veritus Medicare Services - the Part A intermediary for parts of PA.

Washington Publishing Company - EDI standards.