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Part B

Welcome to the Cahaba GBA Part B website.  As the A/B Medicare Administrative Contractor for Alabama, Georgia, and Tennessee, we process Part B claims for physician services as defined by the Center for Medicare & Medicaid Services (CMS) in the Internet Only Manual (IOM) Chapter 5, Section 70.

Some services include but not limited to:

  • Physician services (including podiatrists, chiropractors, optometrists)
  • Ambulance services
  • Independent Clinical Laboratories
  • Independent Diagnostic Testing Facilities (IDTFs)
  • Non-physician Practitioners (Nurse Practitioners (NPs), Physician Assistants (PAs), Certified Registered Nurse Anesthetists (CRNAs), Certified Nurse Midwives (CNM), Licensed Clinical Social Workers (LCSWs), Clinical Psychologists (CPs)