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Humana is distinctive for its Medicare Advantage concentration — MA is the core of its business rather than an adjacent line. It also operates CenterWell, a care delivery arm. For most practices, engaging with Humana means engaging with Medicare Advantage operations. Payer content ages fastest of anything on this site. Portals move, forms change, payer IDs get reassigned, and timely filing limits are contract-specific regardless of what any table says. Treat this page as orientation; the payer’s own current documentation and your executed contract are authoritative. Checked August 2026.

Who they are

Plan types on the card

Humana Gold Plus (HMO), Humana Choice (PPO), and other Medicare Advantage products; dual eligible special needs plans; Medicaid in some states; and a smaller commercial book.

Enrollment and credentialing

Start at humana.com/provider. Many transactions run through Availity. Credentialing generally pulls from CAQH.

EDI, ERA, and EFT

Standard three-part enrollment.

Appeals

Medicare Advantage appeals follow the federal MA appeals track, not a commercial process. The levels, deadlines, and independent review mechanisms differ from commercial appeals — and MA plans are not bound by Medicare fee-for-service’s 12-month timely filing limit. Their filing limits are contractual and frequently much shorter. See Medicare Advantage.

Quirks worth knowing

  • Prior authorization requirements are extensive on MA products — this is one of the more auth-heavy payers
  • Risk adjustment and documentation matter more here than with most commercial payers, given the MA model
  • CenterWell operates as a care delivery competitor in some markets