Version: 2026-04-14

Medallion API will have the following changes:

Removal on May 31, 2026

• p/api/v1/payer-enrollments/
  • Require payer_specific_provider_id for Medicare and Medicaid enrollments
• p/api/v1/payer-enrollments/{pk}/enrollment-details/
  • Require payer_specific_provider_id for Medicare and Medicaid enrollments
• p/api/v1/payer-enrollments/{pk}/enrollment_details/{pk}/
  • Require payer_specific_provider_id for Medicare and Medicaid enrollments