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referral npi number

ref_npi
provider
Updated 3/30/2026

Definition

The national provider identifier for a provider-to-provider patient direction. Used as a unique reference to identify and track the referral across healthcare systems. This field is commonly used in electronic health records (EHR), healthcare information systems (HIS), and clinical data warehouses for referral management and reporting.

Standard Abbreviation

ref_npi

Category

provider

Database Usage

-- Example column naming
CREATE TABLE claims (
  claim_id VARCHAR(50),
  ref_npi VARCHAR(100),  -- referral npi number
  ...
);

-- Example in SELECT
SELECT 
  claim_id,
  ref_npi as referral_npi_number
FROM claims;

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