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history npi number

hx_npi
provider
Updated 3/30/2026

Definition

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

Standard Abbreviation

hx_npi

Category

provider

Database Usage

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

-- Example in SELECT
SELECT 
  claim_id,
  hx_npi as history_npi_number
FROM claims;

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