Identify what each key represents
NPI, CCN, PAC ID, legal organization identifiers, and addresses operate at different levels and for different purposes.
Preserve aliases and source records
Map source identifiers to durable entities without overwriting the source value or pretending every key is interchangeable.
Separate entities from relationships
A clinician, group, hospital, system, and location are distinct objects connected by effective-dated evidence.
Express confidence and provenance
Store the method, supporting source, effective period, review status, and confidence appropriate to the relationship.
Avoid unsupported inference
Do not translate affiliation into employment, privileges, referral behavior, service capability, or payer participation without supporting evidence.
See the method in context