Root NPI Graph Dataset Documentation
Root NPI Graph is a new and improved version of the “shared Medicare patients in time” provider teaming dataset.
This is the next version of the “DocGraph” dataset and is often called the Doctor Referral dataset as referred to by Medicare.
It includes both implicit and explicit referral relationships between doctors, hospitals and other types of entities.
To purchase or download the Root NPI Graph dataset, please go to the CareSet Data Store.
Root NPI Graph 2014 Summary Statistics
Total Row Count – 159,132,078
Distinct Providers – 1,111,710
Root NPI Graph 2015 Summary Statistics
Total Row Count – 160,463,550
Distinct Providers – 1,134,618
Root NPI Graph 2016 Summary Statistics
Total Row Count – 167,680,744
Distinct Providers – 1,169,562
Root NPI Graph Data Fields
NPI_A – National Provider Identifier (NPI) – One of the provider pair
NPI_B – National Provider Identifier (NPI) – One of the provider pair
patient_count – count of unique beneficiaries that has seen provider A and provider B
* Note, for a given provider A and provider B pair, there will be a listing of A,B and B,A with the same patient_count.