CareSet Dataset: Hop Teaming

Hop Teaming Documentation

Data Structure

The data has the following columns:

  • from_npi – The provider seen first in sequence, coded by NPI
  • to_npi – The provider seen second in sequence, coded by NPI
  • patient_count – The total number of patients shared between the two providers over the entire time period (the time period is typically one year)
  • transaction_count – The count of times that a patient switched between the two providers, in the from-to direction.
  • average_day_wait – The average amount of days it took for a “HOP” to occur. Which is the the time it took, in days, for a patient to switch to the second provider after having seen the first. provider.
  • std_day_wait – The standard deviation of days it took for a HOP to occur.


For additional information about the Hop Teaming dataset, please refer to our blog post here.

An “NPI” stands for National Provider Identifier, which is a unique identifier assigned to a specific person or institution that bills for services in the United States. CMS maintains these identifiers, and regularly releases information about which provider has which NPI here:

As per CMS privacy policies provider pairs who saw less than 11 distinct patients together, in total, in the given time-period are not included in the release. There will always be at least 11 transactions between the two providers, at least one for each patient.