Rochelle Ruffer, PhD

Tribal Health Data Project Director

Jeannie Le, MPH

Data Visualization Analyst

THE ORIGINAL GOAL OF THE CMS/IHS DATA MATCH

To identify the number of American Indians/Alaska Natives enrolled in Medicaid

Background

Data Used

IHS 2019 user population – anyone who utilized
IHS/Tribal/Urban (I/T/U) services at least once during October 2016- September 2019

2019 T-MSIS Medicaid data

Data Match

Variables used: (last four digits SS #, birth date, gender, state, some characters of name)

Health Apt performed the data match

Access to Data

The data was deposited in the Virtual Resource Data Center (VRDC) with four variables: State, Bene_ID, IHS flag (only equal to 1), and IHS identifier