MAX Personal Summary File

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Medicaid MAX (Medicaid Analytic Extract) Personal Summary (PS) file contains one record for every individual eligible for and enrolled in Medicaid for at least one month or who had a Medicaid-paid service within the file year.

What does this file include? (variable highlights)

  • Bene_ID (links to all other CMS Research Identifiable Files (RIF))
  • State, county, zip code
  • Date of birth, gender, race
  • Eligibility category
  • Dual Medicare-Medicaid eligibility
  • Medicaid managed care enrollment
  • Summary utilization, Medicaid payments
Program:
Medicaid
Category:
Beneficiary Enrollment and Summary
Privacy Level:
Research Identifiable Files

Availability of this file

Availability:
CY 1999-2015

For calendar years 2014 and 2015, the CMS Medicaid research files will be in either the MAX or TAF format depending on when the state transitioned to T-MSIS data submissions.

MAX files in 2013, 2014, and 2015, while in the MAX file format, may have used T-MSIS data as the source data. Please see the state and year availability table: 

Document
MAX TAF Availability Matrix.xlsx14.42 KB
See more about all file availability
See what is in this file
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