Our Company

Derrick Johnson

Healthcare Analytics Consultant
Brookfield, WI, US

Tel: +1 262 7842250

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Professional Designations

  • Associate Member, The Data Warehouse Institute (TDWI)


  • BS, Mathematics with a concentration in Computer Science, University of Louisville

Current Responsibility

Derrick is a healthcare analytics consultant with the Milwaukee office of Milliman.


Derrick's area of expertise is healthcare information and reporting systems. He has assisted many organizations, including HMOs, insurance companies, Medicaid health plans, state agencies, and healthcare providers.

Derrick implements healthcare data warehousing systems, including Milliman's MedInsight data warehouse, and designs data analysis and performance measurement systems for clients. He has experience working with a variety of data sources, including health plan data, pharmaceutical data, managed care encounter data, custom data warehousing development, and extensive health experience analysis.

Prior to joining Milliman, Derrick spent more than 10 years in the healthcare industry working with a variety of payers and employers. In this role, Derrick implemented several data warehousing systems and business intelligence solutions. Derrick was responsible for managing the logical/physical design, development, security, and implementation of a data warehouse to support thousands of on-demand and burst employer reports for large health plans.

Derrick also has independent consulting experience working with individual and small to large group healthcare companies and their products, including long-term care.


  • "The Use of Information Technology in Disease Management." Managed Care Week 12(41): 5 6. November 2002. Coauthored with Drs. Darryl Landis and David Walker.
  • Work at Milliman

    • “I was offered a chance to come in, shake things up, create something."
    Work at Milliman