The moves correlates with updated standards under the federal Health Insurance Portability and Accountability Act.
The HIPAA 5010 law outlines standards for processing Medicaid, Medicare, commercial claims and administrative transactions.
The company has helped Alabama, Arkansas, Connecticut, Delaware, Florida, Georgia, Indiana, Kansas, Kentucky, Massachusetts, Nevada, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, Tennessee, Vermont and Wisconsin update their systems.
In Alabama, Deloitte is installing a new Medicaid eligibility system as that state anticipates to see an increase of 400,000 to 500,000 Medicaid enrollees in 2014.
HP processes claims and payments for more than 1 million doctors, dentists, pharmacists, hospitals and other healthcare providers in those states.
Ninety-seven percent of healthcare transactions in Oklahoma pass compliance, according to Brett May, a data processing analyst and planning specialist with the Oklahoma Health Care Authority.