Additionally, outsourcing billing and coding to a third party can reduce the burden on in-house staff, freeing up time for more important tasks. Cost Savings: One of the most significant advantages of outsourcing medical billing and coding services is cost savings. Our blog discusses a range of subjects, such as portiva, medical coding and compliance, and business news. Revenue Growth: For healthcare providers, outsourcing medical billing and coding services can also result in revenue growth. Why Small Practices Need Medical Coding and Billing Services. Typically, the cost of medical billing and coding services is from 4 to 8 percent of your monthly practice income.