Business software company Intuit has announced the acquisition of healthcare communications software company Medfusion. The cash transaction is valued at approximately $91 million. The transaction is expected to close during the fourth quarter of Intuit’s fiscal year 2010.

Intuit plans to integrate Medfusion into its Quicken Health solutions. Intuit says the acquisition will be used to further its presence in the healthcare sector, helping medical professionals communicate with patients online, access and manage personal health records, and of course, provide a better way for patients and professions track healthcare expenses.

Medfusion is currently used by 30,000 healthcare providers and helps patients communicate with their providers to schedule appointments, pay bills, request prescription refills, complete medical forms, review lab results and clinical summaries, receive reminders and exchange secure messages for related care and administrative issues.

Of course, Intuit recently bought personal finance site Mint.com for $170 million.