Exhibit

We consent to the incorporation by reference in Registration Statement Nos. 333-146340, 333-172619, 333-183053, 333-187244, and 333-209665 each on Form S-8 of our reports dated February 2, 2017, relating to the financial statements of athenahealth, Inc. and subsidiaries, and the effectiveness of athenahealth, Inc.’s internal control over financial reporting appearing in this Annual Report on Form 10-K of athenahealth, Inc. for the year ended December 31, 2016.