Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on Form S-8 of our reports dated February 27, 2018, relating to the consolidated financial statements and financial statement schedule of Omnicell, Inc. and subsidiaries (the “Company”) and the effectiveness of the Company’s internal control over financial reporting, appearing in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.

/s/ Deloitte & Touche LLP
San Jose, California
May 24, 2018