Aeon Global Health 8-K Amendment to Merger Agreement and Schedule Closing

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statements of Authentidate Holding Corp. on Form S-3 (Nos. 333-05445, 333-49160, 333-70880, 333-100546, 333-101354, 333-106174, 333-109626, 333-113153, 333-170760 and 333-179577) and on Form S-8 (Nos. 333-197346, 333-179269, 333-23933, 333-65894, 333-91337, 333-97965, 333-118338 and 333-174347) of our report dated December 18, 2015, on our audits of the consolidated financial statements of Peach State Health Management LLC, d/b/a Aeon Clinical Laboratories, as of December 31, 2014 and 2013 and for each of the years then ended, which report is included in this Current Report on Form 8-K to be filed on or about February 1, 2016.

/s/ EISNERAMPER LLP

Iselin, NJ

February 1, 2016