EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated September 28, 2001, relating to the consolidated financial statements and financial statement schedule, which appears in Fonar Corporation's Annual Report on Form 10-K for the year ended June 30, 2001. We also consent to the reference to us under the heading "Experts" in such Registration Statement. /s/ Grassi & Co, CPA's P.C. Grassi & Co, CPA's P.C. New York, New York October 23, 2001