EXHIBIT 16 September 27, 1999 Mr. Brad Barry Chief Financial Officer CoreCare Systems, Inc. 111 N. 49th Street Philadelphia, PA 19139 Re: CoreCare Systems, Inc. File No. 0-24807 Form 8-K Dear Mr. Barry: This is to confirm that the client-auditor relationship between CoreCare Systems, Inc. (Commission File Number: 0-24807) and Schiffman Hughes Brown has ceased. Furthermore, in accordance with Items 304(a)(1)(iv) and (v) of Regulation S-B, we agree with the revised disclosures submitted by the company in Form 8-K. There were no disagreements concerning the 1998 and 1997 financial reporting and disclosures information. Schiffman Hughes Brown has not audited nor reviewed any 1999 financial information prepared by the Company, and as a result has no opinion on the interim statements for 1999 as it may pertain to Items 304(a)(1)(iv) and (v) of Regulation S-B. Very truly yours, Schiffman Hughes Brown Blue Bell, PA [/R]