EXHIBIT 99.3 CONSENT OF J. TAYLOR CRANDALL The undersigned, J. Taylor Crandall, hereby consents to being named in the Registration Statement on Form S-4 of American Oncology Resources, Inc. (the "Company") and any preliminary prospectus or prospectuses to be filed in connection therewith as a person to be appointed a director of the Company. /s/ J. TAYLOR CRANDALL --------------------------------------- J. Taylor Crandall