Fax numbers: (You can also scan and email to fax@caduceusmedicalgroup.com for any location) Yorba Linda Primary Care (YLFP) 714-572-1679 Specialty 714-223-1864 Caduceus 4 Kids and Caduceus for Women 714-524-4476 Medical Records 714-572-1679 Irvine- 949-428-0333 Laguna Beach-  949-499-0537 Telones (Billing office) 714-572-2562