Kenneth K Hsu MD FACR, FACP is retiring from the practice of Rheumatology on March 1, 2020 Dr. Hsu will continue to take appointments and see patients through February 28, 2020. For a copy of your medical record or to have it forwarded to another physician, Please call or stop by the office before February 28, 2020 to sign a release form. Phone: 661-322-2329 Fax: 661-322-3625 Kenneth K Hsu MD FACR, FACP is retiring from the practice of Rheumatology on March 1, 2020 Dr. Hsu will continue to take appointments and see patients through February 28, 2020. For a copy of your medical record or to have it forwarded to another physician, Please call or stop by the office before February 28, 2020 to sign a release form. Phone: 661-322-2329 Fax: 661-322-3625