Physician Departures

New Patient Appointment or 214-645-8300

UT Southwestern has many fine physicians providing expert medical care for our patients. Routinely, we have physicians who close their practice to retire or relocate. Your clinic will be happy to recommend a new provider to assume your care.

Patient medical records may be obtained by calling 214-456-3030 (UTSW) or 214-456-2509 (Children's Health Dallas).

The following physicians are preparing to close their practice at UT Southwestern on the following dates:

Sonia Arias-Franklin, M.D. – March 26, 2025

Karen Brewer-Mixon, Ph.D. – Jan. 31, 2025

John Cain, M.D. – Jan. 31, 2025

Matthew Campbell, M.D. – April 25, 2025

David Fixler, M.D. – Jan. 31, 2025

Michael Khazzam, M.D. – Feb. 28, 2025

May Lau, M.D. – April 4, 2025

James MacNamara, M.D. – April 24, 2025

Shamin Masrour, D.O. – Feb. 3, 2025

James Mitlyng, M.D. – Jan. 28, 2025

Micah Nishigaki, M.D. – April 8, 2025

Gunjan Singh, M.D. – May 31, 2025