Dr. Dieguez Jr. is an Anesthesiologist/Interventionional Pain Specialist and a Fellow of the Interventional Orthobiologic Foundation. He has practiced in Saint Augustine since 1988.  He is a graduate of the prestigious European University of Santiago de Compostela School of Medicine in Spain, a University founded over five hundred years ago in 1495.  Coincidentally, this was the same medical school that his maternal grandfather had graduated from in 1906.

After graduation, Dr. Dieguez served as an unpaid intern in the Department of Surgery at the University under the tutelage of Professor and Department Chairman Jose Luis Puente Dominguez, a member of the Royal Academy of Medicine and Surgery of Spain. Upon returning to the United States, he served as a surgical resident in Baltimore Maryland at a Johns Hopkins affiliated surgical program. Later he went on to the prestigious University of Miami, Florida, where he completed his Anesthesiology residency.