Welcome

Specialties

Internal Medicine. Please see FAQ titled "What is 'Internal Medicine'?" to learn more about our specialty.

Care Philosophy

San Antonio Preventive & Diagnostic Medicine has seven physicians - Dr. Patrice Alves, Dr. Richard Clemons, Dr. John Matlock, Dr. Tom Mieras, Dr. Al Mosqueda, Dr. Ed Sargent and Dr. Mark Riddoch. Our Mission: To deliver comprehensive adult healthcare in a caring and comfortable environment.