Dr. David Portugal, MD

Dr. Portugal will be leaving his practice with Memorial Hermann Medical Group (MHMG) on 05/09/2025. If you plan to continue your care with any other MHMG provider in the network, you do not need to take any action. All MHMG providers use the same electronic health record and your medical records will remain secure with MHMG. Should you seek health care outside the Memorial Hermann Health System and need your records released to you or to another physician, please visit Patient Service to complete your request.

Dr. Portugal’s medical degree is from McGovern Medical School at The University of Texas Health Science Center at Houston (UTHealth), and he completed his residency and fellowship training at Tufts University School of Medicine in Boston. He has been in private practice for 12 years, and is board certified in Internal Medicine with subspecialty certifications in Cardiovascular Diseases, Nuclear Cardiology and Interventional Cardiology. His clinical interests include treating clogged arteries, blockages and congestive heart failure, and using minimally invasive treatments for prevention and intervention.

Dr. Portugal provides patient-centered, comprehensive cardiac care. He believes in the importance of combining traditional bedside diagnostic techniques and cutting-edge cardiovascular imaging to prevent, diagnose and treat cardiovascular diseases. Twice named one of the Best Doctors in America in Cardiovascular Disease by his peers, Dr. Portugal was also honored as one of America’s Top Physicians in Interventional Cardiology by the Consumers’ Research Council of America in 2004. He lives in Bellaire with his family, and plays golf and tennis in his free time.