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Dr. George Mammen MD

Dr. George Mammen MD

Interventional Cardiologist

Memorial Hermann Katy Hospital
(713) 464-2928


Dr. George Mammen grew up in Kerala, India, and earned his medical degree at Trivandrum Medical College. He completed his residency in internal medicine at South Baltimore General Hospital and a cardiology fellowship at St. Luke’s Episcopal Hospital, Texas Heart Institute, Houston.

Board certified in internal medicine and cardiology, Dr Mammen’s clinical interests are interventional cardiology and cardiovascular diseases, with particular focus on invasive procedures such as angioplasty, stent implantation and pacemakers. In practice in Houston since 1982, he obtained his certification in interventional cardiology in 2000. He is trained in all aspects of adult cardiology with emphasis on coronary artery disease and heart failure.

Active in hospital and physician affairs, Dr. Mammen has served as chief of cardiology at Memorial Hermann Memorial City Medical Center and medical director of the intensive care unit at Memorial Hermann Katy Hospital.

Dr. Mammen's personal interests include tennis and skiing. He likes to spend his spare time with his wife and three children.

Physician Details

Mon 8:00 AM - 10:30 AM
Wed 1:00 PM - 3:45 PM
Medical Education
Kerala University, 1973
Internships & Residency
South Baltimore General Hospital, 1979
St Lukes Episcopal Hospital of Houston, 1980
Clinical Interests
Coronary Angioplasty, Heart Attacks, Heart Failure, Pacemakers
PCP Number
Cities Served
Alief, Barker, Bellaire, Brookshire, Cypress


ZIP Codes Served
77005, 77007, 77008, 77018, 77019, 77024, 77027


Insurance Accepted

  • Aetna (Most Benefit Plans)
  • Aetna Medicare
  • Aetna Memorial Hermann
  • Blue Cross Blue Shield Texas
  • Blue Medicare Advantage PPO
  • Cigna (Most Benefit Plans)
  • Community Health Choice Marketplace QHP
  • Humana Gold Plus HMO
  • Memorial Hermann Advantage HMO
  • Memorial Hermann Advantage PPO
  • Memorial Hermann Solutions
  • Multiplan
  • United Healthcare (Most Benefit Plans)