Gregory S. Thomas, MD, MPH, FACC, FASNC

Dr. Thomas is the medical director for the MemorialCare Heart & Vascular Institute at Long Beach Medical Center.

Bringing more than 25 years of clinical, research and leadership experience, Dr. Thomas' vision for the future is to increase philanthropy, develop more research opportunities, build on a culture of excellence and create more synergy between physicians, clinical staff and the hospital.

Serving as a principal investigator on more than 50 clinical trials, Dr. Thomas will work with the MHVI physician and clinical team to help make tomorrow's medicines a reality today, building on the tradition of landmark research performed at MHVI. Dr. Thomas is perhaps best known as the co-leader of a joint US-Egyptian team that discovered that ancient Egyptian mummies had atherosclerosis. His teams findings in Egypt have been reported globally and in the Journal of the American Medical Association.

He earned his medical degree from the University of California, San Francisco, where he also was a Regents Scholar. While in medical school, he studied at the University of California, Berkeley, earning a Masters of Public Health in Health Policy. Postgraduate training including an internship, residency and fellowship at Massachusetts General Hospital, Harvard Medical School and Cedars-Sinai Medical Center.

This physician is a member of the MemorialCare Physician Society, which drives clinical outcomes and performance for MemorialCare Health System.


  • Cardiology
  • Internal Medicine


UC Berkeley

MemorialCare Hospital Affiliations