H. Ray Rassai

H. Ray Rassai



Surgical Critical Care
Advanced Laparoscopic


Dr. Rassai earned his Bachelor of Science in biochemistry with honors from the University of California, Davis. He then received his medical degree from the Medical College of Pennsylvania. Following his passion for surgery, he completed a general surgery residency at the University of California Davis/ San Joaquin General Hospital.

In 2000, he joined East Bay Surgical Associates, where he practiced general, minimally invasive, endocrine, venous and trauma surgery. In 2007, he took a three-year sabbatical from private practice and returned to San Joaquin General Hospital as an associate professor and chairman of the Department of Surgery.

In early 2010, Dr. Rassai concluded his sabbatical and returned to private practice with East Bay Surgical Associates, which merged with BASS Medical Group in 2010. Jan 2022 Dr. Rassai was elected Chief of Staff at John Muir Walnut Creek Medical Center Where he will serve till Dec 2023.

Medical School: Medical College of Pennsylvania in Philadelphia, PA
Internship: San Joaquin General Hospital in Stockton, CA
Residency: San Joaquin General Hospital in Stockton, CA and University of California Davis in Davis, CA


Sutter Delta Medical Center
John Muir Health Walnut Creek Medical Center
John Muir Health Concord Medical Center