Dr. Jeffrey C. Mark graduated from the University of Illinois, Chicago College of Medicine in 1992. He works in San Ramon, CA and 2 other locations and specializes in Gastroenterology and Internal Medicine. Dr. Mark is affiliated with Doctors Medical Center Modesto, Emanuel Medical Center, John Muir Medical Center Concord, Oak Valley Hospital and San Ramon Regional Medical Center. He speaks English and Spanish.View More
Languages Spoken: English, Spanish
Gastroenterology, Internal Medicine
Medical School: University of Illinois, Chicago College of Medicine; Graduated 1992
*This physician has multiple office locations. See Office Information for details.