Dr. Jeff Michael Hamman, MD

Dr. Jeff Hamman is an internal medicine and pediatrics physician who earned his medical degree from the University of Illinois at Chicago College of Medicine. With 22 years of experience in healthcare, he provides comprehensive care for patients across all age groups, from newborns to adults. His dual specialty training allows him to offer continuity of care for entire families.

Dr. Hamman practices at Kaiser Permanente in Elk Grove, California, where he focuses on managing high blood pressure and chronic kidney disease in his adult patients. He also provides specialized pediatric care for children with high blood pressure. His services include preventive care such as flu and shingles vaccinations, and he offers virtual care appointments for patient convenience. Patients rate him 4.4 out of 5 stars on average.