


Dr. Ralph Koldinger, MD
Dr. Ralph Koldinger, MD is a gastroenterologist in Sacramento, CA and has over 60 years of experience in the medical field. He graduated from George Washington University School of Medicine & Health Sciences in 1963. He is affiliated with Sutter Medical Center-Ose Adams Medical Pavilion. He is accepting new patients.
Practice
3941 J St Ste 450 Sacramento, CA 95819Make an Appointment
Hospital Highlight
Dr. Koldinger is affiliated with Sutter Medical Center-Ose Adams Medical Pavilion Sacramento, a highly rated and top awarded hospital for gastroenterology.
At a Glance
- Areas of ExpertiseDr. Koldinger specializes in the areas of Gastroenterology & Internal Medicine. • See board certifications
- Explains Conditions Well
- Practices at Top Hospital
- Hospital Satisfaction

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Dr. Koldinger's Reviews
Likelihood to recommend Dr. Koldinger
5.0
5 Star | 100% | 100% |
4 Star | 0% | 0% |
3 Star | 0% | 0% |
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1 Star | 0% | 0% |
Overall Patient Satisfaction
Likelihood of recommending Dr. Koldinger to family and friends is 5 out of 5
About Me
biography
Dr. Ralph Koldinger, MD is a gastroenterologist in Sacramento, CA and has over 60 years of experience in the medical field. He graduated from George Washington University School of Medicine & Health Sciences in 1963. He is affiliated with Sutter Medical Center-Ose Adams Medical Pavilion. He is accepting new patients.Gastroenterology
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Uc Medical Center
Fellowship Hospital, 1971Mayo Grad School Of Medicine
Residency Hospital, 1967Uc Medical Center
Residency Hospital, 1965Uc Medical Center
Internship Hospital, 1964George Washington University School Of Medicine & Health Sciences
Medical School, 1963
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Focus on IBD
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Practice
Affiliated Hospitals
- Recipient of 19
hospital awardsAmerica’s 100 Best Hospitals for Gastrointestinal Surgery Award™ (2025, 2024)
Superior clinical outcomes in bowel obstruction treatment, colorectal surgeries, gallbladder removal, and upper gastrointestinal surgery
View all awardsSurgical Care Excellence Award™ (2025, 2024, 2023)
Superior clinical outcomes in bowel obstruction treatment, colorectal surgeries, gallbladder removal, and upper gastrointestinal surgery
View all patient feedbackHow patients felt about the care they received at this hospital.
88%Patients said they were given information about recovering at home4% higher than the national average
77%Patients said that doctors always listened to them and explained things well1% higher than the national average
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