Dr. Ralph Koldinger, MD

Dr. Ralph Koldinger, MD

Gastroenterology  ·  
Male  ·  
Age 81
Dr. Ralph Koldinger, MD is a gastroenterology specialist in Sacramento, CA and has been practicing for 47 years. He graduated from George Washington University / School Of Medicine and Health Sciences in 1963 and specializes in gastroenterology.

3941 J St Ste 450

Sacramento, CA 95819

Contact Information

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • Cigna
  • MultiPlan
  • Western Health Advantage

*Please verify this information when scheduling an appointment.

Learn about Dr. Koldinger

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.

Top Care Areas

See how frequently Dr. Koldinger performs your care needs compared to other doctors.

very high
more than 99% of peers
more than 80% of peers
Gastroesophageal Reflux Disease (GERD)
more than 78% of peers

Dr. Koldinger's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

1  Specialties

  • Gastroenterology

2  Board Certifications

  • Gastroenterology
    Accredited by: American Board of Internal Medicine*
  • Internal Medicine
    Accredited by: American Board of Internal Medicine*

47  Conditions Treated

Read Less

4  Procedures

Background Check

0 Malpractice Claims

No malpractice history found for California.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • George Washington University / School Of Medicine and Health Sciences
    Medical School | Graduated 1963
  • Uc Med Center
    Internship Hospital | Completed 1964
  • Mayo Grad School Med
    Residency Hospital | Completed 1967
  • Uc Med Center
    Residency Hospital | Completed 1965
  • Uc Med Center
    Fellowship Hospital | Completed 1971

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Koldinger has no media or publications listed.

Languages Spoken

  • English
  • French

Memberships & Professional Affiliations

Dr. Koldinger does not have any memberships or affiliations listed. If you are Dr. Koldinger and would like to add memberships or affiliations, please update your profile.

Dr. Koldinger's Reviews

Likelihood of recommending Dr. Koldinger to family and friends
7 total reviews

Likelihood to Recommend (7)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Koldinger's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    10 to 15 minutes
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