Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Ralph E Koldinger, MD

Individual provider Gastroenterology Physician · NPI 1952421703

Ralph E Koldinger, MD is a Gastroenterology Physician in Sacramento, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3941 J St Ste 450
Sacramento, CA 95819
Phone: (916) 454-0655
Fax: (916) 454-5702
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence G9968 (CA)

Record details

NPI number1952421703
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 29, 2007
Last updated in NPPESJuly 10, 2015

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