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

Dr. Oliver D Gilliam, MD

Individual provider Gastroenterology Physician · NPI 1497759765

Dr. Oliver D Gilliam, MD is a Gastroenterology Physician in South Bend, Indiana. Licensed in Indiana. Registered with an NPI since 2005.

Licensed in
IN
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

17501 Generations Dr
South Bend, IN 46635-1589
Phone: (574) 234-0049
Fax: (574) 251-2861
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 01035882A (IN)

Record details

NPI number1497759765
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 2, 2005
Last updated in NPPESJanuary 21, 2011

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