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

James Roat, MD

Individual provider Gastroenterology Physician · NPI 1457331621

James Roat, MD is a Gastroenterology in Sioux City, Iowa. Graduated from George Washington University School of Medicine in 1977, 49 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
49
Trained at
George Washington University School of Medicine
Licensed in
IA
In the registry since
2006
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

2910 Hamilton Blvd Ste 103
Sioux City, IA 51104-2423
Phone: (712) 252-1322
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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 23838 (IA)

Record details

NPI number1457331621
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 22, 2006
Last updated in NPPESJuly 8, 2007
Mailing address2910 Hamilton Blvd, Ste 103, Sioux City, IA 51104-2423

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1977 (49 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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