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

Individual provider Nephrology Physician · NPI 1831181957

James Grant Barr, MD, PHD is a Nephrology Physician in Columbia, Tennessee. Licensed in Tennessee. Registered with an NPI since 2005.

Licensed in
TN
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

854 W James Campbell Blvd Ste 101A
Columbia, TN 38401-4659
Phone: (931) 388-3209
Fax: (931) 388-0105
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Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 17679 (TN)

Record details

NPI number1831181957
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedAugust 16, 2005
Last updated in NPPESMay 24, 2012
Mailing address854 W James Campbell Blvd, Ste. 101a, Columbia, TN 38401-4659

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