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

James Knostman, MD

Individual provider Nephrology Physician · NPI 1306929377

James Knostman, MD is a Nephrology Physician in Billings, Montana. Licensed in Montana. Registered with an NPI since 2006.

Licensed in
MT
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

801 N 29th St
Billings, MT 59101-0905
Phone: (406) 238-2500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 3762 (MT)

Record details

NPI number1306929377
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 23, 2006
Last updated in NPPESDecember 4, 2014
Mailing addressPo Box 35100, Billings, MT 59107-5100

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