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

Marian Stefan Kosmowski, MD

Individual provider Diagnostic Radiology Physician · NPI 1871562280

Marian Stefan Kosmowski, MD is a Diagnostic Radiology Physician in Sioux City, Iowa. Licensed in Iowa and Nebraska. Registered with an NPI since 2006.

Licensed in
IA, NE
In the registry since
2006
Specialties on file
2
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 5th St
Sioux City, IA 51101-1394
Phone: (308) 647-4900
Fax: (308) 647-5378
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 33927 (IA)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 23253 (NE)

Record details

NPI number1871562280
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 16, 2006
Last updated in NPPESJuly 8, 2007

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