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

James A Martenson, MD

Individual provider Radiation Oncology Physician · NPI 1679550958

James A Martenson, MD is a Radiation Oncology Physician in Rochester, Minnesota. Licensed in Minnesota and Wisconsin. Registered with an NPI since 2005.

Licensed in
MN, WI
In the registry since
2005
Specialties on file
3
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

200 1st St SW
Rochester, MN 55905-0001
Phone: (507) 284-2511
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 27169 (MN)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 23272 (WI)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 81233 (WI)

Record details

NPI number1679550958
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 28, 2005
Last updated in NPPESFebruary 9, 2024
Certification dateFebruary 9, 2024
Mailing address200 1st St Sw, Rochester, MN 55905-0001

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