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

Mary Katharine Johnson, APRNCNP

Individual provider Oncology Registered Nurse · NPI 1477923662

Mary Katharine Johnson, APRNCNP is an Oncology Registered Nurse in Minneapolis, Minnesota. Practices as a sole proprietor. Licensed in Minnesota.

Licensed in
MN
In the registry since
2015
Specialties on file
2
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Practice location Address checks out

701 Park Ave
Minneapolis, MN 55415-1623 Not confirmed with CMS for 11 years — call before visiting
Phone: (612) 873-1829
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Oncology Registered Nurse (primary) Taxonomy 163WX0200X · Licence CNP 3620 (MN)
Oncology Registered Nurse Taxonomy 163WX0200X · Licence 147144-7 (MN)

Record details

NPI number1477923662
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRNCNP
Sole proprietorYes
NPI enumeratedSeptember 30, 2015
Last updated in NPPESSeptember 30, 2015

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients22
Services billed 77 a service is one billed item, such as a visit, a test or a procedure
Average patient age71

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

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