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

Gregory Janzen, RN

Individual provider Critical Care Medicine Registered Nurse · NPI 1528865342

Gregory Janzen, RN is a Critical Care Medicine Registered Nurse in Kansas City, Missouri. Licensed in Wisconsin. Registered with an NPI since 2025.

Licensed in
WI
In the registry since
2025
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

4801 E Linwood Blvd
Kansas City, MO 64128-2226
Phone: (816) 861-4700
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Critical Care Medicine Registered Nurse (primary) Taxonomy 163WC0200X · Licence 23790-30 (WI)

Record details

NPI number1528865342
Entity typeIndividual (Type 1)
GenderMale
Credentials RN
Sole proprietorNo
NPI enumeratedFebruary 27, 2025
Last updated in NPPESFebruary 27, 2025
Certification dateFebruary 27, 2025

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