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

Karri L Ratzlaff, RN, MS

Individual provider Nurse Practitioner · NPI 1467571851

Karri L Ratzlaff, RN, MS is a Nurse Practitioner in Janesville, Wisconsin. Qualified in 2006, 20 years ago. Practices with Mercy Health System Corporation, a 751-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
20
Licensed in
WI
In the registry since
2007
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

1000 Mineral Point Ave
Janesville, WI 53548-2940
Phone: (608) 756-6611
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 3038 (WI)

Record details

NPI number1467571851
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , MS
Sole proprietorNo
NPI enumeratedMarch 28, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Mercy Health System Corporation — 751 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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