Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Charlotte Mertens, RN

Individual provider School Registered Nurse · NPI 1861303356

Charlotte Mertens, RN is a School Registered Nurse in Markesan, Wisconsin. Practices as a sole proprietor. Licensed in Wisconsin.

Licensed in
WI
In the registry since
2026
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

100 E Vista Blvd
Markesan, WI 53946-8598
Phone: (920) 398-4301
Show map & directions

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

Specialties & licences

School Registered Nurse (primary) Taxonomy 163WS0200X · Licence 128179-30 (WI)

Record details

NPI number1861303356
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorYes
NPI enumeratedSeptember 15, 2026
Last updated in NPPESSeptember 15, 2026
Certification dateSeptember 15, 2026