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

Mrs. Bertha M Klassen, CNP

Individual provider Family Nurse Practitioner · NPI 1801893227

Mrs. Bertha M Klassen, CNP is a Family Nurse Practitioner in Windom, Minnesota. Licensed in Minnesota. Registered with an NPI since 2005.

Licensed in
MN
In the registry since
2005
What do these letters mean?
CNP — Certified Nurse Practitioner
A certified nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

308 10th St
Windom, MN 56101-1451
Phone: (507) 831-2223
Fax: (507) 831-0135
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence R043454-0 (MN)

Record details

NPI number1801893227
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNP
Sole proprietorNo
NPI enumeratedJune 30, 2005
Last updated in NPPESOctober 24, 2007

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