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

Karen Marhoffer, MSN, APRN, FNP

Individual provider Family Nurse Practitioner · NPI 1194512178

Karen Marhoffer, MSN, APRN, FNP is a Family Nurse Practitioner in Northridge, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2025
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

19871 Nordhoff St
Northridge, CA 91324-3331
Phone: (818) 359-8833
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 95026455 (CA)

Record details

NPI number1194512178
Entity typeIndividual (Type 1)
GenderNot disclosed
Credentials MSN , APRN , FNP
Sole proprietorYes
NPI enumeratedApril 22, 2025
Last updated in NPPESAugust 4, 2026
Certification dateAugust 4, 2026

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