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

Karen Merzenich, CNM, WHNP

Individual provider Registered Nurse · NPI 1003586363

Karen Merzenich, CNM, WHNP is a Registered Nurse in Napa, California. Licensed in California. Registered with an NPI since 2021.

Licensed in
CA
In the registry since
2021
Specialties on file
3
What do these letters mean?
CNM — Certified Nurse-Midwife
An advanced practice nurse who provides prenatal care and delivers babies.
WHNP — Women's Health Nurse Practitioner
A nurse practitioner specialising in women's health.

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Practice location Address checks out

300 Hartle Ct
Napa, CA 94559-4078
Phone: (707) 254-1775
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Advanced Practice Midwife (primary) Taxonomy 367A00000X · Licence 236203 (CA)
Registered Nurse Taxonomy 163W00000X · Licence 95174102 (CA)
Women's Health Nurse Practitioner Taxonomy 363LW0102X · Licence 95018166 (CA)

Record details

NPI number1003586363
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNM , WHNP
Sole proprietorNo
NPI enumeratedSeptember 17, 2021
Last updated in NPPESSeptember 17, 2021
Certification dateSeptember 17, 2021

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