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

Karen N Herold, RNP

Individual provider Nurse Practitioner · NPI 1164544722

Karen N Herold, RNP is a Nurse Practitioner in Duarte, California. Works from 3 locations. Licensed in California.

Licensed in
CA
In the registry since
2007
Specialties on file
2
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Practice location Address checks out

1500 E Duarte Rd
Duarte, CA 91010
Phone: (626) 256-4673
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1920 Marengo St, Los Angeles, CA 90033-1317 — (323) 223-4462
  • 1920 Marengo St, Los Angeles, CA 90033-1317 — (323) 223-4462

Specialties & licences

Women's Health Nurse Practitioner (primary) Taxonomy 363LW0102X · Licence 10243 (CA)
Nurse Practitioner Taxonomy 363L00000X · Licence NP 10243 (CA)

Record details

NPI number1164544722
Entity typeIndividual (Type 1)
GenderFemale
Credentials RNP
Sole proprietorNo
NPI enumeratedApril 4, 2007
Last updated in NPPESNovember 27, 2023
Certification dateNovember 2, 2020

Other providers in Duarte