IndividualActive
Karen Herold, RNP
NPI 1164544722 · Women's Health Nurse Practitioner · Duarte, CA
Provider details
- NPI number
- 1164544722
- Entity type
- Individual
- Primary specialty
- Women's Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RNP
- Sex
- Female
- Sole proprietor
- No
- License
- NP 10243 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
Detailed profile(98/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1500 E. Duarte Road
Duarte, CA 91010
Phone: (626) 256-4673
Street-level locationGet directions
Mailing address
Po Box 512185
Los Angeles, CA 90051-0185
Additional practice locations (2)
- 1920 Marengo StLos Angeles, CA 90033-1317Phone: (323) 223-4462
- 1920 Marengo StLos Angeles, CA 90033-1317Phone: (323) 223-4462
Registry dates
- Enumerated
- 2007-04-04
- Last updated
- 2023-11-27
- Certified
- 2020-11-02
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.