Karen Witherly, FNP
NPI 1093962094 · Family Nurse Practitioner · Oceanside, CA
Karen Witherly, FNP is a Family Nurse Practitioner provider in Oceanside, CA (NPI 1093962094).
Provider details
- NPI number
- 1093962094
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 226772 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Mailing address
Registry dates
- Enumerated
- 2008-08-20
- Last updated
- 2008-08-20
Frequently asked questions
- What is Karen Witherly's NPI number?
- Karen Witherly's National Provider Identifier (NPI) is 1093962094, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Witherly's specialty?
- Karen Witherly is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Witherly located?
- Karen Witherly's practice location on file with NPPES is 4402 Shearwater Way, Oceanside, CA 92057-7711.
- What is Karen Witherly's phone number?
- The practice phone number listed in the NPPES registry for Karen Witherly is (760) 721-7018.
- Is Karen Witherly's NPI active?
- Yes — Karen Witherly's NPI (1093962094) is active in the NPPES registry as of the last update on 2008-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.