Carol Horwitt, ARNP
NPI 1588748297 · Obstetrics & Gynecology Nurse Practitioner · Seattle, WA
Carol Horwitt, ARNP is a Obstetrics & Gynecology Nurse Practitioner provider in Seattle, WA (NPI 1588748297).
Provider details
- NPI number
- 1588748297
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- RN00045364 (WA)
Specialties & taxonomies
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
19 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
- 2006-10-25
- Last updated
- 2008-09-19
Frequently asked questions
- What is Carol Horwitt's NPI number?
- Carol Horwitt's National Provider Identifier (NPI) is 1588748297, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carol Horwitt's specialty?
- Carol Horwitt is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Carol Horwitt located?
- Carol Horwitt's practice location on file with NPPES is 1229 Madison St Ste 1450, Seattle, WA 98104-3538.
- What is Carol Horwitt's phone number?
- The practice phone number listed in the NPPES registry for Carol Horwitt is (206) 215-6300.
- Is Carol Horwitt's NPI active?
- Yes — Carol Horwitt's NPI (1588748297) is active in the NPPES registry as of the last update on 2008-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.