IndividualActive
Katherine Tazelaar
NPI 1427840859 · Emergency Registered Nurse · Romeoville, IL
Katherine Tazelaar is a Emergency Registered Nurse provider in Romeoville, IL (NPI 1427840859).
Provider details
- NPI number
- 1427840859
- Entity type
- Individual
- Primary specialty
- Emergency Registered NurseNursing Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 041459156 (IL)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
1 University Pkwy
Romeoville, IL 60446-1832
Phone: (815) 838-0500
Street-level locationGet directions
Mailing address
1 University Pkwy
Romeoville, IL 60446-1832
Registry dates
- Enumerated
- 2025-05-21
- Last updated
- 2025-05-21
- Certified
- 2025-05-21
Frequently asked questions
- What is Katherine Tazelaar's NPI number?
- Katherine Tazelaar's National Provider Identifier (NPI) is 1427840859, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Tazelaar's specialty?
- Katherine Tazelaar is listed in the NPPES registry with a primary specialty of Emergency Registered Nurse (Nursing Service Providers).
- Where is Katherine Tazelaar located?
- Katherine Tazelaar's practice location on file with NPPES is 1 University Pkwy, Romeoville, IL 60446-1832.
- What is Katherine Tazelaar's phone number?
- The practice phone number listed in the NPPES registry for Katherine Tazelaar is (815) 838-0500.
- Is Katherine Tazelaar's NPI active?
- Yes — Katherine Tazelaar's NPI (1427840859) is active in the NPPES registry as of the last update on 2025-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.