IndividualActive
Kathryn Brennan
NPI 1609997360 · Registered Nurse · Mchenry, IL
Kathryn Brennan is a Registered Nurse provider in Mchenry, IL (NPI 1609997360).
Provider details
- NPI number
- 1609997360
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Nursing Service Providers
Profile Score
Detailed profile(83/100 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
83% 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
4100 Veterans Parkway
Mchenry, IL 60050
Phone: (815) 385-6400
Street-level locationGet directions
Mailing address
4100 Veterans Parkway
Mchenry, IL 60050
Registry dates
- Enumerated
- 2007-04-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Kathryn Brennan's NPI number?
- Kathryn Brennan's National Provider Identifier (NPI) is 1609997360, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Brennan's specialty?
- Kathryn Brennan is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Kathryn Brennan located?
- Kathryn Brennan's practice location on file with NPPES is 4100 Veterans Parkway, Mchenry, IL 60050.
- What is Kathryn Brennan's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Brennan is (815) 385-6400.
- Is Kathryn Brennan's NPI active?
- Yes — Kathryn Brennan's NPI (1609997360) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.