Kathryn Brennan
Registered Nurse · McHenry, IL
Kathryn Brennan is a registered nurse with a practice address in McHenry, Illinois, and NPI 1609997360, issued on Apr 2, 2007. Check the license with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Kathryn Brennan
- Primary taxonomy
- Registered Nurse 163W00000X
- Practice location
- 4100 Veterans Parkway, McHenry, IL 60050
- Phone
- (815) 385-6400
- Enumerated
- Apr 2, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 4100 Veterans Parkway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michelle BakerAddiction (Substance Use Disorder) Counselor1649486259
- Deann BlaskoProfessional Counselor1790806453
- Scott CambpellClinical Social Worker1770799694
- Rosaura CarbajalCounselor1871709477
- Valeriana CarbajalMental Health Counselor1366658973
Verify Kathryn Brennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17 registered nurse records list a practice address in McHenry
They are 17 of the 1,852 NPPES records with a practice address in McHenry, and 2,628 registered nurse records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17 in McHenry → All 2,628 in Illinois → Every provider in McHenry →
Other registered nurse records in Illinois
- Hannah Aba, RNLombard, IL1285248765
- Cindy AbundizAddison, IL1831907823
- Jean Ackerson, APRN-BCWauconda, IL1932458189
- Carrie AdamanyRockford, IL1912407966
- Kelsie AdamsSpringfield, IL1568255081
- Lynnetta AdamsBlue Island, IL1396628095
- Rachelle Adams, RNMount Carmel, IL1174272660
- Micaela Adams-Carr, MSN, RNKankakee, IL1992476840
- Suset AdanWestmont, IL1144198672
- Craig AddisonChicago, IL1568856219
Common questions
What is Kathryn Brennan's NPI number?
Kathryn Brennan's National Provider Identifier (NPI) is 1609997360, issued on Apr 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Brennan located?
The NPPES record lists a practice address at 4100 Veterans Parkway, McHenry, IL, 60050. Phone: (815) 385-6400. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Brennan's license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.