Katherine Hennessey
Counselor · Northbrook, IL
Katherine Hennessey is a counselor with a practice address in Northbrook, Illinois, and NPI 1255299830, issued on Jan 13, 2026. Check the license (Illinois 178.020997, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Katherine Hennessey
- Primary taxonomy
- Counselor 101Y00000X
- License number
- 178.020997 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3100 Dundee RD Ste 101, Northbrook, IL 60062
- Phone
- (314) 609-7964
- Enumerated
- Jan 13, 2026
- Record last updated
- Jan 13, 2026
- Entity
- Type 1 · individual
Also registered at 3100 Dundee RD Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Aiello, LCPCProfessional Counselor1790478709
- Ximena Andrino, LPC, MAProfessional Counselor1518673219
- Cynthia BennerMental Health Counselor1780163956
- Gabrielle BenoitMental Health Counselor1609564863
- Jacob Borge, M.A., LPCMental Health Counselor1982473161
- Elliana BrodyPsychiatric/Mental Health Nurse Practitioner1588458590
Verify Katherine Hennessey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 178.020997Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29 counselor records list a practice address in Northbrook
They are 29 of the 2,226 NPPES records with a practice address in Northbrook, and 3,805 counselor records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 29 in Northbrook → All 3,805 in Illinois → Every provider in Northbrook →
Other counselor records in Illinois
- Cedric A Bussie, LCPCHomewood, IL1518855535
- Gina AaldersSummit, IL1578950135
- Gina Abbeduto, LCPCMinooka, IL1477649028
- Rosa AbbruscatoFranklin Park, IL1700333259
- Natalie AbdullahChicago, IL1629732789
- Chloe Abelev, MSWBelleville, IL1144785700
- Kalea Abernathy, LPCChicago, IL1528826013
- Jason AbramsChampaign, IL1790247443
- Jaclyn Abramson, LCPCDeerfield, IL1477367340
- Samantha AbrashkinWaukegan, IL1568999167
Common questions
What is Katherine Hennessey's NPI number?
Katherine Hennessey's National Provider Identifier (NPI) is 1255299830, issued on Jan 13, 2026. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Hennessey located?
The NPPES record lists a practice address at 3100 Dundee RD Ste 101, Northbrook, IL, 60062. Phone: (314) 609-7964. Providers update this record themselves, so call before visiting.
How can I verify Katherine Hennessey's license?
NPPES lists Illinois license number 178.020997, as entered by the provider. 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.