Katherine Gieseke, WHNP
Family Nurse Practitioner · Willowbrook, IL
Katherine Gieseke, WHNP is a family nurse practitioner with a practice address in Willowbrook, Illinois, and NPI 1144920323, issued on Mar 7, 2023. Check the license (Illinois 041395700, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Gieseke
- Credential
- WHNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 041395700 IL
209025503 ID
Self-reported in NPPES; status is on the state search - Practice location
- 545 Plainfield RD Ste C, Willowbrook, IL 60527
- Phone
- (630) 601-1889
- Enumerated
- Mar 7, 2023
- Record last updated
- Mar 7, 2023
- Fax
- (630) 655-3270
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →
Also registered at 545 Plainfield RD Ste C
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Gieseke in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 041395700Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family nurse practitioner in 2024
21 Medicare Part D claims for 11 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $293.91
10 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Katherine Gieseke among 7,639 family nurse practitioner records in Illinois
Katherine Gieseke, WHNP is one of 7,639 family nurse practitioner records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 78% of them.
- NPI issued2023 · 78% of these records are older, 15% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2023 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
88 family nurse practitioner records list a practice address in Willowbrook
They are 88 of the 453 NPPES records with a practice address in Willowbrook, and 7,639 family nurse practitioner records in Illinois.
All 7,639 in Illinois → Every provider in Willowbrook → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Krystina Blas, FNPBurr Ridge, IL 605271790137180
- Susy Cherian, DNP,MSN, RN, FNP-BCBurr Ridge, IL 605271962936435
- Dyenina Donnelly, FNP-BCBurr Ridge, IL 605271144687625
- Krista Haun, FNPWillowbrook, IL 605271770902280
- Shannon HoudaWillowbrook, IL 605271811322027
- Tiffany Migon, APNBurr Ridge, IL 605271609225358
- Sheeba Murphy, FNP-BCBurr Ridge, IL 605271750806923
- Gina Neis, APNBurr Ridge, IL 605271558714212
Common questions
What is Katherine Gieseke, WHNP's NPI number?
Katherine Gieseke, WHNP's National Provider Identifier (NPI) is 1144920323, issued on Mar 7, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Gieseke, WHNP located?
The NPPES record lists a practice address at 545 Plainfield RD Ste C, Willowbrook, IL, 60527. Phone: (630) 601-1889. Providers update this record themselves, so call before visiting.
How can I verify Katherine Gieseke, WHNP's license?
NPPES lists Illinois license number 041395700, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Gieseke, WHNP prescribe under Medicare Part D?
In 2024, Katherine Gieseke, WHNP had 21 Medicare Part D claims for 11 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.