Katy Marie Knolhoff
Nurse Practitioner · Breese, IL
Katy Marie Knolhoff is a nurse practitioner with a practice address in Breese, Illinois, and NPI 1386226504, issued on Apr 27, 2021. Check the license (Illinois 209023020, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katy Marie Knolhoff
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 209023020 IL
Self-reported in NPPES; status is on the state search - Practice location
- 9401 Holy Cross LN Ste 223, Breese, IL 62230
- Phone
- (618) 526-7271
- Enumerated
- Apr 27, 2021
- Record last updated
- Mar 28, 2024
- Medicare enrollment
- Enrolled (PECOS I20210723000022); accepts Medicare assignment
- Entity
- Type 1 · individual
Verify Katy Marie Knolhoff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209023020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average nurse practitioner in 2024
126 Medicare Part D claims for 88 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone18 claims
- Cephalexin14 claims
- Azithromycin13 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.
Bills Medicare through one group practice
- St Josephs Hospital Breese OF The Hospital Sisters OF The Third OrdeBreese, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
13 nurse practitioner records list a practice address in Breese
They are 13 of the 122 NPPES records with a practice address in Breese, and 4,892 nurse practitioner records in Illinois.
All 13 in Breese → All 4,892 in Illinois → Every provider in Breese →
Other nurse practitioner records in Illinois
- Janice Abadilla, FNP-BCPeoria, IL1548157175
- Philomena AbebePark Ridge, IL1902780174
- Milagros Abellera, APNChicago, IL1528076239
- Edwina Abloh, APN-CNPSkokie, IL1689314098
- Sandra Abraham, CNPDwight, IL1982883245
- Sharon Abraham, APN-CNPArlington Heights, IL1396485884
- Hazel Acacio, APNPWauconda, IL1205471679
- Anthony Aceto, APRN, FNP-CSchaumburg, IL1891302956
- Francisco Acevedo, APRN, CNPMokena, IL1467446930
- Mina Acevedo, APRNGlenview, IL1972174688
Common questions
What is Katy Marie Knolhoff's NPI number?
Katy Marie Knolhoff's National Provider Identifier (NPI) is 1386226504, issued on Apr 27, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Katy Marie Knolhoff located?
The NPPES record lists a practice address at 9401 Holy Cross LN Ste 223, Breese, IL, 62230. Phone: (618) 526-7271. Providers update this record themselves, so call before visiting.
How can I verify Katy Marie Knolhoff's license?
NPPES lists Illinois license number 209023020, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Katy Marie Knolhoff prescribe under Medicare Part D?
In 2024, Katy Marie Knolhoff had 126 Medicare Part D claims for 88 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.