Sarah Knobbe, FNP-BC
Nurse Practitioner · Warrenville, IL
Sarah Knobbe, FNP-BC is a nurse practitioner with a practice address in Warrenville, Illinois, and NPI 1578032546, issued on Nov 19, 2018. Check the license (Illinois 209.018266, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sarah Knobbe
- Credential
- FNP-BC
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 209.018266 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4405 Weaver Pkwy, Warrenville, IL 60555
- Phone
- (630) 352-5450
- Enumerated
- Nov 19, 2018
- Record last updated
- Mar 12, 2024
- Fax
- (630) 352-5499
- Medicare enrollment
- Enrolled (PECOS I20190307001494); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →
Also registered at 4405 Weaver Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sarah Knobbe in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209.018266Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average nurse practitioner in 2024
34 Medicare Part D claims for 19 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
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.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationWarrenville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Knobbe among 4,892 nurse practitioner records in Illinois
Sarah Knobbe, FNP-BC is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 47% of them.
- NPI issued2018 · 47% of these records are older, 46% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2017 · median 2018 among the 3,389 with a school on file
- Record last updated2024 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 nurse practitioner records list a practice address in Warrenville
They are 22 of the 517 NPPES records with a practice address in Warrenville, and 4,892 nurse practitioner records in Illinois.
All 4,892 in Illinois → Every provider in Warrenville → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Madeline BiceWarrenville, IL 605551982189221
- Tonia Cabai, NP-CWarrenville, IL 605551245684018
- Marjorie Delaney, NPWarrenville, IL 605551649354069
- Brittany GraftWarrenville, IL 605551205373461
- Angela Gryzbek, M.S.N.Warrenville, IL 605551144616327
- Sherry Henricks, APN-CNPWarrenville, IL 605551841422623
- Mary Kay Larson, APNWarrenville, IL 605551124293691
- Christine Pontarelli, APRN, CNPWarrenville, IL 605551508401175
Common questions
What is Sarah Knobbe, FNP-BC's NPI number?
Sarah Knobbe, FNP-BC's National Provider Identifier (NPI) is 1578032546, issued on Nov 19, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Knobbe, FNP-BC located?
The NPPES record lists a practice address at 4405 Weaver Pkwy, Warrenville, IL, 60555. Phone: (630) 352-5450. Providers update this record themselves, so call before visiting.
How can I verify Sarah Knobbe, FNP-BC's license?
NPPES lists Illinois license number 209.018266, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Sarah Knobbe, FNP-BC prescribe under Medicare Part D?
In 2024, Sarah Knobbe, FNP-BC had 34 Medicare Part D claims for 19 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Sarah Knobbe, FNP-BC's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.