Peggy Knowski, NP-C
Family Nurse Practitioner · Springfield, IL
Peggy Knowski, NP-C is a family nurse practitioner with a practice address in Springfield, Illinois, and NPI 1497093264, issued on Jan 29, 2013. Check the license (Illinois 209010183, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Peggy Knowski
- Credential
- NP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 209010183 IL
Self-reported in NPPES; status is on the state search - Practice location
- 701 N 1St St, Springfield, IL 62781
- Phone
- (217) 788-3000
- Enumerated
- Jan 29, 2013
- Record last updated
- Jan 29, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (217) 788-5515
- Medicare enrollment
- Enrolled (PECOS I20130403000051); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →
Also registered at 701 N 1St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Abraham, MDRadiation Oncology Physician1083900294
- Akindele Adaramola, MDHospitalist Physician1548492200
- Rami Al-Ayyubi, MDCardiovascular Disease Physician1932772910
- Tammy Albert, CRNARegistered Nurse1598785602
- James Ambrose, MDAnesthesiology Physician1548249998
- Darrel Anderson, MDDiagnostic Radiology Physician1760423032
Verify Peggy Knowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209010183Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average family nurse practitioner in 2024
189 Medicare Part D claims for 106 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone25 claims
- Doxycycline Monohydrate23 claims
- Cephalexin15 claims
- Albuterol Sulfate Hfa13 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 72.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Memorial Physician ServicesSpringfield, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peggy Knowski among 7,639 family nurse practitioner records in Illinois
Peggy Knowski, NP-C 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 2013, is newer than 17% of them.
- NPI issued2013 · 17% of these records are older, 80% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2012 · median 2018 among the 4,778 with a school on file
- Record last updated2013 · 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).
309 family nurse practitioner records list a practice address in Springfield
They are 309 of the 4,997 NPPES records with a practice address in Springfield, and 7,639 family nurse practitioner records in Illinois.
All 7,639 in Illinois → Every provider in Springfield → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Timothy Belden, RN, MSN, FNPSpringfield, IL 627811891974481
- Yuan Chen, NPSpringfield, IL 627811508202045
- Kelli Fisher, FNPSpringfield, IL 627811619222577
- Jessica Heil, MSN, FNP-CSpringfield, IL 627811174912364
- Kimberley Knuuti, FNPSpringfield, IL 627811710438320
- Angela Lafrenz, APRN, CNPSpringfield, IL 627811326378175
- Heather Lansaw, FNPSpringfield, IL 627811255563995
- Kimberly Martin, APRN-BCSpringfield, IL 627811710436472
Common questions
What is Peggy Knowski, NP-C's NPI number?
Peggy Knowski, NP-C's National Provider Identifier (NPI) is 1497093264, issued on Jan 29, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Peggy Knowski, NP-C located?
The NPPES record lists a practice address at 701 N 1St St, Springfield, IL, 62781. Phone: (217) 788-3000. Providers update this record themselves, so call before visiting.
How can I verify Peggy Knowski, NP-C's license?
NPPES lists Illinois license number 209010183, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Peggy Knowski, NP-C prescribe under Medicare Part D?
In 2024, Peggy Knowski, NP-C had 189 Medicare Part D claims for 106 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Peggy Knowski, NP-C's MIPS final score?
The 2023 MIPS final score is 72.1 of 100, reported for the practice group. 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.