Wendy L. Greep, APN-CNP
Nurse Practitioner · Oswego, IL
Wendy L. Greep, APN-CNP is a nurse practitioner with a practice address in Oswego, Illinois, and NPI 1205448636, issued on Aug 18, 2020. Check the license (Illinois 209021825, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Wendy L. Greep
- Credential
- APN-CNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 209021825 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4789 Route 71, Oswego, IL 60543
- Phone
- (630) 692-5730
- Enumerated
- Aug 18, 2020
- Record last updated
- May 12, 2026
- Fax
- (630) 692-5731
- Medicare enrollment
- Enrolled (PECOS I20210226000905); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 4789 Route 71
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Moreen Butterworth, APRNFamily Nurse Practitioner1750169371
- Paul Granoff, M.D.Pediatrics Physician1861445033
- Virginia Hathcock, CRNPNurse Practitioner1497020234
- Nicole Hohman, APRN, FNP-BCFamily Nurse Practitioner1710508973
- Danielle Hyatt, MDPediatrics Physician1013537687
Verify Wendy L. Greep in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209021825Check 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 nurse practitioner in 2024
157 Medicare Part D claims for 107 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone26 claims
- Cephalexin20 claims
- Doxycycline Hyclate19 claims
- Amoxicillin-Clavulanate Potass15 claims
- Azithromycin11 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: $135.29
3 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 38,884 providers of this specialty with any payment received $791.64 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.
Bills Medicare through one group practice
- Endeavor Health Medical GroupDowners Grove, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
7 nurse practitioner records list a practice address in Oswego
They are 7 of the 516 NPPES records with a practice address in Oswego, and 4,892 nurse practitioner records in Illinois.
All 7 in Oswego → All 4,892 in Illinois → Every provider in Oswego →
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 Wendy L. Greep, APN-CNP's NPI number?
Wendy L. Greep, APN-CNP's National Provider Identifier (NPI) is 1205448636, issued on Aug 18, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Wendy L. Greep, APN-CNP located?
The NPPES record lists a practice address at 4789 Route 71, Oswego, IL, 60543. Phone: (630) 692-5730. Providers update this record themselves, so call before visiting.
How can I verify Wendy L. Greep, APN-CNP's license?
NPPES lists Illinois license number 209021825, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Wendy L. Greep, APN-CNP prescribe under Medicare Part D?
In 2024, Wendy L. Greep, APN-CNP had 157 Medicare Part D claims for 107 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.