Wendy Demler, APN
Nurse Practitioner · Rockford, IL
Wendy Demler, APN is a nurse practitioner with a practice address in Rockford, Illinois, and NPI 1023533122, issued on Aug 9, 2017. Check the license (Illinois 209016190, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Wendy Demler
- Credential
- APN
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 209016190 IL
Self-reported in NPPES; status is on the state search - Practice location
- 6830 Villagreen VW, Rockford, IL 61107
- Phone
- (815) 282-1339
- Enumerated
- Aug 9, 2017
- Record last updated
- Jul 21, 2022
- Fax
- (815) 282-1298
- Medicare enrollment
- Enrolled (PECOS I20170929002445); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →
Also registered at 6830 Villagreen VW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Kobler, MDFamily Medicine Physician1588693626
- Christine Larson, PAPhysician Assistant1285668723
- Mark Schneider, MDInternal Medicine Physician1265464895
- Ellissa Schwartz, PHYSICIAN ASSISTANTPhysician Assistant1003029224
- Diane Zug, MDFamily Medicine Physician1578596227
Verify Wendy Demler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209016190Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average nurse practitioner in 2024
14 Medicare Part D claims, against an average of 1,109 among the 54,319 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.
Bills Medicare through one group practice
- Chestnut Health OF Illinois LLCElgin, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wendy Demler among 4,892 nurse practitioner records in Illinois
Wendy Demler, APN 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 2017, is newer than 42% of them.
- NPI issued2017 · 42% of these records are older, 53% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2016 · median 2018 among the 3,389 with a school on file
- Record last updated2022 · 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).
129 nurse practitioner records list a practice address in Rockford
They are 129 of the 3,893 NPPES records with a practice address in Rockford, and 4,892 nurse practitioner records in Illinois.
All 4,892 in Illinois → Every provider in Rockford → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Jennifer Fasano, APNRockford, IL 611071902127749
- Sharon Hasting, APNRockford, IL 611071861638157
- Kasondra Lamere, APRNRockford, IL 611071679962112
- George Lester, APRN, FNP-BC, RNFARockford, IL 611071942451000
- Kelly Logli, APNRockford, IL 611071730404419
- Jacqueline May, NPRockford, IL 611071699715706
- Tanya Munger, NPRockford, IL 611071154576221
- Paula Plote-Krause, APNRockford, IL 611071750316253
Common questions
What is Wendy Demler, APN's NPI number?
Wendy Demler, APN's National Provider Identifier (NPI) is 1023533122, issued on Aug 9, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Wendy Demler, APN located?
The NPPES record lists a practice address at 6830 Villagreen VW, Rockford, IL, 61107. Phone: (815) 282-1339. Providers update this record themselves, so call before visiting.
How can I verify Wendy Demler, APN's license?
NPPES lists Illinois license number 209016190, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Wendy Demler, APN prescribe under Medicare Part D?
In 2024, Wendy Demler, APN had 14 Medicare Part D claims; 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.