Jeffrey Eaton Ilsley, MD
Emergency Medicine Physician · Menomonie, WI
Jeffrey Eaton Ilsley, MD is an emergency medicine physician with a practice address in Menomonie, Wisconsin, and NPI 1194703991, issued on Jan 3, 2006. Check the license (Wisconsin 65669, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Eaton Ilsley
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 65669 WI
23938 SC
LL3916 SC
Self-reported in NPPES; status is on the state search - Practice location
- 2321 Stout RD, Menomonie, WI 54751
- Phone
- (715) 235-5531
- Enumerated
- Jan 3, 2006
- Record last updated
- Sep 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150914000152); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,464 in Wisconsin → Look up another NPI →
Also registered at 2321 Stout RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hussain Ali, M.D, M.P.HObstetrics & Gynecology Physician1578723938
- Jessica Alstead, PA-CPhysician Assistant1528604089
- Christina Andrist, D.O.Pediatrics Physician1801154059
- Jennifer Bartlett, P.T.A.Physical Therapy Assistant1225051022
- Terra Bauste, O.T.Occupational Therapist1689699498
- Megan Bayrd, DOFamily Medicine Physician1558564823
Verify Jeffrey Eaton Ilsley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 65669Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average emergency medicine physician in 2024
133 Medicare Part D claims for 96 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Doxycycline Monohydrate11 claims
- Ibuprofen11 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
- Mayo Clinic Health System-Northwest Wisconsin Region IncEau Claire, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey Eaton Ilsley among 1,464 emergency medicine physician records in Wisconsin
Jeffrey Eaton Ilsley, MD is one of 1,464 emergency medicine physician records with a practice address in Wisconsin. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2000 · median 2011 among the 844 with a school on file
- Record last updated2021 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Wisconsin
There are 1,464 emergency medicine physician records in Wisconsin.
All 1,464 in Wisconsin → Every provider in Menomonie → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Matthew Borgo, M.D.Menomonie, WI 547511932424421
- Albert Hsiao, MDMenomonie, WI 547511144273285
- Marek Kaminski, M.D.Menomonie, WI 547511417996851
- Joseph Williams, MDDurand, WI 547361902048671
- Emily Mason, M.D.Chippewa Falls, WI 547291811196637
- James Peng, M.D.Chippewa Falls, WI 547291780871780
- Michael Walton, MDChippewa Falls, WI 547291497732085
- Ethan Young, D.O.Chippewa Falls, WI 547291053792895
Common questions
What is Jeffrey Eaton Ilsley, MD's NPI number?
Jeffrey Eaton Ilsley, MD's National Provider Identifier (NPI) is 1194703991, issued on Jan 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Eaton Ilsley, MD located?
The NPPES record lists a practice address at 2321 Stout RD, Menomonie, WI, 54751. Phone: (715) 235-5531. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Eaton Ilsley, MD's license?
NPPES lists Wisconsin license number 65669, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jeffrey Eaton Ilsley, MD prescribe under Medicare Part D?
In 2024, Jeffrey Eaton Ilsley, MD had 133 Medicare Part D claims for 96 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.