Michael J. Iwanicki, D.O.
Surgery Physician · Downers Grove, IL
Michael J. Iwanicki, D.O. is a surgery physician with a practice address in Downers Grove, Illinois, and NPI 1003845561, issued on Jun 30, 2006. Check the license (Illinois 036-105399, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Michael J. Iwanicki
- Credential
- D.O.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 036-105399 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3815 Highland Ave, Downers Grove, IL 60515
- Phone
- (630) 275-7800
- Enumerated
- Jun 30, 2006
- Record last updated
- Mar 25, 2025
- Fax
- (630) 810-9240
- Medicare enrollment
- Enrolled (PECOS I20040903001245); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 1997
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,520 in Illinois → Look up another NPI →
Also registered at 3815 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sadiqa Abbas, M.D.Interventional Pain Medicine Physician1528010634
- Nicole Ahrens, CRNACertified Registered Nurse Anesthetist1578154340
- Aristides Alexander, M.D.Emergency Medicine Physician1881009082
- Yorleni Ambrosio, RN, CNSNeonatal Intensive Care Registered Nurse1720465065
- Manisa Baker, APNAcute Care Clinical Nurse Specialist1023479508
- Michelle BankheadSurgical Assistant1568921039
Verify Michael J. Iwanicki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-105399Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average surgery physician in 2024
40 Medicare Part D claims for 40 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 35 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen31 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: $40,693.09
51 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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
- Advocate Health And Hospitals CorporationPark Ridge, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael J. Iwanicki among 1,520 surgery physician records in Illinois
Michael J. Iwanicki, D.O. is one of 1,520 surgery physician records with a practice address in Illinois. 66% 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, 64% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated1997 · median 2004 among the 650 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Illinois
There are 1,520 surgery physician records in Illinois.
All 1,520 in Illinois → Every provider in Downers Grove → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Harold Bach, M.D.Downers Grove, IL 605151184886061
- Richard Brinkman, M.D.Downers Grove, IL 605151417964180
- Edgar Chedrawy, MDDowners Grove, IL 605151629089495
- Gale England, MDDowners Grove, IL 605151417959297
- Bryant Gilot, MD CM DPHILDowners Grove, IL 605151184848913
- Gary Grosel, MDDowners Grove, IL 605151043265382
- Allen Mikhail, M.D.Downers Grove, IL 605151710152343
- Subhash Rao, MDDowners Grove, IL 605151497729651
Common questions
What is Michael J. Iwanicki, D.O.'s NPI number?
Michael J. Iwanicki, D.O.'s National Provider Identifier (NPI) is 1003845561, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael J. Iwanicki, D.O. located?
The NPPES record lists a practice address at 3815 Highland Ave, Downers Grove, IL, 60515. Phone: (630) 275-7800. Providers update this record themselves, so call before visiting.
How can I verify Michael J. Iwanicki, D.O.'s license?
NPPES lists Illinois license number 036-105399, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael J. Iwanicki, D.O. prescribe under Medicare Part D?
In 2024, Michael J. Iwanicki, D.O. had 40 Medicare Part D claims for 40 beneficiaries; the average among surgery physician prescribers was 147. 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.