Stephen James Wielgus, MD
Family Medicine Physician · Lincolnshire, IL
Stephen James Wielgus, MD is a family medicine physician with a practice address in Lincolnshire, Illinois, and NPI 1255597944, issued on Aug 1, 2008. Check the license (Illinois 036126677, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Stephen James Wielgus
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036126677 IL
Self-reported in NPPES; status is on the state search - Practice location
- 920 Milwaukee Ave, Lincolnshire, IL 60069
- Phone
- (847) 866-7846
- Enumerated
- Aug 1, 2008
- Record last updated
- Jul 15, 2026
- Fax
- (224) 251-4568
- Medicare enrollment
- Enrolled (PECOS I20110928000451); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 920 Milwaukee Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen James Wielgus 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 036126677Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family medicine physician in 2024
594 Medicare Part D claims for 405 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Albuterol Sulfate Hfa94 claims
- Amoxicillin-Clavulanate Potass72 claims
- Methylprednisolone46 claims
- Triamcinolone Acetonide39 claims
- Cephalexin36 claims
- Ciprofloxacin Hcl24 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
- Endeavor Health Medical GroupLincolnshire, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen James Wielgus among 6,215 family medicine physician records in Illinois
Stephen James Wielgus, MD is one of 6,215 family medicine physician 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 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 46% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2005 · median 2006 among the 3,714 with a school on file
- Record last updated2026 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 family medicine physician records list a practice address in Lincolnshire
They are 4 of the 207 NPPES records with a practice address in Lincolnshire, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Lincolnshire → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Imaan Baseer, DOLincolnshire, IL 600691861059578
- Teresa Chirayil, MDLincolnshire, IL 600691780261537
- Richard Margolin, D.O.Lincolnshire, IL 600691528162062
- Haley Bylina, MDPark Ridge, IL 600681861249203
- Shanthi CambalaPark Ridge, IL 600681568303824
- Meagan CullenPark Ridge, IL 600681073363784
- Rachel GeorgePark Ridge, IL 600681013701390
- Izabela Pop, MDPark Ridge, IL 600681093518466
Common questions
What is Stephen James Wielgus, MD's NPI number?
Stephen James Wielgus, MD's National Provider Identifier (NPI) is 1255597944, issued on Aug 1, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Stephen James Wielgus, MD located?
The NPPES record lists a practice address at 920 Milwaukee Ave, Lincolnshire, IL, 60069. Phone: (847) 866-7846. Providers update this record themselves, so call before visiting.
How can I verify Stephen James Wielgus, MD's license?
NPPES lists Illinois license number 036126677, 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 Stephen James Wielgus, MD prescribe under Medicare Part D?
In 2024, Stephen James Wielgus, MD had 594 Medicare Part D claims for 405 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.