Mark A. Stefaniuk, M.D.
Family Medicine Physician · Glenview, IL
Mark A. Stefaniuk, M.D. is a family medicine physician with a practice address in Glenview, Illinois, and NPI 1013932409, issued on Jul 13, 2006. Check the license (Illinois 036-109698, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mark A. Stefaniuk
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 036-109698 IL
036109698 IL
89349 (ID#) NC
Self-reported in NPPES; status is on the state search - Practice location
- 3633 W Lake Ave Ste 108, Glenview, IL 60026
- Phone
- (847) 510-2805
- Enumerated
- Jul 13, 2006
- Record last updated
- Nov 14, 2022
- Fax
- (847) 510-2806
- Medicaid IDs
- 036109698-4 IL
036109698 IL - Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 3633 W Lake Ave Ste 108
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anish Pithadia, M.D.Family Medicine Physician1417074774
Verify Mark A. Stefaniuk 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 036-109698Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average family medicine physician in 2024
723 Medicare Part D claims for 42 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 16 claims were for opioids.
Most prescribed
- Metformin Hcl46 claims
- Gabapentin39 claims
- Escitalopram Oxalate33 claims
- Pantoprazole Sodium25 claims
- Atorvastatin Calcium23 claims
- Rosuvastatin Calcium22 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.
The MIPS final score for 2023 (Medicare payment program): 89.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,226.09
32 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 55,478 providers of this specialty with any payment received $902.55 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.
Mark A. Stefaniuk among 6,215 family medicine physician records in Illinois
Mark A. Stefaniuk, M.D. 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2022 · 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).
32 family medicine physician records list a practice address in Glenview
They are 32 of the 2,545 NPPES records with a practice address in Glenview, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Glenview → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ayesha Ali, MDGlenview, IL 600261962453456
- Khaldoun Dalbik, M.D.Glenview, IL 600261053557025
- Mark Drexler, MDGlenview, IL 600261821105057
- John Evans, M.D.Glenview, IL 600261003964156
- Martin Kovachevich, DOGlenview, IL 600261003855719
- Scott Meyer, M.D.Glenview, IL 600261417935057
- Deborah Miller, MDGlenview, IL 600261053392589
- Jory Natkin, D.O.Glenview, IL 600261306891676
Common questions
What is Mark A. Stefaniuk, M.D.'s NPI number?
Mark A. Stefaniuk, M.D.'s National Provider Identifier (NPI) is 1013932409, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Stefaniuk, M.D. located?
The NPPES record lists a practice address at 3633 W Lake Ave Ste 108, Glenview, IL, 60026. Phone: (847) 510-2805. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Stefaniuk, M.D.'s license?
NPPES lists Illinois license number 036-109698, 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 Mark A. Stefaniuk, M.D. prescribe under Medicare Part D?
In 2024, Mark A. Stefaniuk, M.D. had 723 Medicare Part D claims for 42 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Mark A. Stefaniuk, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.