Maciej S. Lesniak, MD
Neurological Surgery Physician · Chicago, IL
Maciej S. Lesniak, MD is a neurological surgery physician with a practice address in Chicago, Illinois, and NPI 1326103151, issued on Dec 22, 2006. Check the license (Illinois 036108469, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Maciej S. Lesniak
- Credential
- MD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- 036108469 IL
Self-reported in NPPES; status is on the state search - Practice location
- 675 N Saint Clair St, Chicago, IL 60611
- Phone
- (312) 695-8143
- Enumerated
- Dec 22, 2006
- Record last updated
- Nov 10, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20031211000730); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 375 in Illinois → Look up another NPI →
Also registered at 675 N Saint Clair St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kehinde Adekola, MDHematology & Oncology Physician1306026117
- Sonya Agnew, M.D.Plastic Surgery Physician1962640250
- Mohammed Alghoul, M.D.Plastic Surgery Physician1932376746
- Sharon Allen, APRNAdult Health Nurse Practitioner1003849993
Verify Maciej S. Lesniak 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 036108469Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 94.1 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).
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maciej S. Lesniak among 375 neurological surgery physician records in Illinois
Maciej S. Lesniak, MD is one of 375 neurological surgery physician records with a practice address in Illinois. 77% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 63% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1996 · median 2004 among the 199 with a school on file
- Record last updated2015 · 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 207T00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in Illinois
There are 375 neurological surgery physician records in Illinois.
All 375 in Illinois → Every provider in Chicago → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- James Chandler, MDChicago, IL 606111881656411
- George Cybulski, MDChicago, IL 606111336107937
- Nader Dahdaleh, M.D.Chicago, IL 606111831307339
- Sunit Das, M.D., PH.D.Chicago, IL 606111114173804
- Aruna Ganju, MDChicago, IL 606111366487969
- Amy Heimberger, M.D.Chicago, IL 606111235220955
- Babak Jahromi, MDChicago, IL 606111467616193
- Michel Kliot, M.D.Chicago, IL 606111952411001
Common questions
What is Maciej S. Lesniak, MD's NPI number?
Maciej S. Lesniak, MD's National Provider Identifier (NPI) is 1326103151, issued on Dec 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maciej S. Lesniak, MD located?
The NPPES record lists a practice address at 675 N Saint Clair St, Chicago, IL, 60611. Phone: (312) 695-8143. Providers update this record themselves, so call before visiting.
How can I verify Maciej S. Lesniak, MD's license?
NPPES lists Illinois license number 036108469, 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.
What is Maciej S. Lesniak, MD's MIPS final score?
The 2023 MIPS final score is 94.1 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.