Steven M. Zak, MD
Neurology Physician · Northbrook, IL
Steven M. Zak, MD is a neurology physician with a practice address in Northbrook, Illinois, and NPI 1861467755, issued on Feb 22, 2006. Check the license (Illinois 036070165, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Steven M. Zak
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 036070165 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1403 Kingsport CT, Northbrook, IL 60062
- Phone
- (847) 564-1870
- Enumerated
- Feb 22, 2006
- Record last updated
- Jan 24, 2024
- Medicaid ID
- 0360701653 IL
- Medicare enrollment
- Enrolled (PECOS I20060426000631); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1981
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 952 in Illinois → Look up another NPI →
Verify Steven M. Zak 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 036070165Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- American Neuromonitoring Associates, PCNorthbrook, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven M. Zak among 952 neurology physician records in Illinois
Steven M. Zak, MD is one of 952 neurology physician records with a practice address in Illinois. 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, 68% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1981 · median 2006 among the 573 with a school on file
- Record last updated2024 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Illinois
There are 952 neurology physician records in Illinois.
All 952 in Illinois → Every provider in Northbrook → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Neil Allen, M.D.Northbrook, IL 600621255325023
- Calvin Klint, MDNorthbrook, IL 600621003308933
- Daniel Wynn, M.D.Northbrook, IL 600621710971700
- Elizabeth Kessler, M.D.North Chicago, IL 600641447266465
- Martha Neagu Aristide, M.D.,PH.D.North Chicago, IL 600641356668719
- Semyon ShulmanNorth Chicago, IL 600641003820333
- Prashanthi Boppana, MDPark Ridge, IL 600681588630727
- David Calimag, MDPark Ridge, IL 600681447231154
Common questions
What is Steven M. Zak, MD's NPI number?
Steven M. Zak, MD's National Provider Identifier (NPI) is 1861467755, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven M. Zak, MD located?
The NPPES record lists a practice address at 1403 Kingsport CT, Northbrook, IL, 60062. Phone: (847) 564-1870. Providers update this record themselves, so call before visiting.
How can I verify Steven M. Zak, MD's license?
NPPES lists Illinois license number 036070165, 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 Steven M. Zak, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.