Iwona U. Sobczak, MD
Neurology Physician · Chicago, IL
Iwona U. Sobczak, MD is a neurology physician with a practice address in Chicago, Illinois, and NPI 1972586808, issued on Nov 23, 2005. Check the license (Illinois 036095513, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Iwona U. Sobczak
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 036095513 IL
Self-reported in NPPES; status is on the state search - Practice location
- 7447 W Talcott Avenue, Chicago, IL 60631
- Phone
- (773) 957-0304
- Enumerated
- Nov 23, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (773) 957-0305
- Entity
- Type 1 · individual
Also registered at 7447 W Talcott Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Iwona U. Sobczak 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 036095513Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average neurology physician in 2024
217 Medicare Part D claims for 50 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Gabapentin62 claims
- Primidone22 claims
- Escitalopram Oxalate19 claims
- Levetiracetam12 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.
Neurology Physician providers in Illinois
There are 952 neurology physician records in Illinois.
Other neurology physician records in Illinois
- Saju Abraham, M.D.Aurora, IL1528191756
- Amro Abu Shanab, MDSpringfield, IL1508598137
- Jayant Acharya, MDSpringfield, IL1891710695
- Kabiyadi Acharya, M.D.Springfield, IL1871584599
- Andrew Ackell, MDQuincy, IL1942793237
- Maham AdeebSpringfield, IL1205670981
- Yasaman AdibniaElmhurst, IL1245857242
- Mitra Afshari, M.D. M.P.HChicago, IL1285998237
- Zahra Afshari, M.D.Glenview, IL1508983628
- Mohammed Afzal, M.D.Rockford, IL1891767224
Common questions
What is Iwona U. Sobczak, MD's NPI number?
Iwona U. Sobczak, MD's National Provider Identifier (NPI) is 1972586808, issued on Nov 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Iwona U. Sobczak, MD located?
The NPPES record lists a practice address at 7447 W Talcott Avenue, Chicago, IL, 60631. Phone: (773) 957-0304. Providers update this record themselves, so call before visiting.
How can I verify Iwona U. Sobczak, MD's license?
NPPES lists Illinois license number 036095513, 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 Iwona U. Sobczak, MD prescribe under Medicare Part D?
In 2024, Iwona U. Sobczak, MD had 217 Medicare Part D claims for 50 beneficiaries; the average among neurology physician prescribers was 1,370. 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.