Leo Brian Shimanovich, MD
Neurology Physician · Chicago, IL
Leo Brian Shimanovich, MD is a neurology physician with a practice address in Chicago, Illinois, and NPI 1134796964, issued on Jun 9, 2021. Check the license (Illinois 2084N0400X, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Leo Brian Shimanovich
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 2084N0400X IL
Self-reported in NPPES; status is on the state search - Practice location
- 600 S Paulina St Ste 403, Chicago, IL 60612
- Phone
- (312) 942-0312
- Enumerated
- Jun 9, 2021
- Record last updated
- May 19, 2026
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 952 in Illinois → Look up another NPI →
Also registered at 600 S Paulina St Ste 403
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Leo Brian Shimanovich 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 2084N0400XCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average neurology physician in 2024
85 Medicare Part D claims for 29 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium11 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.
Leo Brian Shimanovich among 952 neurology physician records in Illinois
Leo Brian Shimanovich, 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 2021, is newer than 81% of them.
- NPI issued2021 · 81% of these records are older, 15% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2026 · 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 Chicago → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Antoaneta Balabanov, MDChicago, IL 606121770578304
- Joshua Baron, MDChicago, IL 606121336112523
- Donna Bergen, MDChicago, IL 606121548256357
- Michael Carrithers, MDChicago, IL 606121073595427
- Cynthia Comella, MDChicago, IL 606121588640940
- Jacob Fox, MDChicago, IL 606121841242716
- Christopher Goetz, MDChicago, IL 606121124004585
- Michael Kelly, MDChicago, IL 606121558329086
Common questions
What is Leo Brian Shimanovich, MD's NPI number?
Leo Brian Shimanovich, MD's National Provider Identifier (NPI) is 1134796964, issued on Jun 9, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Leo Brian Shimanovich, MD located?
The NPPES record lists a practice address at 600 S Paulina St Ste 403, Chicago, IL, 60612. Phone: (312) 942-0312. Providers update this record themselves, so call before visiting.
How can I verify Leo Brian Shimanovich, MD's license?
NPPES lists Illinois license number 2084N0400X, 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 Leo Brian Shimanovich, MD prescribe under Medicare Part D?
In 2024, Leo Brian Shimanovich, MD had 85 Medicare Part D claims for 29 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.