Leslie S. Zun, MD
Emergency Medicine Physician · Glenview, IL
Leslie S. Zun, MD is an emergency medicine physician with a practice address in Glenview, Illinois, and NPI 1376543421, issued on Jul 29, 2005. Check the license (Illinois 036066812, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Leslie S. Zun
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 036066812 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2701 Patriot Blvd Ste 110, Glenview, IL 60026
- Phone
- (847) 475-2273
- Enumerated
- Jul 29, 2005
- Record last updated
- Nov 3, 2025
- Fax
- (847) 998-9005
- Medicaid ID
- 036-066812-7 IL
- Medicare enrollment
- Enrolled (PECOS I20100726000169); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 1982
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 2701 Patriot Blvd Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ayesha Ali, MDFamily Medicine Physician1962453456
- Jason Ng, MDFamily Medicine Physician1508442427
Verify Leslie S. Zun 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 036066812Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average emergency medicine physician in 2024
12 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $2,500.00
2 payments; by number, the most common kind was consulting fee; the largest payer was Noven Pharmaceuticals, Inc. The 12,335 providers of this specialty with any payment received $953.79 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.
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).
Leslie S. Zun among 3,291 emergency medicine physician records in Illinois
Leslie S. Zun, MD is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1982 · median 2012 among the 1,867 with a school on file
- Record last updated2025 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Illinois
There are 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Glenview → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Daniel Samo, MDGlenview, IL 600261114948890
- Michael Oster, D.O.Gurnee, IL 600311356333991
- Dionisio Yorro, M.D.Gurnee, IL 600311942245147
- Mohammad Amir, D.O.Harvard, IL 600331386036085
- Victor Garber, MDHarvard, IL 600331609869163
- David Kavanaugh, DOHarvard, IL 600331437176070
- Joseph Levenstein, MDHarvard, IL 600331003849563
- James Sullivan, MDHarvard, IL 600331891805081
Common questions
What is Leslie S. Zun, MD's NPI number?
Leslie S. Zun, MD's National Provider Identifier (NPI) is 1376543421, issued on Jul 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Leslie S. Zun, MD located?
The NPPES record lists a practice address at 2701 Patriot Blvd Ste 110, Glenview, IL, 60026. Phone: (847) 475-2273. Providers update this record themselves, so call before visiting.
How can I verify Leslie S. Zun, MD's license?
NPPES lists Illinois license number 036066812, 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 Leslie S. Zun, MD prescribe under Medicare Part D?
In 2024, Leslie S. Zun, MD had 12 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. 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.