Andrew Korcek, MD
Pulmonary Disease Physician · Winfield, IL
Andrew Korcek, MD is a pulmonary disease physician with a practice address in Winfield, Illinois, and NPI 1588630495, issued on Feb 28, 2006. Check the license (Illinois 036104976, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Andrew Korcek
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 036104976 IL
Self-reported in NPPES; status is on the state search - Practice location
- 25 N Winfield Road, Winfield, IL 60190
- Phone
- (630) 871-6699
- Enumerated
- Feb 28, 2006
- Record last updated
- Aug 9, 2023
- Medicaid ID
- 036104976 IL
- Medicare enrollment
- Enrolled (PECOS I20040805000615); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 617 in Illinois → Look up another NPI →
Also registered at 25 N Winfield Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Andrew Korcek 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 036104976Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average pulmonary disease physician in 2024
1,480 Medicare Part D claims for 365 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.
Most prescribed
- Trelegy Ellipta160 claims
- Albuterol Sulfate Hfa152 claims
- Fluticasone-Salmeterol149 claims
- Breo Ellipta137 claims
- Anoro Ellipta102 claims
- Prednisone100 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.
Bills Medicare through one group practice
- Dupage Medical Group LtdWinfield, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew Korcek among 617 pulmonary disease physician records in Illinois
Andrew Korcek, MD is one of 617 pulmonary disease physician records with a practice address in Illinois. 85% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 54% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1998 · median 2005 among the 444 with a school on file
- Record last updated2023 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 pulmonary disease physician records list a practice address in Winfield
They are 11 of the 778 NPPES records with a practice address in Winfield, and 617 pulmonary disease physician records in Illinois.
All 617 in Illinois → Every provider in Winfield → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Linda Chan, M.D.Winfield, IL 601901235187253
- David Delapp, DOWinfield, IL 601901366860421
- Linda Lam, DOWinfield, IL 601901700839354
- Timothy McGee, DOWinfield, IL 601901023061116
- Crystal Otteman, DOWinfield, IL 601901174578629
- Steven Pearson, M.D.Winfield, IL 601901144609256
- Mahwish Saim, M.D.Winfield, IL 601901649767997
- Benjamin Seides, MD, MPHWinfield, IL 601901770648073
Common questions
What is Andrew Korcek, MD's NPI number?
Andrew Korcek, MD's National Provider Identifier (NPI) is 1588630495, issued on Feb 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Korcek, MD located?
The NPPES record lists a practice address at 25 N Winfield Road, Winfield, IL, 60190. Phone: (630) 871-6699. Providers update this record themselves, so call before visiting.
How can I verify Andrew Korcek, MD's license?
NPPES lists Illinois license number 036104976, 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 Andrew Korcek, MD prescribe under Medicare Part D?
In 2024, Andrew Korcek, MD had 1,480 Medicare Part D claims for 365 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.