John S. Lee, M.D.
Emergency Medicine Physician · Naperville, IL
John S. Lee, M.D. is an emergency medicine physician with a practice address in Naperville, Illinois, and NPI 1932279965, issued on Nov 8, 2006. Check the license (Illinois 036-082972, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- John S. Lee
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 036-082972 IL
Self-reported in NPPES; status is on the state search - Practice location
- 801 S. Washington St., Naperville, IL 60540
- Phone
- (630) 527-3358
- Enumerated
- Nov 8, 2006
- Record last updated
- Dec 9, 2025
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 801 S. Washington St.
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John S. Lee 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 036-082972Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average emergency medicine physician in 2024
180 Medicare Part D claims for 136 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 46 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen43 claims
- Prednisone26 claims
- Cephalexin21 claims
- Sulfamethoxazole-Trimethoprim13 claims
- Ondansetron Odt12 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.
Industry payments in 2024: $16.62
1 payment: food and beverage; the largest payer was Phathom 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.
John S. Lee among 3,291 emergency medicine physician records in Illinois
John S. Lee, M.D. 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 68% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- 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).
59 emergency medicine physician records list a practice address in Naperville
They are 59 of the 4,634 NPPES records with a practice address in Naperville, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Naperville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Mark Batts, MDNaperville, IL 605401619921228
- Kevin Collins, M.D.Naperville, IL 605401558345934
- Rick Gimbel, M.D.Naperville, IL 605401215012380
- Bassam Kawadry, MDNaperville, IL 605401790717502
- Megan McAllister, M.D.Naperville, IL 605401437191855
- Guy Miller, D.O.Naperville, IL 605401700866167
- Linda Mueller, MDNaperville, IL 605401992775803
- Navtej Sandhu, M.D.Naperville, IL 605401548291479
Common questions
What is John S. Lee, M.D.'s NPI number?
John S. Lee, M.D.'s National Provider Identifier (NPI) is 1932279965, issued on Nov 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John S. Lee, M.D. located?
The NPPES record lists a practice address at 801 S. Washington St., Naperville, IL, 60540. Phone: (630) 527-3358. Providers update this record themselves, so call before visiting.
How can I verify John S. Lee, M.D.'s license?
NPPES lists Illinois license number 036-082972, 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 John S. Lee, M.D. prescribe under Medicare Part D?
In 2024, John S. Lee, M.D. had 180 Medicare Part D claims for 136 beneficiaries; 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.