Thomas Kenneth Grudowski
Emergency Medicine Physician · Downers Grove, IL
Thomas Kenneth Grudowski is an emergency medicine physician with a practice address in Downers Grove, Illinois, and NPI 1508326745, issued on Mar 22, 2019. Check the license (Illinois 036-157973, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Thomas Kenneth Grudowski
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 036-157973 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3815 Highland Ave, Downers Grove, IL 60515
- Phone
- (708) 275-5900
- Enumerated
- Mar 22, 2019
- Record last updated
- Jul 26, 2025
- Medicare enrollment
- Enrolled (PECOS I20220804003252); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 2019
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 3815 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nicole Ahrens, CRNACertified Registered Nurse Anesthetist1578154340
- Aristides Alexander, M.D.Emergency Medicine Physician1881009082
- Yorleni Ambrosio, RN, CNSNeonatal Intensive Care Registered Nurse1720465065
- Manisa Baker, APNAcute Care Clinical Nurse Specialist1023479508
- Michelle BankheadSurgical Assistant1568921039
Verify Thomas Kenneth Grudowski 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 036-157973Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% fewer Medicare Part D claims than the average emergency medicine physician in 2024
219 Medicare Part D claims for 160 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 26 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen26 claims
- Prednisone23 claims
- Ondansetron Odt19 claims
- Sulfamethoxazole-Trimethoprim18 claims
- Cephalexin16 claims
- Eliquis11 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 3 group practices
- Advocate Health And Hospitals CorporationOak Lawn, IL
- Dupage Emergency Physicians Convenient Care LLCLemont, IL
- Dupage Emergency Physicians LtdDowners Grove, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Kenneth Grudowski among 3,291 emergency medicine physician records in Illinois
Thomas Kenneth Grudowski 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 2019, is newer than 74% of them.
- NPI issued2019 · 74% of these records are older, 22% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2019 · 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).
23 emergency medicine physician records list a practice address in Downers Grove
They are 23 of the 1,899 NPPES records with a practice address in Downers Grove, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Downers Grove → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Matthew Belden, M.D.Downers Grove, IL 605151467429811
- Andrea Carlson, MDDowners Grove, IL 605151750382974
- Thomas Carmody, MDDowners Grove, IL 605151275534406
- Stephen Crouch, MDDowners Grove, IL 605151508867730
- Bruce Donenberg, MDDowners Grove, IL 605151962403014
- Rhonda Konarski, MDDowners Grove, IL 605151558362772
- John Korpics, MDDowners Grove, IL 605151811998057
- Sonia Mininni, MDDowners Grove, IL 605151891797239
Common questions
What is Thomas Kenneth Grudowski's NPI number?
Thomas Kenneth Grudowski's National Provider Identifier (NPI) is 1508326745, issued on Mar 22, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Kenneth Grudowski located?
The NPPES record lists a practice address at 3815 Highland Ave, Downers Grove, IL, 60515. Phone: (708) 275-5900. Providers update this record themselves, so call before visiting.
How can I verify Thomas Kenneth Grudowski's license?
NPPES lists Illinois license number 036-157973, 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 Thomas Kenneth Grudowski prescribe under Medicare Part D?
In 2024, Thomas Kenneth Grudowski had 219 Medicare Part D claims for 160 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.