John Michael Cahill, MD
Interventional Cardiology Physician · Elmhurst, IL
John Michael Cahill, MD is an interventional cardiology physician with a practice address in Elmhurst, Illinois, and NPI 1124071337, issued on May 18, 2006. Check the license (Illinois 036.066599, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- John Cahill
- Credential
- MD
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License numbers
- 036.066599 IL
036066599 IL
Self-reported in NPPES; status is on the state search - Practice location
- 133 E Brush Hill RD Ste 202, Elmhurst, IL 60126
- Phone
- (331) 231-6200
- Enumerated
- May 18, 2006
- Record last updated
- Jul 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (331) 231-6201
- Medicare enrollment
- Enrolled (PECOS I20040617000958); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1981
- Entity
- Type 1 · individual
Also registered at 133 E Brush Hill RD Ste 202
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cathy Adamson, N.P.Acute Care Nurse Practitioner1407906126
- Anish Amin, M.D.Interventional Cardiology Physician1659500601
- Lawrence Barr, MDCardiovascular Disease Physician1174560338
- Michael Brottman, MDCardiovascular Disease Physician1609820919
- Cash Casey, MDClinical Cardiac Electrophysiology Physician1518910306
- Joseph Danavi, D.O.Cardiovascular Disease Physician1407122849
Verify John Cahill 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 036.066599Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.5 times the Medicare Part D claims of the average interventional cardiology physician in 2024
7,790 Medicare Part D claims for 947 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Metoprolol Succinate978 claims
- Atorvastatin Calcium775 claims
- Rosuvastatin Calcium640 claims
- Clopidogrel516 claims
- Ezetimibe466 claims
- Losartan Potassium371 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: $717.06
36 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 6,394 providers of this specialty with any payment received $7,062.29 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.
2 hospitals and group practices
- Elmhurst Memorial HospitalElmhurst, IL · Acute Care Hospitals3 of 5 stars
- Midwest Cardiovascular Institute SCElmhurst, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Interventional Cardiology Physician providers in Illinois
There are 320 interventional cardiology physician records in Illinois.
Other interventional cardiology physician records in Illinois
- Alaa Abdel Meguid, MDKankakee, IL1730282393
- Owais Abdul-Kafi, MDLake Forest, IL1922462647
- Salaheldin Abusin, MDChicago, IL1215266952
- Abdulrahman Abutaleb, M.D.Barrington, IL1891185609
- Majed Afana, MDPalos Heights, IL1558707554
- Sunil Agarwal, M.D, M.P.H., PHDSpringfield, IL1710204334
- Yogesh Agarwal, MDBloomington, IL1336142017
- Bhuvnesh Aggarwal, M.D.Springfield, IL1760770101
- Frank Aguirre, M.D.Springfield, IL1265513717
- Tarek Ahdab, MD, FACCPalos Heights, IL1184849747
Common questions
What is John Michael Cahill, MD's NPI number?
John Michael Cahill, MD's National Provider Identifier (NPI) is 1124071337, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Michael Cahill, MD located?
The NPPES record lists a practice address at 133 E Brush Hill RD Ste 202, Elmhurst, IL, 60126. Phone: (331) 231-6200. Providers update this record themselves, so call before visiting.
How can I verify John Michael Cahill, MD's license?
NPPES lists Illinois license number 036.066599, 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 Michael Cahill, MD prescribe under Medicare Part D?
In 2024, John Michael Cahill, MD had 7,790 Medicare Part D claims for 947 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. 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.