Alexander Mazur, MD
Clinical Cardiac Electrophysiology Physician · Chicago, IL
Alexander Mazur, MD is a clinical cardiac electrophysiology physician with a practice address in Chicago, Illinois, and NPI 1710172515, issued on Sep 14, 2007. Check the license (Illinois 036123579, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Alexander Mazur
- Credential
- MD
- Primary taxonomy
- Clinical Cardiac Electrophysiology Physician 207RC0001X
- License numbers
- 036123579 IL
37476 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1725 W Harrison St Ste 1159, Chicago, IL 60612
- Phone
- (312) 942-5020
- Enumerated
- Sep 14, 2007
- Record last updated
- May 24, 2022
- Medicare enrollment
- Enrolled (PECOS I20091221000510); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical cardiac electrophysiology physician records → All 166 in Illinois → Look up another NPI →
Also registered at 1725 W Harrison St Ste 1159
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Grace Alexander, MDCardiovascular Disease Physician1881330074
- Steve Attanasio, DOCardiovascular Disease Physician1972760718
- Quinn Capers, M.D.Cardiovascular Disease Physician1053312413
- Sneha Chebrolu, MDCardiovascular Disease Physician1174263404
- Monique Colbert, APNAcute Care Nurse Practitioner1093044471
- Fareed Moses Collado, MDInterventional Cardiology Physician1275763708
Verify Alexander Mazur 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 036123579Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024
475 Medicare Part D claims for 142 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.
Most prescribed
- Eliquis149 claims
- Metoprolol Succinate104 claims
- Amiodarone Hcl67 claims
- Xarelto44 claims
- Metoprolol Tartrate24 claims
- Flecainide Acetate21 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: $6,826.82
57 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 3,167 providers of this specialty with any payment received $10,651.37 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
- Rush University Medical GroupChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexander Mazur among 166 clinical cardiac electrophysiology physician records in Illinois
Alexander Mazur, MD is one of 166 clinical cardiac electrophysiology physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 49% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated1983 · median 2003 among the 138 with a school on file
- Record last updated2022 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Cardiac Electrophysiology Physician providers in Illinois
There are 166 clinical cardiac electrophysiology physician records in Illinois.
All 166 in Illinois → Every provider in Chicago → Clinical Cardiac Electrophysiology Physician nationwide →
The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes
- Zachary Demertzis, DOChicago, IL 606121225534126
- Timothy Larsen, D.O.Chicago, IL 606121477845337
- Alejandro Sanchez-Nadales, MDChicago, IL 606121619561586
- Jamario Skeete, M.D.Chicago, IL 606121356894042
- Richard Trohman, M.D.Chicago, IL 606121932128733
- Oleg Yurevich, MDChicago, IL 606121326482571
- Aamir Ahmed, MDChicago, IL 606111992297931
- Alexandru Chicos, MDChicago, IL 606111316138704
Common questions
What is Alexander Mazur, MD's NPI number?
Alexander Mazur, MD's National Provider Identifier (NPI) is 1710172515, issued on Sep 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Mazur, MD located?
The NPPES record lists a practice address at 1725 W Harrison St Ste 1159, Chicago, IL, 60612. Phone: (312) 942-5020. Providers update this record themselves, so call before visiting.
How can I verify Alexander Mazur, MD's license?
NPPES lists Illinois license number 036123579, 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 Alexander Mazur, MD prescribe under Medicare Part D?
In 2024, Alexander Mazur, MD had 475 Medicare Part D claims for 142 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. 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.