Elizabeth Marie Retzer, M.D.
Interventional Cardiology Physician · McHenry, IL
Elizabeth Marie Retzer, M.D. is an interventional cardiology physician with a practice address in McHenry, Illinois, and NPI 1639331655, issued on Jul 1, 2008. Check the license (Illinois 036127442, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Marie Retzer
- Credential
- M.D.
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License number
- 036127442 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4309 W Medical Center Dr Ste A200, McHenry, IL 60050
- Phone
- (815) 759-8070
- Enumerated
- Jul 1, 2008
- Record last updated
- Oct 19, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (815) 759-4931
- Medicare enrollment
- Enrolled (PECOS I20150818004427); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 320 in Illinois → Look up another NPI →
Also registered at 4309 W Medical Center Dr Ste A200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mubashir Ahmed, M.D.Cardiovascular Disease Physician1366466377
- Sahil Attawala, MDClinical Cardiac Electrophysiology Physician1982832192
- Justin Duffy, PA-CPhysician Assistant1174918809
- Mahmoud Farhat, PA-CPhysician Assistant1922785310
- Judi FornerAdult Health Clinical Nurse Specialist1194123679
- Jana Goodall, APRN, CNPNurse Practitioner1255733010
Verify Elizabeth Marie Retzer 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 036127442Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% more Medicare Part D claims than the average interventional cardiology physician in 2024
5,136 Medicare Part D claims for 867 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Atorvastatin Calcium717 claims
- Metoprolol Succinate453 claims
- Carvedilol337 claims
- Amlodipine Besylate287 claims
- Clopidogrel262 claims
- Lisinopril238 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.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $862.96
25 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. 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.
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationMcHenry, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth Marie Retzer among 320 interventional cardiology physician records in Illinois
Elizabeth Marie Retzer, M.D. is one of 320 interventional cardiology physician records with a practice address in Illinois. 96% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 55% of them.
- NPI issued2008 · 55% of these records are older, 38% newer
- In a Medicare fileYes · 96% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2008 · median 2002 among the 278 with a school on file
- Record last updated2018 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in Illinois
There are 320 interventional cardiology physician records in Illinois.
All 320 in Illinois → Every provider in McHenry → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Asad Sheikh, M.D.McHenry, IL 600501588759815
- Mukaramullah Syed, M.D.McHenry, IL 600501538175583
- Vincent Woo, M.D.McHenry, IL 600501407080575
- Asim Zaidi, M.D.McHenry, IL 600501063641181
- Andrew Kotis, DOLibertyville, IL 600481982795894
- William Sanchez-Garcia, MDLibertyville, IL 600481548642564
- Jack Pinto, M.D.Kildeer, IL 600471992714034
- Owais Abdul-Kafi, MDLake Forest, IL 600451922462647
Common questions
What is Elizabeth Marie Retzer, M.D.'s NPI number?
Elizabeth Marie Retzer, M.D.'s National Provider Identifier (NPI) is 1639331655, issued on Jul 1, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Marie Retzer, M.D. located?
The NPPES record lists a practice address at 4309 W Medical Center Dr Ste A200, McHenry, IL, 60050. Phone: (815) 759-8070. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Marie Retzer, M.D.'s license?
NPPES lists Illinois license number 036127442, 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 Elizabeth Marie Retzer, M.D. prescribe under Medicare Part D?
In 2024, Elizabeth Marie Retzer, M.D. had 5,136 Medicare Part D claims for 867 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.
What is Elizabeth Marie Retzer, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.