Marek Banas, DO
Emergency Medicine Physician · Olympia Fields, IL
Marek Banas, DO is an emergency medicine physician with a practice address in Olympia Fields, Illinois, and NPI 1467727297, issued on Mar 13, 2012. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Marek Banas
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- Practice location
- 20201 Crawford Ave, Olympia Fields, IL 60461
- Phone
- (708) 747-4000
- Enumerated
- Mar 13, 2012
- Entity
- Type 1 · individual
Also registered at 20201 Crawford Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marwa Abdul BasithStudent in an Organized Health Care Education/Training Program1215870654
- Veronica Abegunde, MDInternal Medicine Physician1740500826
- Amir Abusharif, DOStudent in an Organized Health Care Education/Training Program1619663986
- Gremah Adam Aboubacar, DOStudent in an Organized Health Care Education/Training Program1619662392
- Tejaswini Addanki, DOStudent in an Organized Health Care Education/Training Program1306589163
- Saria Adnan Sultan, DOStudent in an Organized Health Care Education/Training Program1679216196
Verify Marek Banas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
41% fewer Medicare Part D claims than the average emergency medicine physician in 2024
208 Medicare Part D claims for 133 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Ondansetron Hcl31 claims
- Cephalexin23 claims
- Ibuprofen14 claims
- Amoxicillin-Clavulanate Potass11 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 practice group's Medicare quality score for 2023: 94.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $16.23
1 payment, mostly food and beverage; the largest payer was Inari Medical, Inc.. The 12,165 providers of this specialty with any payment received $1,340.71 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 hospital and facility affiliations
- Cep America - CaliforniaAntioch, CA
- Vallejo Emergency Physicians Medical Group IncVallejo, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
39 emergency medicine physician records list a Olympia Fields practice address
They are 39 of the 684 NPPES records with a Olympia Fields practice address, and 3,096 emergency medicine physician records in Illinois.
All 39 in Olympia Fields → All 3,096 in Illinois → Every provider in Olympia Fields →
Other emergency medicine physician records in Illinois
- Osama Aaflaq, M.D.Carbondale, IL1083663520
- Suresh Abad, M.D.Vernon Hills, IL1639100126
- Albert Abalos, M.D.Elmhurst, IL1881983484
- Habib Abbasi, M.D.Joliet, IL1902832835
- Andrew Abbeg, D.O.Greenville, IL1548490311
- Ryan Abbott, DOChicago, IL1477243517
- Zakaria Abdulnabi, M.D.Urbana, IL1790135499
- Logan Abel, MDChicago, IL1447900592
- Claire Abramoff, MDChicago, IL1316380009
- Rachel Abrams, M.D.Chicago, IL1659786317
Common questions
What is Marek Banas, DO's NPI number?
Marek Banas, DO's National Provider Identifier (NPI) is 1467727297, issued on Mar 13, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Marek Banas, DO located?
The NPPES record lists a practice address at 20201 Crawford Ave, Olympia Fields, IL, 60461. Phone: (708) 747-4000. Providers update this record themselves, so call before visiting.
How can I verify Marek Banas, DO's license?
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 Marek Banas, DO prescribe under Medicare Part D?
In 2024, Marek Banas, DO had 208 Medicare Part D claims for 133 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.
What is Marek Banas, DO's Medicare quality score?
The 2023 MIPS final score is 94.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.