Margaret Bialas, M.D.
Emergency Medicine Physician · Morris, IL
Margaret Bialas, M.D. is an emergency medicine physician with a practice address in Morris, Illinois, and NPI 1629001946, issued on Jul 9, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Margaret Bialas
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- Practice location
- 100 Gore RD, Morris, IL 60450
- Phone
- (815) 364-8919
- Enumerated
- Jul 9, 2006
- Entity
- Type 1 · individual
Also registered at 100 Gore RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Colleen Andreoni, APNNurse Practitioner1427036110
- Barbara Bunton, CNPFamily Nurse Practitioner1750710612
- Deirdre Casagrande, APRNEmergency Medicine Physician1063448082
- Rita Craven, PA-CPhysician Assistant1932680725
- Breanna Freschi-Lijewski, APRNNurse Practitioner1881301398
- Lianne Holloway, MDFamily Medicine Physician1619000932
Verify Margaret Bialas 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
13% fewer Medicare Part D claims than the average emergency medicine physician in 2024
310 Medicare Part D claims for 232 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Doxycycline Hyclate49 claims
- Cephalexin43 claims
- Amoxicillin-Clavulanate Potass31 claims
- Albuterol Sulfate Hfa26 claims
- Methylprednisolone25 claims
- Nitrofurantoin Mono-Macro25 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.
One hospital or facility affiliation
- Morris HospitalMorris, IL
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.
8 emergency medicine physician records list a Morris practice address
They are 8 of the 385 NPPES records with a Morris practice address, and 3,096 emergency medicine physician records in Illinois.
All 8 in Morris → All 3,096 in Illinois → Every provider in Morris →
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 Margaret Bialas, M.D.'s NPI number?
Margaret Bialas, M.D.'s National Provider Identifier (NPI) is 1629001946, issued on Jul 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Bialas, M.D. located?
The NPPES record lists a practice address at 100 Gore RD, Morris, IL, 60450. Phone: (815) 364-8919. Providers update this record themselves, so call before visiting.
How can I verify Margaret Bialas, M.D.'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 Margaret Bialas, M.D. prescribe under Medicare Part D?
In 2024, Margaret Bialas, M.D. had 310 Medicare Part D claims for 232 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.
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.