Mary Pasciak, MD
Internal Medicine Physician · Elmhurst, IL
Mary Pasciak, MD is an internal medicine physician with a practice address in Elmhurst, Illinois, and NPI 1427127505, issued on Nov 6, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mary Pasciak
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 133 E Brush Hill RD, Elmhurst, IL 60126
- Phone
- (331) 221-9605
- Enumerated
- Nov 6, 2006
- Entity
- Type 1 · individual
Also registered at 133 E Brush Hill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kavin Arasar, M.D.Interventional Cardiology Physician1386030153
- Sandra Bandel, APNPrimary Care Nurse Practitioner1255702684
- George Caleel, D.O.Emergency Medicine Physician1740478163
- Michael Cohan, MDInternal Medicine Physician1144271297
- Pamela HeydornCritical Care Medicine Clinical Nurse Specialist1336578582
- Denise Ibrahim, D.O.Pediatric Orthopaedic Surgery Physician1164418869
Verify Mary Pasciak 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
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
19 Medicare Part D claims, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.
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.
79 internal medicine physician records list a Elmhurst practice address
They are 79 of the 1,540 NPPES records with a Elmhurst practice address, and 8,522 internal medicine physician records in Illinois.
All 79 in Elmhurst → All 8,522 in Illinois → Every provider in Elmhurst →
Other internal medicine physician records in Illinois
- Peter Abadeer, D.O.Bloomington, IL1760469522
- Pamela Abadi, D.O.Winfield, IL1588820179
- Motaz Abas, MDPeoria, IL1215510201
- Elias Abate, M.D.Chicago, IL1336712199
- Maliha Abbas, D.O.Chicago, IL1174963920
- Zareena Abbas, MDChicago, IL1427078872
- Abu Abbasi, MDChicago, IL1083243877
- Ayesha Abbasi, MDChicago, IL1376216705
- Khalda Abbasi, MDNaperville, IL1487705240
- Misha Abbasi, MDChicago, IL1770111635
Common questions
What is Mary Pasciak, MD's NPI number?
Mary Pasciak, MD's National Provider Identifier (NPI) is 1427127505, issued on Nov 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Pasciak, MD located?
The NPPES record lists a practice address at 133 E Brush Hill RD, Elmhurst, IL, 60126. Phone: (331) 221-9605. Providers update this record themselves, so call before visiting.
How can I verify Mary Pasciak, MD'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 Mary Pasciak, MD prescribe under Medicare Part D?
In 2024, Mary Pasciak, MD had 19 Medicare Part D claims; the average among internal medicine physician prescribers was 2,785. 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.