NPPES file of Aug 9, 2026

Thomas Oryszczak, D.O.

Hospitalist Physician · Arlington Heights, IL

Thomas Oryszczak, D.O. is a hospitalist physician with a practice address in Arlington Heights, Illinois, and NPI 1033373717, issued on Jul 11, 2008. Check the license (Illinois 036127001, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033373717
Name
Thomas Oryszczak
Credential
D.O.
Primary taxonomy
Hospitalist Physician 208M00000X
License number
036127001 IL
Self-reported in NPPES; status is on the state search
Practice location
800 W Central RD, Arlington Heights, IL 60005
Phone
(847) 227-8987
Enumerated
Jul 11, 2008
Record last updated
Aug 7, 2026
Fax
(847) 618-3259
Medicare enrollment
Enrolled (PECOS I20110707000115); accepts Medicare assignment
Medical or professional school
Arizona College Of Osteopathic Medicine Mid Western University, 2008
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 800 W Central RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Fiaz Ahmed, MDAnesthesiology Physician1407924251
  2. Syed Ahmed, MDAnesthesiology Physician1124187257
  3. Catherine Ahn, MDAnesthesiology Physician1245308022
  4. Juli AistarsOncology Clinical Nurse Specialist1861883209
  5. A Akbar, M.D.Anesthesiology Physician1144203282
  6. Ayham Alagha, M.D.Hospitalist Physician1851779151

Verify Thomas Oryszczak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036127001
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The MIPS final score for 2023 (Medicare payment program): 89.7 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.

  1. Qualityout of 100 · 30% of the final score79.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Endeavor Health Medical GroupArlington Heights, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

42 hospitalist physician records list a practice address in Arlington Heights

They are 42 of the 2,697 NPPES records with a practice address in Arlington Heights, and 1,535 hospitalist physician records in Illinois.

Other hospitalist physician records in Illinois

  1. Hasan Abad, D.O.Chicago, IL1356872006
  2. Pamela Abadi, D.O.Winfield, IL1588820179
  3. Misha Abbasi, MDChicago, IL1770111635
  4. Hossam Abdel Aziz, MDWinfield, IL1114558145
  5. Eman Abdel-Latief, M.D.Evanston, IL1508229949
  6. Ashraf Abdeljaber, M.DNormal, IL1023472636
  7. Maysa Abdul Hussain, MDChicago, IL1245417070
  8. Shabreen Abdul Sharief, MDHuntley, IL1992025118
  9. Eyad Abdulrazzak, MDEvanston, IL1710592589
  10. Syed Abdur-Rahman, MDDekalb, IL1538658729

Common questions

What is Thomas Oryszczak, D.O.'s NPI number?

Thomas Oryszczak, D.O.'s National Provider Identifier (NPI) is 1033373717, issued on Jul 11, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Oryszczak, D.O. located?

The NPPES record lists a practice address at 800 W Central RD, Arlington Heights, IL, 60005. Phone: (847) 227-8987. Providers update this record themselves, so call before visiting.

How can I verify Thomas Oryszczak, D.O.'s license?

NPPES lists Illinois license number 036127001, 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.

What is Thomas Oryszczak, D.O.'s MIPS final score?

The 2023 MIPS final score is 89.7 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.