Gregory J. Ostrowski, DO
Diagnostic Radiology Physician · Palos Heights, IL
Gregory J. Ostrowski, DO is a diagnostic radiology physician with a practice address in Palos Heights, Illinois, and NPI 1417938143, issued on Nov 9, 2005. Check the license (Illinois 036085467, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Gregory J. Ostrowski
- Credential
- DO
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 036085467 IL
Self-reported in NPPES; status is on the state search - Practice location
- 12251 S 80TH Ave, Palos Heights, IL 60463
- Phone
- (708) 923-4000
- Enumerated
- Nov 9, 2005
- Record last updated
- Jan 6, 2025
- Fax
- (708) 448-6350
- Medicaid ID
- 036085467 IL
- Medicare enrollment
- Enrolled (PECOS I20031230000148); accepts Medicare assignment
- Medical or professional school
- Chicago College Of Osteopathy, 1989
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,874 in Illinois → Look up another NPI →
Also registered at 12251 S 80TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory J. Ostrowski 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 036085467Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationPalos Heights, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory J. Ostrowski among 1,874 diagnostic radiology physician records in Illinois
Gregory J. Ostrowski, DO is one of 1,874 diagnostic radiology physician records with a practice address in Illinois. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1989 · median 2004 among the 1,201 with a school on file
- Record last updated2025 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 diagnostic radiology physician records list a practice address in Palos Heights
They are 19 of the 992 NPPES records with a practice address in Palos Heights, and 1,874 diagnostic radiology physician records in Illinois.
All 1,874 in Illinois → Every provider in Palos Heights → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Mumtaz Chinoy, M.D.Palos Heights, IL 604631720091713
- Fawn Cohen, M.D.Palos Heights, IL 604631780852822
- Paresh Dixit, M.D.Palos Heights, IL 604631306824511
- Daniel Frankel, M.D.Palos Heights, IL 604631497747497
- David Garagiola, M.D.Palos Heights, IL 604631760495774
- Sandra Horowitz, M.D.Palos Heights, IL 604631194738161
- Jon Jester, M.D.Palos Heights, IL 604631093715864
- David Lewin, M.D.Palos Heights, IL 604631316950223
Common questions
What is Gregory J. Ostrowski, DO's NPI number?
Gregory J. Ostrowski, DO's National Provider Identifier (NPI) is 1417938143, issued on Nov 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory J. Ostrowski, DO located?
The NPPES record lists a practice address at 12251 S 80TH Ave, Palos Heights, IL, 60463. Phone: (708) 923-4000. Providers update this record themselves, so call before visiting.
How can I verify Gregory J. Ostrowski, DO's license?
NPPES lists Illinois license number 036085467, 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 Gregory J. Ostrowski, DO's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.