Dr. Gregory J. Ostrowski, DO
- Medicare services, 2024
- 11,434
- Medicare patients, 2024
- 2,762
- Hospital affiliations
- 3
- Industry payments
- $128
- Medical groups
- 2
- Practice address
- 12251 South 80th Avenue, Palos Heights, IL 60463
- Practice phone
- Call (708) 923-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ostrowski's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gregory J. Ostrowski is a diagnostic radiologist in Palos Heights, Illinois
Dr. Ostrowski practices at Northwestern Medicine Palos Hospital in Palos Heights, Illinois, part of Northwestern Memorial HealthCare.
Dr. Ostrowski's NPI, 1417938143, was assigned on November 9, 2005. Dr. Ostrowski graduated from Chicago College of Osteopathy in 1989. Dr. Ostrowski holds Illinois license 036085467.
- NPI
- 1417938143NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608774542
- NPI enumeration date
- November 9, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 923-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory J. Ostrowski practices at Northwestern Medicine Palos Hospital in Palos Heights, Illinois
Dr. Ostrowski's primary practice is Northwestern Medicine Palos Hospital, at 12251 South 80th Avenue, Palos Heights, IL 60463 in Cook County. The practice phone is (708) 923-4000.
- Northwestern Medicine Palos Hospital12251 South 80th Avenue, Palos Heights, IL 60463 · Cook CountyPhone(708) 923-4000
Source: Dmand AI Affiliation Data
Dr. Gregory J. Ostrowski is affiliated with 3 sites of care and 2 medical groups
Dr. Ostrowski's primary practice is Northwestern Medicine Palos Hospital in Palos Heights, Illinois, part of Northwestern Memorial HealthCare. Dr. Ostrowski is also affiliated with Northwestern Medicine Central DuPage Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Ostrowski to 1 more hospital and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory J. Ostrowski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ostrowski practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medicine Palos Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Northwestern Memorial HealthCare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gregory J. Ostrowski is one of 1,336 diagnostic radiologists in Illinois
Diagnostic radiology is Dr. Ostrowski's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Ostrowski is licensed in Illinois.
Specialties and state licenses
- Diagnostic radiology, IllinoisPrimary
Diagnostic radiologists near Dr. Ostrowski
Counts of diagnostic radiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory J. Ostrowski billed Medicare for 11,434 services in 2024
CMS data shows 11,434 Medicare services from Dr. Ostrowski across 51 procedure codes in 2024, for 2,762 Medicare patients. Medicare paid $270,061 for them.
Dr. Ostrowski's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 17,2932024: 7,47957%
- Imaging
- 2023: 6,0632024: 3,74538%
- Tests and treatments
- 2023: 4542024: 21054%
- Surgery
- 2023: 392024: 0100%
Where Dr. Ostrowski's Medicare services took place, 2024
- In an office8,96178%
- In a facility2,47322%
Dr. Ostrowski compared with the Illinois median for diagnostic radiologists, 2024
- Dr. Ostrowski
- Illinois median
- Medicare services
- 11,434vs 2,5754.4 times
- Medicare patients
- 2,762vs 1,83650% above
Medians across 1,261 diagnostic radiologists in Illinois with Dmand AI profiles that report each measure.
Dr. Ostrowski's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Ostrowski?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ostrowski and other diagnostic radiologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory J. Ostrowski treated 2,762 Medicare patients in 2024, average age 75
CMS counts 2,762 Medicare patients who saw Dr. Ostrowski in 2024. The largest group is 65 to 74, with 1,221 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.64, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ostrowski's median patient age at 69, with 74% women.
Dr. Ostrowski's Medicare patients by age, 2024
Dr. Ostrowski's Medicare patients by sex, 2024
- Women1,93670%
- Men82630%
Chronic conditions among Dr. Ostrowski's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Ischemic heart disease38%
- Chronic kidney disease33%
- Diabetes33%
- Anxiety32%
- Atrial fibrillation27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ostrowski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women74%
- Men24%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory J. Ostrowski scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Ostrowski for performance year 2024, reported individually. Dr. Ostrowski accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ostrowski's MIPS scores, performance year 2024
- 0of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 0of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Gregory J. Ostrowski received $128 in industry payments from 2016 to 2025
CMS Open Payments shows 5 general payments to Dr. Ostrowski from 3 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Valeant Pharmaceuticals International paid the most, $75.
General payments to Dr. Ostrowski by program year, 2016 to 2025
Companies that paid Dr. Ostrowski the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory J. Ostrowski graduated from Chicago College of Osteopathy
Dr. Ostrowski graduated from Chicago College of Osteopathy in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory J. Ostrowski's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory J. Ostrowski
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory J. Ostrowski's NPI number?
Dr. Gregory J. Ostrowski's NPI number is 1417938143. It was assigned on November 9, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory J. Ostrowski?
Dr. Gregory J. Ostrowski is a diagnostic radiologist in Palos Heights, Illinois. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Gregory J. Ostrowski practice?
Dr. Ostrowski practices at 12251 South 80th Avenue, Palos Heights, IL 60463. Dr. Ostrowski's primary practice is Northwestern Medicine Palos Hospital in Palos Heights, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Ostrowski to 1 hospital and 1 medical group.
What is Dr. Gregory J. Ostrowski's office phone number?
The practice phone on file for Dr. Ostrowski is (708) 923-4000.
What is Dr. Gregory J. Ostrowski's medical license number?
Dr. Ostrowski holds Illinois license 036085467.
Which hospitals is Dr. Gregory J. Ostrowski affiliated with?
Dr. Ostrowski practices at Northwestern Medicine Palos Hospital in Palos Heights, Illinois. Dr. Ostrowski is also affiliated with Northwestern Medicine Central DuPage Hospital. Dmand AI links Dr. Ostrowski to 1 more hospital.
What medical group is Dr. Gregory J. Ostrowski part of?
Dr. Ostrowski is linked to Northwestern Medical Faculty Foundation. Dmand AI links Dr. Ostrowski to 1 more medical group.
Does Dr. Gregory J. Ostrowski accept Medicare?
Yes. CMS data shows Dr. Ostrowski billed Medicare for 11,434 services in 2024, and Dr. Ostrowski accepts Medicare assignment.
What is Dr. Gregory J. Ostrowski's MIPS score?
Dr. Ostrowski's MIPS final score for performance year 2024 is 0 out of 100, reported individually.
How many Medicare patients does Dr. Gregory J. Ostrowski see?
CMS counts 2,762 Medicare patients who saw Dr. Ostrowski in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Dr. Gregory J. Ostrowski bill to Medicare?
In 2024, Dr. Ostrowski's most billed Medicare services were medicare temporary code (Q9967), medical supplies or transport (A9575) and radiation oncology (77067).
Where did Dr. Gregory J. Ostrowski go to medical school?
Dr. Ostrowski graduated from Chicago College of Osteopathy in 1989.
Has Dr. Gregory J. Ostrowski received payments from drug or device companies?
CMS Open Payments shows $128 in general payments to Dr. Ostrowski from 3 companies from 2016 to 2025. The largest total came from Valeant Pharmaceuticals International.
How long has Dr. Gregory J. Ostrowski been practicing?
Dr. Ostrowski graduated from medical school in 1989, 37 years ago.
Selling to diagnostic radiology practices?
See diagnostic radiologists in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card