DR. GREGORY J OSTROWSKI DO
NPI 1417938143
Radiology - Diagnostic Radiology in Palos Heights, IL

Q: What is Gregory Ostrowski's NPI number?

The NPI number for Gregory Ostrowski is 1417938143. It was assigned to this individual provider in the NPPES registry on November 9, 2005.

Q: What is Gregory Ostrowski's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Ostrowski was last updated on January 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since November 09, 2005PECOS EnrolledAccepts Medicare Assignment

0/100

CMS Quality Rating

12251 S 80TH AVE, PALOS COMMUNITY HOSPITAL, PALOS HEIGHTS, IL 60463(708) 923-4000(708) 448-6350 Get Directions Write a Review

NPPES record last updated: January 6, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Dr. Gregory J Ostrowski Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GREGORY J OSTROWSKI DO (NPI 1417938143) is an individual diagnostic radiology provider in Palos Heights, Illinois, licensed in Illinois (036085467) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Palos Community Hospital, and is a graduate of Chicago College Of Osteopathy (1989).

NPPES Registry Identity

NPI1417938143

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameDR. GREGORY J OSTROWSKICredential: DO

Location Address12251 S 80TH AVE, PALOS COMMUNITY HOSPITALPalos Heights, IL 60463-1256

Mailing Address7808 W College Dr, Suite 1sePalos Heights, IL 60463-1027 · (708) 448-6300 · Fax (708) 448-6350

Phone(708) 923-4000

Fax(708) 448-6350

Sole ProprietorNo

Medical School CMSChicago College Of OsteopathyGraduated 1989

Enumeration DateNovember 9, 2005

Last NPPES UpdateJanuary 6, 2025

NPPES CertifiedJanuary 6, 2025

✔ NPI 1417938143 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in IL · 036085467

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Also ListedRadiology · Vascular & Interventional RadiologyTaxonomy 2085R0204X · License 036085467 (IL)

12251 S 80TH AVE, Palos Heights, IL 60463

Open in Google Maps ↗

Other Identifiers 1

Medicaid036085467IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Gregory J Ostrowski Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6608774542

PECOS Enrollment IDI20031230000148

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Gregory Ostrowski reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Radiology & Nuclear Consultants Ltd

0.1 mi

Diagnostic Radiology

12251 S 80TH AVE, PALOS COMMUNITY HOSPITAL
Palos Heights, IL 60463

Reassigned Medicare billing, Illinois enrollment
25 clinicians in this Medicare group

NPI 1376535815 (708) 923-4000

Northwestern Medical Faculty Foundation

35 mi

Multi-Specialty

DEPT 5777
Carol Stream, IL 60122

Reassigned Medicare billing, Illinois enrollment
4,817 clinicians in this Medicare group

NPI 1346235314 (855) 694-2866

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 68

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

4,420 services49 patients

Injection, gadoterate meglumine, 0.1 ml A9575

Gadoterate meglumine is a contrast agent used in MRI scans to help visualize certain areas of your body more clearly. It's injected into your bloodstream, typically through a vein in your arm, and helps doctors get more detailed images.

2,895 services18 patients

Screening mammography 77067

Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.

398 services398 patients

Screening 3d breast mammography 77063

Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.

397 services397 patients

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

371 services337 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

262 services258 patients

Dxa bone density measurement of hip, pelvis, spine 77080

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

215 services215 patients

Screening 3d breast mammography 77063

160 services160 patients

Screening mammography 77067

160 services160 patients

3d radiographic procedure 76376

A 3D radiographic procedure is a non-invasive imaging test that helps doctors visualize the internal structures of your body in three dimensions. This advanced technology provides detailed images, aiding in accurate diagnosis and treatment planning. It involves exposure to minimal radiation.

133 services132 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

114 services113 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

113 services113 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

91 services91 patients

Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279

Diagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.

88 services85 patients

Ct scan of blood vessels of chest with contrast 71275

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

78 services78 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

77 services77 patients

Nuclear medicine study from skull base to mid-thigh with ct scan 78815

A nuclear medicine study from skull base to mid-thigh with a CT scan involves using a small amount of radioactive material and CT imaging to examine body tissues and organs. This helps detect any abnormalities by providing detailed images of the body's internal structure.

67 services66 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

65 services65 patients

Mri scan of brain without contrast 70551

An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.

60 services60 patients

Diagnostic mammography of both breasts 77066

Diagnostic mammography involves using special imaging technology to capture detailed images of both breasts. This procedure helps in identifying any unusual changes or abnormalities. It's a crucial step in ensuring breast health and early detection of potential issues.

59 services58 patients

Limited ultrasound scan of 1 breast 76642

A limited ultrasound scan of one breast is a non-invasive imaging test. It uses sound waves to create pictures of the inside of your breast. It helps identify any unusual growths or changes. It's safe, quick, and typically painless.

58 services57 patients

Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries A9552

Fluorodeoxyglucose F-18 FDG is a radioactive drug used in PET scans. It helps doctors see how your tissues and organs are functioning. The drug is given in a specific dose, up to 45 millicuries, depending on your body size and the type of scan.

58 services57 patients

Limited ultrasound scan behind abdominal cavity 76775

A limited ultrasound scan behind the abdominal cavity is a non-invasive imaging method that helps visualize structures in the back of your abdomen. This procedure uses sound waves to create pictures of these areas, assisting in diagnosing certain conditions.

52 services52 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

49 services49 patients

Ct scan of upper spine without contrast 72125

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

49 services49 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

49 services49 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

47 services47 patients

Ct scan of chest without contrast 71250

42 services42 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

41 services38 patients

Diagnostic mammography of 1 breast 77065

Diagnostic mammography of 1 breast is a detailed imaging test that allows doctors to closely examine a specific area in the breast. It's often used when a routine screening reveals an abnormality. This test can help identify any unusual changes or issues.

40 services39 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

37 services37 patients

Mri scan of brain before and after contrast 70553

An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.

35 services35 patients

Ct scan of blood vessels of head with contrast 70496

A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.

32 services32 patients

Ct scan of blood vessels of neck with contrast 70498

A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.

29 services29 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

29 services29 patients

Ultrasound scan of head and neck soft tissue 76536

28 services28 patients

Limited ultrasound scan behind abdominal cavity 76775

27 services27 patients

Ct scan of chest with contrast 71260

24 services24 patients

Mri scan of lower spinal canal without contrast 72148

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

24 services24 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

23 services22 patients

Mri scan of abdomen before and after contrast 74183

An MRI scan of the abdomen before and after contrast provides detailed images of your abdominal organs. Initially, images are taken without a contrast agent. Then, a safe dye is administered, usually via an IV, to highlight certain areas, giving a clearer picture to help diagnose various conditions.

23 services23 patients

Complete ultrasound scan of 1 breast 76641

A complete ultrasound scan of one breast is a non-invasive imaging test that uses sound waves to create detailed images of the inside of your breast. It helps in detecting any abnormalities or changes, ensuring your breast health.

22 services22 patients

Ct scan of abdomen and pelvis with contrast 74177

21 services21 patients

3d radiographic procedure with computerized image postprocessing 76377

A 3D radiographic procedure with computerized image postprocessing is a high-tech imaging test. It uses X-rays to create detailed 3D images of the body. The computerized postprocessing further enhances these images for more precise diagnosis and treatment planning.

21 services21 patients

Dxa bone density measurement of hip, pelvis, spine 77080

21 services21 patients

Limited ultrasound scan of abdomen 76705

18 services18 patients

Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279

18 services18 patients

Mri scan of lower spinal canal without contrast 72148

17 services17 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

17 services16 patients

Diagnostic mammography of 1 breast 77065

17 services17 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

16 services16 patients

Limited ultrasound scan of 1 breast 76642

16 services16 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

16 services16 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

15 services15 patients

Ct scan of leg without contrast 73700

A CT scan of the leg is a non-invasive imaging test that uses X-rays to capture detailed images of your leg's bones, muscles, and blood vessels. It doesn't use contrast dye and doesn't cause any pain. It helps in diagnosing injuries or diseases.

15 services14 patients

Ct scan of abdomen and pelvis before and after contrast 74178

A CT scan of your abdomen and pelvis with and without contrast helps visualize your internal organs better. Contrast is a special dye that improves the clarity of the images. It's taken orally or injected into your veins before the scan. The process is painless and quick.

15 services15 patients

Imaging for evaluation of swallowing function 74230

This process, known as a swallowing study, uses imaging technology to view how food and liquid move from your mouth to your stomach. It helps identify any issues you may have swallowing, which can be crucial for determining the best treatment plan.

15 services15 patients

Ultrasound of both sides of head and neck blood flow 93880

15 services15 patients

Ct scan of lower spine without contrast 72131

A CT scan of the lower spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed images of your lower back area, helping to detect conditions like fractures, infections, or tumors. It's painless and generally quick.

14 services13 patients

X-ray of lower and sacral spine, minimum of 4 views 72110

An X-ray of the lower and sacral spine involves capturing images of your lower back and tailbone area. It helps in identifying issues like fractures, arthritis, or other abnormalities. At least four different angles or 'views' are taken to get a comprehensive picture.

13 services13 patients

Mri scan of brain before and after contrast 70553

12 services12 patients

X-ray of pelvis, 1-2 views 72170

An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.

12 services12 patients

X-ray of thigh bone, minimum 2 views 73552

An X-ray of the thigh bone is a non-invasive imaging test. It involves passing a small amount of radiation through the thigh to produce images of the bone structure. At least two different angles are captured for a comprehensive view. This helps detect fractures, infections, or other abnormalities.

12 services12 patients

Nuclear medicine study of bone and/or joint whole body 78306

A nuclear medicine study of bone and/or joint whole body involves injecting a small amount of radioactive material into your body. This material travels to your bones and emits energy. A special camera captures this energy, creating images of your bones to help identify any abnormalities.

12 services12 patients

Nuclear medicine study of lung circulation 78580

A nuclear medicine study of lung circulation involves the use of a safe, radioactive substance to visualize lung function. It helps in diagnosing conditions like blood clots. The substance is injected and images are taken to study the blood flow in your lungs.

12 services12 patients

Ct scan of blood vessels of abdomen and pelvis with contrast 74174

A CT scan of the abdomen and pelvis with contrast is a medical imaging procedure. A special dye, called contrast, is used to make blood vessels more visible. The scan produces detailed images of your abdomen and pelvis, helping doctors to diagnose conditions or plan treatments.

11 services11 patients

Mri scan of abdomen before and after contrast 74183

11 services11 patients

Nuclear medicine study of liver and bile duct system 78226

A nuclear medicine study of the liver and bile duct system involves the use of a small amount of radioactive material to create detailed images. This helps doctors examine the liver's function and structure, and detect any abnormalities in the bile ducts.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Palos Community Hospital

Acute Care Hospitals · Palos Heights, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140062

Location12251 South 80th AvenuePalos Heights, IL 60463 · Cook County

Emergency services Birthing friendly

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140208

Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County

Emergency services Birthing friendly

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140242

Location25 North Winfield RoadWinfield, IL 60190 · Du Page County

Emergency services Birthing friendly

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140281

Location251 E Huron StChicago, IL 60611 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60463 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$94.06 typical visit price

range $60.08 – $183.39

Typical copayment $23.51 (range $15.02 – $45.84)

Most-billed visit code 99203

Established Patient

$74.80 typical visit price

range $18.97 – $148.12

Typical copayment $18.70 (range $4.74 – $37.03)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

0/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

Improvement Activities

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MATTHEW SCOTT KOMINSKY MD

Anesthesiology

12251 S 80TH AVE
PALOS HEIGHTS, IL 60463

Cook County (708) 923-4000

NOOR BADER APRN, CRNA

Nurse Anesthetist, Certified Registered

12251 S 80TH AVE
PALOS HEIGHTS, IL 60463

Cook County (708) 923-3936

DR. JOSEPH C BREMER JR. M.D.

Emergency Medicine

12251 S 80TH AVE
PALOS HEIGHTS, IL 60463

Cook County (708) 923-5800

MARIKAY T GAZDA LCSW

Social Worker (Clinical)

12251 S 80TH AVE
PALOS HEIGHTS, IL 60463

Cook County (708) 923-4941

MICHAEL J BAUTISTA M.D.

Anesthesiology

12251 S 80TH AVE, PALOS COMMUNITY HOSPITAL
PALOS HEIGHTS, IL 60463

Cook County (708) 923-5700

VALERIE SAFFAR APRN, CNP

Nurse Practitioner

12251 S 80TH AVE
PALOS HEIGHTS, IL 60463

Cook County (708) 923-5869

WINSTON DANG MD

Hospitalist

12251 S 80TH AVE
PALOS HEIGHTS, IL 60463

Cook County (708) 923-4000

EMILY MACKANIN PT

Physical Therapist

12251 S 80TH AVE
PALOS HEIGHTS, IL 60463

Cook County (708) 923-3368

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Ostrowski's NPI number?

The NPI number for Gregory Ostrowski is 1417938143. It was assigned to this individual provider in the NPPES registry on November 9, 2005.

Where is Gregory Ostrowski located?

Gregory Ostrowski practices at 12251 S 80th Ave Palos Community Hospital, Palos Heights, IL 60463. The listed phone number is (708) 923-4000.

What is Gregory Ostrowski's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Gregory Ostrowski enrolled in Medicare?

Yes. Gregory Ostrowski is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Gregory Ostrowski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Ostrowski reassigns Medicare benefits to 2 organizations: Radiology & Nuclear Consultants Ltd (Palos Heights, IL) and Northwestern Medical Faculty Foundation (Carol Stream, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gregory Ostrowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Ostrowski accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Gregory Ostrowski as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Gregory Ostrowski affiliated with any hospitals?

According to CMS data, Gregory Ostrowski is affiliated with Palos Community Hospital, Advocate Christ Hospital & Medical Center, Northwestern Medicine Central Dupage Hospital and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Ostrowski was last updated on January 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.