Bassem Chaar, M.D.
Hematology & Oncology Physician · Chicago Ridge, IL
Bassem Chaar, M.D. is a hematology & oncology physician with a practice address in Chicago Ridge, Illinois, and NPI 1497783179, issued on Jun 29, 2006. Check the license (Illinois 036.138654, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Bassem Chaar
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 036.138654 IL
2002015286 MO
Self-reported in NPPES; status is on the state search - Practice location
- 10604 Southwest Hwy Ste 200, Chicago Ridge, IL 60415
- Phone
- (708) 424-9710
- Enumerated
- Jun 29, 2006
- Record last updated
- Dec 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (708) 671-9282
- Medicaid ID
- 205923915 MO
- Medicare enrollment
- Enrolled (PECOS I20150810001138); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 666 in Illinois → Look up another NPI →
Also registered at 10604 Southwest Hwy Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amer Al Homssi, M.D.Hematology & Oncology Physician1215483391
- Nadine Alwawi, PHARMDPharmacist1225743024
- Kristen BugajskiNurse Practitioner1497568133
- Shahira HalimNurse Practitioner1124796941
- Caleigh Jaskierski, APRNNurse Practitioner1659106268
- Mahmoud Mahafzah, MD, PH.DHematology & Oncology Physician1134148091
Verify Bassem Chaar 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 036.138654Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average hematology & oncology physician in 2024
2,260 Medicare Part D claims for 233 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 131 claims were for opioids.
Most prescribed
- Acyclovir191 claims
- Dexamethasone149 claims
- Eliquis145 claims
- Ondansetron Hcl95 claims
- Gabapentin90 claims
- Prednisone89 claims
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.
The MIPS final score for 2023 (Medicare payment program): 96.1 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $897.36
41 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Affiliated Oncologists LLCHazel Crest, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bassem Chaar among 666 hematology & oncology physician records in Illinois
Bassem Chaar, M.D. is one of 666 hematology & oncology physician records with a practice address in Illinois. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 57% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1998 · median 2003 among the 461 with a school on file
- Record last updated2021 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 hematology & oncology physician records list a practice address in Chicago Ridge
They are 3 of the 195 NPPES records with a practice address in Chicago Ridge, and 666 hematology & oncology physician records in Illinois.
All 666 in Illinois → Every provider in Chicago Ridge → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Amer Al Homssi, M.D.Chicago Ridge, IL 604151215483391
- Mahmoud Mahafzah, MD, PH.DChicago Ridge, IL 604151134148091
- Lekha Babu, MDFlossmoor, IL 604221740384023
- Kimberly Kruczek, D.OFlossmoor, IL 604221346569563
- Patrick McGinnis, MDFlossmoor, IL 604221174678684
- John Smallwood, M.D.Flossmoor, IL 604221477629491
- Joehar Hamdan, DOFrankfort, IL 604231508062159
- Donne Bennett Caces, M.D., PH.D.Harvey, IL 604261417274184
Common questions
What is Bassem Chaar, M.D.'s NPI number?
Bassem Chaar, M.D.'s National Provider Identifier (NPI) is 1497783179, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Bassem Chaar, M.D. located?
The NPPES record lists a practice address at 10604 Southwest Hwy Ste 200, Chicago Ridge, IL, 60415. Phone: (708) 424-9710. Providers update this record themselves, so call before visiting.
How can I verify Bassem Chaar, M.D.'s license?
NPPES lists Illinois license number 036.138654, 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.
How much does Bassem Chaar, M.D. prescribe under Medicare Part D?
In 2024, Bassem Chaar, M.D. had 2,260 Medicare Part D claims for 233 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Bassem Chaar, M.D.'s MIPS final score?
The 2023 MIPS final score is 96.1 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.