M.bassel Atassi, M.D.
Hematology & Oncology Physician · Evergreen Park, IL
M.bassel Atassi, M.D. is a hematology & oncology physician with a practice address in Evergreen Park, Illinois, and NPI 1689876328, issued on Jun 4, 2007. Check the license (Illinois 036125377, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- M.bassel Atassi
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 036125377 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2800 W 95TH St, Evergreen Park, IL 60805
- Phone
- (708) 229-6020
- Enumerated
- Jun 4, 2007
- Record last updated
- Jun 23, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (708) 229-6083
- Medicare enrollment
- Enrolled (PECOS I20130812000766); 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 2800 W 95TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vincent Adduci, CRNACertified Registered Nurse Anesthetist1790915890
- Mary Alberts, FNPFamily Nurse Practitioner1548041544
- Sunil Arora, M.D.Emergency Medicine Physician1609018217
- Merrill Barnes, MDAnatomic Pathology & Clinical Pathology Physician1033738034
- Maria Bayas, NPAcute Care Nurse Practitioner1972740660
- Karyn Benak, CRNACertified Registered Nurse Anesthetist1013959352
Verify M.bassel Atassi 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 036125377Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,279 Medicare Part D claims for 207 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims. 121 claims were for opioids.
Most prescribed
- Eliquis96 claims
- Prochlorperazine Maleate80 claims
- Abiraterone Acetate79 claims
- Ondansetron Hcl75 claims
- Prednisone72 claims
- Revlimid71 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.
Industry payments in 2024: $303.42
7 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific 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
- Osf Multi-Specialty GroupEvergreen, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
M.bassel Atassi among 666 hematology & oncology physician records in Illinois
M.bassel Atassi, 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 2007, is newer than 43% of them.
- NPI issued2007 · 43% of these records are older, 48% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2004 · median 2003 among the 461 with a school on file
- Record last updated2014 · 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).
Hematology & Oncology Physician providers in Illinois
There are 666 hematology & oncology physician records in Illinois.
All 666 in Illinois → Every provider in Evergreen Park → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Prabodh Shah, M.D.Evergreen Park, IL 608051316935240
- Susan Brown, MDNiles, IL 607141003805375
- John Eklund, MDNiles, IL 607141174510523
- David Hakimian, MDNiles, IL 607141972590347
- Bruce Kaden, MDNiles, IL 607141720075179
- Leonard KleinNiles, IL 607141255328878
- Kristen Wendell, DONiles, IL 607141619219722
- Denis Umeh, M.D.Lincolnwood, IL 607121326232505
Common questions
What is M.bassel Atassi, M.D.'s NPI number?
M.bassel Atassi, M.D.'s National Provider Identifier (NPI) is 1689876328, issued on Jun 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is M.bassel Atassi, M.D. located?
The NPPES record lists a practice address at 2800 W 95TH St, Evergreen Park, IL, 60805. Phone: (708) 229-6020. Providers update this record themselves, so call before visiting.
How can I verify M.bassel Atassi, M.D.'s license?
NPPES lists Illinois license number 036125377, 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 M.bassel Atassi, M.D. prescribe under Medicare Part D?
In 2024, M.bassel Atassi, M.D. had 1,279 Medicare Part D claims for 207 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
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.