Doctor profile · Federal record

Dr. Bassem Chaar, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hematology & Oncology Physician · Chicago Ridge, IL

  • NPI 1497783179
  • Accepts Medicare
  • MIPS 91.1 / 100 · 2023
  • 28 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10604 Southwest Hwy Ste 200
Chicago Ridge, IL 604152717
(708) 424-9710
fax (708) 671-9282
Mailing address
62647 Collection Center Dr
Chicago, IL 606930626

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
December 30, 2021
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Illinois #036.138654 · Missouri #2002015286
Medicaid
MO #205923915

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497783179. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
85,130
Distinct HCPCS
10
Medicare allowed
$1,514,793
HCPCS Description Services Patients Avg allowed
J1439 Injection, ferric carboxymaltose, 1 mg 21,000 14 $1
J9299 Injection, nivolumab, 1 mg 15,000 12 $30
J9263 Injection, oxaliplatin, 0.5 mg 14,000 12 $0
J0185 Injection, aprepitant, 1 mg 13,260 21 $2
J9271 Injection, pembrolizumab, 1 mg 8,000 16 $55
J1100 Injection, dexamethasone sodium phosphate, 1 mg 2,008 49 $0
J1453 Injection, fosaprepitant, 1 mg 1,800 11 $0
J2469 Injection, palonosetron hcl, 25 mcg 1,340 35 $1
J0640 Injection, leucovorin calcium, per 50 mg 757 12 $4
99214 Established patient office or other outpatient visit, 30-39 minutes 706 200 $131

In context: peer comparison

Among 1 peers in Chicago Ridge Hematology & Oncology Physician, average services per provider: 1,934. This provider delivers 44× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$897
Transactions
38
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 12 $200.26
Alexion Pharmaceuticals, INC. 1 $101.00
Abbvie INC. 5 $94.18
E.R. Squibb & Sons, L.L.C. 4 $91.51
Pfizer INC. 4 $79.84
Gilead Sciences, INC. 2 $42.33
Merck Sharp & Dohme LLC 2 $40.96
Puma Biotechnology, INC. 1 $31.97
SpringWorks Therapeutics, INC. 1 $28.03
Tempus Ai, INC 1 $27.70
Amneal Pharmaceuticals LLC 1 $25.98
Pharmacosmos Therapeutics INC. 1 $24.53
Janssen Biotech, INC. 1 $20.42
Taiho Oncology, INC. 1 $19.19
Sobi, INC 1 $19.11

By nature of payment

Food and Beverage
$897

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,094
Patients
250
Total drug cost
$1,198,845
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 122 27 $97,054
Ondansetron Hcl Generic 110 61 $1,116
Dexamethasone Generic 108 31 $3,127
Acyclovir Generic 101 22 $1,783
Prednisone Generic 97 26 $810
Gabapentin Generic 83 19 $686
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 79 26 $1,638
Pantoprazole Sodium Generic 72 20 $518
Abiraterone Acetate Generic 63 0 $188,796
Revlimid (Lenalidomide) Brand 59 0 $872,596

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Bassem Chaar's medical specialty?
Dr. Bassem Chaar practices Hematology & Oncology Physician in Chicago Ridge, IL.
Where does Dr. Bassem Chaar practice?
Dr. Bassem Chaar practices at 10604 Southwest Hwy Ste 200, Chicago Ridge, IL 604152717. Office phone: 7084249710.
What is Dr. Bassem Chaar's NPI?
Dr. Bassem Chaar's National Provider Identifier (NPI) is 1497783179, issued by NPPES.
Does Dr. Bassem Chaar accept Medicare assignment?
Yes. Dr. Bassem Chaar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Bassem Chaar commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, nivolumab, 1 mg (HCPCS J9299); Injection, oxaliplatin, 0.5 mg (HCPCS J9263). Source: CMS Medicare Physician & Other Practitioners file.