Doctor profile · Federal record

Dr. Mohamad Kassar, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Dyer, IN

  • NPI 1063691830
  • Accepts Medicare
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1001 Calumet Ave
Dyer, IN 463111596
(219) 924-8178
fax (219) 924-8179

Credentials & registration

NPPES · NUCC
NPI registered
October 2007 — 19 yrs on file
Profile last updated
March 22, 2021
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Indiana #01064684A
Medicaid
IN #200448210

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063691830. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
413,019
Distinct HCPCS
10
Medicare allowed
$5,899,136
HCPCS Description Services Patients Avg allowed
J9025 Injection, azacitidine, 1 mg 68,700 19 $0
J0641 Injection, levoleucovorin, not otherwise specified, 0.5 mg 64,500 15 $2
J9271 Injection, pembrolizumab, 1 mg 39,600 41 $54
J0185 Injection, aprepitant, 1 mg 34,190 66 $2
J9263 Injection, oxaliplatin, 0.5 mg 24,750 19 $0
J9299 Injection, nivolumab, 1 mg 21,700 11 $30
J0897 Injection, denosumab, 1 mg 18,300 55 $23
J9267 Injection, paclitaxel, 1 mg 15,733 24 $0
J1437 Injection, ferric derisomaltose, 10 mg 7,800 68 $21
J1756 Injection, iron sucrose, 1 mg 6,800 12 $0

In context: peer comparison

Among 3 peers in Dyer Hematology & Oncology Physician, average services per provider: 2,510. This provider delivers 165× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,789
Transactions
64
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 11 $260.53
Gilead Sciences, INC. 10 $235.69
Novartis Pharmaceuticals Corporation 10 $213.83
Janssen Scientific Affairs, LLC 1 $147.06
AstraZeneca Pharmaceuticals Lp 5 $123.33
Abbvie INC. 6 $121.90
Celgene Corporation 4 $100.52
Merck Sharp & Dohme LLC 4 $94.90
Pfizer INC. 4 $84.08
Daiichi Sankyo INC. 2 $51.62
Sobi, INC 2 $49.83
Exelixis INC. 2 $49.82
Genzyme Corporation 1 $38.21
Boehringer Ingelheim Pharmaceuticals, INC. 1 $34.59
Astellas Pharma US INC 1 $28.21

By nature of payment

Food and Beverage
$1,789

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
891
Patients
322
Total drug cost
$2,165,020
Drug Type Claims Patients Total cost
Anastrozole Generic 225 84 $7,515
Calquence (Acalabrutinib Maleate) Brand 72 11 $1,143,115
Prednisone Generic 71 20 $385
Revlimid (Lenalidomide) Brand 70 0 $883,195
Potassium Chloride Generic 65 26 $1,023
Ondansetron Hcl Generic 50 42 $1,208
Letrozole Generic 48 20 $1,822
Acyclovir Generic 42 16 $1,183
Tamoxifen Citrate Generic 42 13 $932
Eliquis (Apixaban) Brand 41 15 $38,948

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mohamad Kassar's medical specialty?
Dr. Mohamad Kassar practices Hematology & Oncology Physician in Dyer, IN.
Where does Dr. Mohamad Kassar practice?
Dr. Mohamad Kassar practices at 1001 Calumet Ave, Dyer, IN 463111596. Office phone: 2199248178.
What is Dr. Mohamad Kassar's NPI?
Dr. Mohamad Kassar's National Provider Identifier (NPI) is 1063691830, issued by NPPES.
Does Dr. Mohamad Kassar accept Medicare assignment?
Yes. Dr. Mohamad Kassar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mohamad Kassar commonly perform?
Top Medicare-reported procedures in 2023: Injection, azacitidine, 1 mg (HCPCS J9025); Injection, levoleucovorin, not otherwise specified, 0.5 mg (HCPCS J0641); Injection, pembrolizumab, 1 mg (HCPCS J9271). Source: CMS Medicare Physician & Other Practitioners file.