Doctor profile · Federal record
Dr. Usman Zaheer, DO
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Romeoville, IL
- NPI 1104319383
- Accepts Medicare
- 8 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
500 S Weber RD
Romeoville, IL 604466528
(815) 773-7732
Credentials & registration
- NPI registered
- June 2018 — 8 yrs on file
- Profile last updated
- July 10, 2024
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Illinois #036170030
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104319383. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$1,353
Transactions
45
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 8 | $183.55 | |
| Janssen Biotech, INC. | 6 | $107.43 | |
| AstraZeneca Pharmaceuticals Lp | 6 | $105.15 | |
| Daiichi Sankyo INC. | 3 | $80.52 | |
| Genentech, INC. | 1 | $68.74 | |
| Takeda Pharmaceuticals U.S.A., INC. | 3 | $67.45 | |
| E.R. Squibb & Sons, L.L.C. | 3 | $61.64 | |
| Merck Sharp & Dohme LLC | 3 | $60.36 | |
| Alexion Pharmaceuticals, INC. | 3 | $60.15 | |
| Pfizer INC. | 3 | $56.89 | |
| Genentech USA, INC. | 2 | $46.69 | |
| TerSera Therapeutics LLC | 1 | $31.90 | |
| SpringWorks Therapeutics, INC. | 1 | $30.21 | |
| Eisai INC. | 1 | $29.47 | |
| Ipsen Biopharmaceuticals, INC | 1 | $28.84 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
234
Patients
106
Total drug cost
$4,072
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 58 | 45 | $1,284 |
| Promethazine Hcl | Generic | 34 | 11 | $225 |
| Oxycodone Hcl | Generic | 27 | 22 | $734 |
| Olanzapine | Generic | 25 | 11 | $203 |
| Letrozole | Generic | 21 | 0 | $316 |
| Gabapentin | Generic | 20 | 0 | $228 |
| Morphine Sulfate ER (Morphine Sulfate) | Brand | 20 | 17 | $617 |
| Prednisone | Generic | 16 | 0 | $96 |
| Ondansetron Odt (Ondansetron) | Brand | 13 | 0 | $369 |
Hospital affiliations
Frequently asked questions
What is Dr. Usman Zaheer's medical specialty?
Dr. Usman Zaheer practices Hematology & Oncology Physician in Romeoville, IL.
Where does Dr. Usman Zaheer practice?
Dr. Usman Zaheer practices at 500 S Weber RD, Romeoville, IL 604466528. Office phone: 8157737732.
What is Dr. Usman Zaheer's NPI?
Dr. Usman Zaheer's National Provider Identifier (NPI) is 1104319383, issued by NPPES.
Does Dr. Usman Zaheer accept Medicare assignment?
Yes. Dr. Usman Zaheer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.