Doctor profile · Federal record
Dr. Leo Gordon, MD
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hematology (Internal Medicine) Physician · Chicago, IL
- NPI 1821028499
- Accepts Medicare
- MIPS 91.3 / 100 · 2023
- 53 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
675 N Saint Clair St, Galter 21-100
Chicago, IL 606115975
(312) 695-0990
fax (312) 695-6189 - Mailing address
-
680 N Lake Shore Dr, Suite 1000
Chicago, IL 606114546
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- January 6, 2025
- Year of graduation
- 1973 — 53 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State licenses (2)
- Illinois #036050052 · Illinois #036-050052
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821028499. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
44,125
Distinct HCPCS
10
Medicare allowed
$1,368,478
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J9299 |
Injection, nivolumab, 1 mg | 9,120 | 18 | $30 | |
J9144 |
Injection, daratumumab, 10 mg and hyaluronidase-fihj | 8,100 | 29 | $47 | |
J0881 |
Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 6,100 | 13 | $3 | |
J9271 |
Injection, pembrolizumab, 1 mg | 5,200 | 18 | $54 | |
J1453 |
Injection, fosaprepitant, 1 mg | 4,050 | 23 | $0 | |
J1569 |
Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg | 2,490 | 32 | $45 | |
J0897 |
Injection, denosumab, 1 mg | 1,740 | 12 | $23 | |
J9041 |
Injection, bortezomib, 0.1 mg | 1,431 | 30 | $6 | |
Q5107 |
Injection, bevacizumab-awwb, biosimilar, (mvasi), 10 mg | 1,072 | 11 | $28 | |
J0461 |
Injection, atropine sulfate, 0.01 mg | 680 | 12 | $0 |
In context: peer comparison
Among 77 peers in this city , average services per provider: 870. This provider delivers 51× the peer median.Open Payments
Industry payments received
All-time total
$5,771
Transactions
4
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 2 | $2,452.50 | |
| Genentech USA, Inc. | 1 | $2,280.00 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $1,038.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
83
Patients
23
Total drug cost
$659
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Acyclovir | Generic | 43 | 12 | $430 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 40 | 11 | $229 |
Hospital affiliations
Frequently asked questions
What is Dr. Leo Gordon's medical specialty?
Dr. Leo Gordon practices Hematology & Oncology Physician in Chicago, IL.
Where does Dr. Leo Gordon practice?
Dr. Leo Gordon practices at 675 N Saint Clair St, Chicago, IL 606115975. Office phone: 3126950990.
What is Dr. Leo Gordon's NPI?
Dr. Leo Gordon's National Provider Identifier (NPI) is 1821028499, issued by NPPES.
Does Dr. Leo Gordon accept Medicare assignment?
Yes. Dr. Leo Gordon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leo Gordon commonly perform?
Top Medicare-reported procedures in 2023: Injection, nivolumab, 1 mg (HCPCS J9299); Injection, daratumumab, 10 mg and hyaluronidase-fihj (HCPCS J9144); Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS J0881). Source: CMS Medicare Physician & Other Practitioners file.