Doctor profile · Federal record
Dr. Leonard Giannone, MD
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Springfield, IL
- NPI 1245297571
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 47 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
900 N. 1St Street
Springfield, IL 627023749
(217) 528-7541
fax (217) 527-2830 - Mailing address
-
1025 S 6Th St
Springfield, IL 627032403
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- May 22, 2020
- Year of graduation
- 1979 — 47 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Illinois #036061203
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1245297571. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
12,324
Distinct HCPCS
9
Medicare allowed
$75,267
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J1756 |
Injection, iron sucrose, 1 mg | 11,400 | 12 | $0 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 336 | 110 | $127 | |
J7050 |
Infusion, normal saline solution, 250 cc | 245 | 22 | $1 | |
96365 |
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 107 | 15 | $62 | |
J9217 |
Leuprolide acetate (for depot suspension), 7.5 mg | 73 | 11 | $169 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 68 | 52 | $90 | |
96372 |
Injection of drug or substance under skin or into muscle | 47 | 12 | $14 | |
96402 |
Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle | 28 | 11 | $33 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 20 | 20 | $167 |
In context: peer comparison
Among 8 peers in Springfield Hematology & Oncology Physician, average services per provider: 1,015. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$22
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Gilead Sciences, INC. | 1 | $21.93 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
421
Patients
43
Total drug cost
$1,572,885
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 133 | 43 | $3,408 |
| Eliquis (Apixaban) | Brand | 41 | 0 | $31,717 |
| Imbruvica (Ibrutinib) | Brand | 34 | 0 | $477,257 |
| Alprazolam | Generic | 25 | 0 | $335 |
| Revlimid (Lenalidomide) | Brand | 23 | 0 | $523,560 |
| Prednisone | Generic | 22 | 0 | $378 |
| Xarelto (Rivaroxaban) | Brand | 22 | 0 | $13,862 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 19 | 0 | $619 |
| Fluoxetine Hcl | Generic | 16 | 0 | $293 |
| Imatinib Mesylate | Generic | 16 | 0 | $48,980 |
Hospital affiliations
Frequently asked questions
What is Dr. Leonard Giannone's medical specialty?
Dr. Leonard Giannone practices Hematology & Oncology Physician in Springfield, IL.
Where does Dr. Leonard Giannone practice?
Dr. Leonard Giannone practices at 900 N. 1St Street, Springfield, IL 627023749. Office phone: 2175287541.
What is Dr. Leonard Giannone's NPI?
Dr. Leonard Giannone's National Provider Identifier (NPI) is 1245297571, issued by NPPES.
Does Dr. Leonard Giannone accept Medicare assignment?
Yes. Dr. Leonard Giannone accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leonard Giannone commonly perform?
Top Medicare-reported procedures in 2023: Injection, iron sucrose, 1 mg (HCPCS J1756); Established patient office or other outpatient visit (HCPCS 99214); Infusion, normal saline solution, 250 cc (HCPCS J7050). Source: CMS Medicare Physician & Other Practitioners file.