Doctor profile · Federal record
Dr. Justin Floyd, DO
Medical Oncology Physician (CMS: Hematology/Oncology) · Medical Oncology Physician · O Fallon, IL
- NPI 1629164678
- Accepts Medicare
- MIPS 73.6 / 100 · 2023
- 26 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
321 Regency Park Ste 100
O Fallon, IL 622691887
(618) 416-7970
fax (618) 416-7971 - Additional location
-
1900 State St
Chester, IL 622331116
(618) 826-4581
fax (618) 826-5152 - Additional location
-
9515 Holy Cross Ln Ste 6
Breese, IL 622303618 - Mailing address
-
210W McKinley Ave 1
Decatur, IL 625265858
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- December 8, 2023
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State licenses (2)
- Illinois #036112641 · Missouri #2001014924
- Medicaid
- IL #036112641
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629164678. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
109,975
Distinct HCPCS
10
Medicare allowed
$1,597,963
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J1439 |
Injection, ferric carboxymaltose, 1 mg | 36,750 | 25 | $1 | |
Q9967 |
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 20,700 | 105 | $0 | |
J9271 |
Injection, pembrolizumab, 1 mg | 16,200 | 11 | $54 | |
J0185 |
Injection, aprepitant, 1 mg | 11,310 | 16 | $2 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 3,852 | 46 | $0 | |
J2405 |
Injection, ondansetron hydrochloride, per 1 mg | 3,080 | 37 | $0 | |
J2469 |
Injection, palonosetron hcl, 25 mcg | 2,100 | 32 | $1 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,556 | 352 | $125 | |
96375 |
Injection of additional new drug or substance into vein | 1,522 | 64 | $15 | |
36415 |
Insertion of needle into vein for collection of blood sample | 1,186 | 350 | $8 |
In context: peer comparison
Among 1 peers in O Fallon Medical Oncology Physician, average services per provider: 1,571. This provider delivers 70× the peer median.Open Payments
Industry payments received
All-time total
$2,164
Transactions
61
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 11 | $226.99 | |
| US Oncology Corporate, INC. | 1 | $218.00 | |
| E.R. Squibb & Sons, L.L.C. | 10 | $193.20 | |
| Pfizer INC. | 9 | $183.59 | |
| Cardinal Health 108 LLC | 1 | $159.48 | |
| Emd Serono, INC. | 9 | $149.12 | |
| Janssen Biotech, INC. | 2 | $143.32 | |
| Celltrion USA INC. | 1 | $104.30 | |
| Asd Specialty Healthcare, LLC | 1 | $103.13 | |
| Rigel Pharmaceuticals, INC. | 5 | $78.26 | |
| Genzyme Corporation | 3 | $72.88 | |
| Genentech USA, INC. | 3 | $66.05 | |
| Astellas Pharma US INC | 2 | $54.44 | |
| Abbvie INC. | 2 | $49.23 | |
| BeiGene USA, INC. | 1 | $47.03 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
835
Patients
331
Total drug cost
$654,195
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ondansetron Hcl | Generic | 111 | 70 | $1,113 |
| Anastrozole | Generic | 105 | 35 | $1,543 |
| Prochlorperazine Maleate | Generic | 82 | 62 | $1,279 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 78 | 23 | $1,545 |
| Eliquis (Apixaban) | Brand | 54 | 18 | $52,833 |
| Prednisone | Generic | 52 | 26 | $257 |
| Potassium Chloride | Generic | 47 | 23 | $439 |
| Acyclovir | Generic | 45 | 14 | $879 |
| Dexamethasone | Generic | 44 | 18 | $1,233 |
| Hydroxyurea | Generic | 41 | 12 | $993 |
Frequently asked questions
What is Dr. Justin Floyd's medical specialty?
Dr. Justin Floyd practices Medical Oncology Physician in O Fallon, IL.
Where does Dr. Justin Floyd practice?
Dr. Justin Floyd practices at 321 Regency Park Ste 100, O Fallon, IL 622691887. Office phone: 6184167970.
What is Dr. Justin Floyd's NPI?
Dr. Justin Floyd's National Provider Identifier (NPI) is 1629164678, issued by NPPES.
Does Dr. Justin Floyd accept Medicare assignment?
Yes. Dr. Justin Floyd accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Justin Floyd commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Injection, pembrolizumab, 1 mg (HCPCS J9271). Source: CMS Medicare Physician & Other Practitioners file.