Justin Floyd, DO
NPI 1629164678 · Medical Oncology Physician · O Fallon, IL
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Floyd, DO is a Medical Oncology Physician provider in O Fallon, IL (NPI 1629164678).
Provider details
- NPI number
- 1629164678
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 2001014924 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
13,425 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,484 | $124 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 1,391 | $14 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,143 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 1,041 | $10 |
| Microscopic Examination for White Blood Cells With Manual Cell Count85007 | 752 | $4 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test85027 | 752 | $6 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetron Hcl | 125 | 80 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 124 | 26 |
| Anastrozole | 116 | 39 |
| Prochlorperazine Maleate | 90 | 69 |
| Apixabanbrand: Eliquis | 85 | 18 |
| Potassium Chloride | 72 | 37 |
| Prednisone | 72 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,164 across 78 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 9515 Holy Cross Ln Ste 6Breese, IL 62230-3618Phone: (618) 416-7970Fax: (618) 416-7971
- 1900 State StChester, IL 62233-1116Phone: (618) 826-4581Fax: (618) 826-5152
Registry dates
- Enumerated
- 2006-10-05
- Last updated
- 2023-12-08
- Certified
- 2023-12-08
Frequently asked questions
- What is Justin Floyd's NPI number?
- Justin Floyd's National Provider Identifier (NPI) is 1629164678, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Floyd's specialty?
- Justin Floyd is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Floyd located?
- Justin Floyd's practice location on file with NPPES is 321 Regency Park Ste 100, O Fallon, IL 62269-1887.
- What is Justin Floyd's phone number?
- The practice phone number listed in the NPPES registry for Justin Floyd is (618) 416-7970.
- Does Justin Floyd accept Medicare?
- Justin Floyd is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Floyd's NPI active?
- Yes — Justin Floyd's NPI (1629164678) is active in the NPPES registry as of the last update on 2023-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.