JUSTIN D FLOYD DO
NPI 1629164678
Internal Medicine - Medical Oncology in O Fallon, IL
About Justin D Floyd Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JUSTIN D FLOYD DO (NPI 1629164678) is an individual medical oncology provider in O Fallon, Illinois, licensed in Illinois (036112641) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with St Johns Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Justin D Floyd Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Justin Floyd reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chester, IL 62233
- Reassigned Medicare billing, Illinois enrollment
- 62 clinicians in this Medicare group
Decatur, IL 62526
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Cancer Care Specialists Of Central Illinois Sc
- 36 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 68
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Johns Hospital
Acute Care Hospitals · Springfield, ILSt Josephs Hospital
Acute Care Hospitals · Breese, ILHshs St Elizabeth's Hospital
Acute Care Hospitals · O Fallon, ILSt Joseph's Hospital
Critical Access Hospitals · Highland, ILMemorial Hospital
Critical Access Hospitals · Chester, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62269 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
O FALLON, IL 62269
O FALLON, IL 62269
O FALLON, IL 62269
O FALLON, IL 62269
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Justin Floyd's NPI number?
The NPI number for Justin Floyd is 1629164678. It was assigned to this individual provider in the NPPES registry on October 5, 2006.
Where is Justin Floyd located?
Justin Floyd practices at 321 Regency Park Ste 100, O Fallon, IL 62269. The listed phone number is (618) 416-7970.
What is Justin Floyd's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Justin Floyd enrolled in Medicare?
Yes. Justin Floyd is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Justin Floyd's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Justin Floyd reassigns Medicare benefits to 2 organizations: Memorial Hospital (Chester, IL) and Cancer Care Specialists Of Central Illinois, S.C. (Decatur, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Justin Floyd's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Justin Floyd accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Justin Floyd as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Justin Floyd affiliated with any hospitals?
According to CMS data, Justin Floyd is affiliated with St Johns Hospital, St Josephs Hospital, Hshs St Elizabeth's Hospital, St Joseph's Hospital and Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Justin Floyd was last updated on December 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.