DR. OKECHUKWU NWABUEZE OBI (MD) – Medical Oncology Physician, NPI 1083134704
Medical Oncology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
727 HEMATOLOGY/ONCOLOGY in IL
Provider Addresses for DR. OKECHUKWU NWABUEZE OBI (MD)
1400 Pin Oak Dr
Carterville, IL 629181600
Phone: (618) 985-3333
Fax: (618) 985-1318
Type: Location
2300 W CHARLESTON BLVD
LAS VEGAS, NV 891022149
Phone: (702) 724-8787
Type: Location
7788, Grace Church Lane, Lorton, Fairfax County, Virginia, 22079, United States
LORTON, VA 220794746
Phone: (270) 320-3158
Type: Mailing
Fantus Health Center, 1901, West Harrison Street, Near West Side, Illinois Medical District, Chicago, Illinois Medical District, Illinois, 60612, United States
CHICAGO, IL 606123714
Phone: (312) 864-6000
Type: Location
PO BOX 35380
LAS VEGAS, NV 891335380
Phone: (702) 954-7457
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 7 Open Payments records for all available years, with a total value of $255.
Total Amount is formed as General ($255) + Research ($0) + Ownership ($0) = $255.
Last reported payment date: 2024-10-23 • Largest payer in this snapshot: Regeneron Healthcare Solutions, Inc. ($98).
Total Amount
$255
General + Research + Ownership
Payments
7
Total payment records
General Amount
$255
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-23
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2023-12-14
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20230622002111 | I | Hematology/Oncology | IL | TBD |
| I20231214001241 | I | Internal Medicine | NV | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 34 | 31 | $0 |
Insurance plans in this area (ZIP 62918)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| H E M A T O L O G Y/ O N C O L O G Y | IL | |
| - | NV | |
| - | NV | |
| - | NV | |
| H E M A T O L O G Y/ O N C O L O G Y | NV | |
| - | TN | |
| Nurse Practitioner | NV | |
| Nurse Practitioner | NV | |
| - | NV | |
| - | DE |
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