DR. TOBENNA IGWEONU NWIZU M.D.
NPI 1881879716
Internal Medicine - Hematology & Oncology in Rowlett, TX
About Dr. Tobenna Igweonu Nwizu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TOBENNA IGWEONU NWIZU M.D. (NPI 1881879716) is an individual hematology & oncology provider in Rowlett, Texas, licensed in Texas (Q6352) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS, is affiliated with Hunt Regional Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 2
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
Dr. Tobenna Igweonu Nwizu M.d. 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 Reassignment
Medicare enrollment records show Tobenna Nwizu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Dallas, TX 75246
- Reassigned Medicare billing, Texas enrollment
- 1,054 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 52
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.
Hunt Regional Medical Center
Acute Care Hospitals · Greenville, TXMethodist Richardson Medical Center
Acute Care Hospitals · Richardson, TXBaylor Scott And White Medical Center Lake Pointe
Acute Care Hospitals · Rowlett, TXBaylor Scott & White Medical Center Plano
Acute Care Hospitals · Plano, TXTexas Health Presbyterian Hospital Rockwall
Acute Care Hospitals · Rockwall, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75088 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.
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 Tobenna Nwizu's NPI number?
The NPI number for Tobenna Nwizu is 1881879716. It was assigned to this individual provider in the NPPES registry on January 9, 2008.
Where is Tobenna Nwizu located?
Tobenna Nwizu practices at 7501 Lakeview Pkwy Ste 100, Rowlett, TX 75088. The listed phone number is (972) 412-2577.
What is Tobenna Nwizu's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Tobenna Nwizu enrolled in Medicare?
Yes. Tobenna Nwizu 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 organization bills Medicare for Tobenna Nwizu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tobenna Nwizu reassigns Medicare benefits to Texas Oncology PA (Dallas, TX). The 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 Tobenna Nwizu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tobenna Nwizu accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 11 other insurers list Tobenna Nwizu 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 Tobenna Nwizu affiliated with any hospitals?
According to CMS data, Tobenna Nwizu is affiliated with Hunt Regional Medical Center, Methodist Richardson Medical Center, Baylor Scott And White Medical Center Lake Pointe, Baylor Scott & White Medical Center Plano and Texas Health Presbyterian Hospital Rockwall.
When was this NPI record last updated?
The NPPES record for Tobenna Nwizu was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.