Tobenna Nwizu, M.D.
NPI 1881879716 · Hematology & Oncology Physician · Rowlett, TX
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tobenna Nwizu, M.D. is a Hematology & Oncology Physician provider in Rowlett, TX (NPI 1881879716).
Provider details
- NPI number
- 1881879716
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036120500 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
18 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
8,104 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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 814 | $8 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 797 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 764 | $10 |
| Iron Level83540 | 428 | $6 |
| Iron Binding Capacity83550 | 428 | $9 |
| Ferritin (blood Protein) Level82728 | 423 | $13 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 67 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 127 | 25 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 125 | 49 |
| Potassium Chloride | 116 | 51 |
| Gabapentin | 115 | 28 |
| Prednisone | 104 | 45 |
| Apixabanbrand: Eliquis | 104 | 23 |
| Folic Acid | 103 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$28,099 across 122 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)
- 1105 Central Expy N Ste 320Allen, TX 75013-6104Phone: (469) 467-4392Fax: (469) 467-4393
- 530 Clara Barton Blvd Ste 250Garland, TX 75042-5781Phone: (972) 272-3417Fax: (972) 272-2425
Registry dates
- Enumerated
- 2008-01-09
- Last updated
- 2018-03-17
Frequently asked questions
- What is Tobenna Nwizu's NPI number?
- Tobenna Nwizu's National Provider Identifier (NPI) is 1881879716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tobenna Nwizu's specialty?
- Tobenna Nwizu is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Tobenna Nwizu located?
- Tobenna Nwizu's practice location on file with NPPES is 7501 Lakeview Pkwy Ste 100, Rowlett, TX 75088-9330.
- What is Tobenna Nwizu's phone number?
- The practice phone number listed in the NPPES registry for Tobenna Nwizu is (972) 412-2577.
- Does Tobenna Nwizu accept Medicare?
- Tobenna Nwizu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tobenna Nwizu's NPI active?
- Yes — Tobenna Nwizu's NPI (1881879716) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.