Zakari Tanimu, MD
NPI 1194785923ActiveIndividual· Internal Medicine· Arlington, TX
Internal Medicine (MD) with Questcare Hospitalists PLLC, practicing in Arlington, Texas. In 2024 Medicare paid $148,573 for 316 patients, and Part D covered 922 of their prescriptions, 89% of them generic. Pfizer Inc. reported $54.45 in payments in 2025, mostly food and beverage. Lists Medical City Arlington and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1194785923 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 24, 2006 |
| Last updated in NPPES | Jul 31, 2023 |
| Certified by provider | Jul 31, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | N4785 | TX |
| Internal Medicine | 207R00000X | 32370 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 316 |
|---|---|
| Services billed | 1,760 across 11 procedure codes |
| Paid by Medicare | $148,573 |
Part D prescriptions in 2024
| Prescriptions (claims) | 922 · 946 30-day fills |
|---|---|
| Patients | 278 |
| Total drug cost | $47,214 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Questcare Hospitalists PLLCNorth Richland Hills, TX · 264 clinicians
Hospital affiliations
- Medical City ArlingtonArlington, TX
- Medical City Fort WorthFort Worth, TX
- Texas Health Arlington Memorial HospitalArlington, TX
Other facilities
- Kindred Hospital-Tarrant CountyLong-term care hospital · Arlington, TX
Industry payments (Open Payments)
- 2025$54.45 · 3 payments from 1 company
- 2024$42.78 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $54.45 | 3 |
What the 2025 payments were for
- Food and Beverage$54.45 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 148 internal medicine physicians in Arlington · All internal medicine physicians in Texas