Warren Benjamin Fingrut, MD, ABIM
NPI 1922615665ActiveIndividual· Internal Medicine, Hematology· Houston, TX
Internal Medicine, Hematology (MD, ABIM) in Houston, Texas, trained at Un of British Columbia, Faculty of Medicine (class of 2015). 73 Medicare patients in 2024, $55,307 paid; nearly all of their 154 Part D prescriptions were generic (96%). National Marrow Donor Program was the largest of 13 companies reporting payments in 2025, $2,622 in all, mostly food and beverage.
Overview
| NPI | 1922615665 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, ABIM |
| Sole proprietor | No |
| NPI issued | Sep 27, 2020 |
| Last updated in NPPES | Oct 19, 2023 |
| Certified by provider | Oct 19, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology Primary | 207RH0000X | U5399 | TX |
| Internal Medicine, Hematology | 207RH0000X | 304347-01 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 73 |
|---|---|
| Services billed | 739 across 14 procedure codes |
| Paid by Medicare | $55,307 |
Part D prescriptions in 2024
| Prescriptions (claims) | 154 · 160 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $42,825 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Un of British Columbia, Faculty of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Hematology |
| Telehealth | Offers telehealth |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Industry payments (Open Payments)
- 2025$2,622 · 24 payments from 13 companies
- 2024$3,730 · 18 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| National Marrow Donor Program | $1,545 | 2 |
| Astellas Pharma US Inc | $263.80 | 5 |
| Incyte Corporation | $165.94 | 3 |
| Abbvie Inc. | $124.99 | 1 |
| Pfizer Inc. | $118.75 | 1 |
What the 2025 payments were for
- Food and Beverage$1,077 · 22 payments
- Entertainment$795.00 · 1 payment
- Travel and Lodging$750.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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