Eric Kleinbaum, M.D.
NPI 1932140159ActiveIndividual· Internal Medicine, Hematology & Oncology· Houston, TX
Internal Medicine, Hematology & Oncology (M.D.) in Houston, Texas, trained at Jefferson Medical College of Thomas Jefferson University (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $4,862,200 for 1,942 claims, against $2,594,018 paid for services in 2024. Fennec Pharmaceuticals, Inc. was the largest of 32 companies reporting payments in 2025, $1,865 in all, mostly food and beverage.
Overview
| NPI | 1932140159 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 9, 2006 |
| Last updated in NPPES | Aug 5, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | L5795 | TX |
| Specialist | 174400000X | L5795 | TX |
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 - Hematology/Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 569 |
|---|---|
| Services billed | 158,077 across 140 procedure codes |
| Paid by Medicare | $2,594,018 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,942 · 2,734 30-day fills |
|---|---|
| Patients | 326 |
| Total drug cost | $4,862,200 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
Medical group
- American Oncology Partners PAFort Wayne, IN · 391 clinicians
Hospital affiliations
- Aspire HospitalConroe, TX
- HCA Houston Healthcare ConroeConroe, TX
- Houston Methodist the Woodlands HospitalThe Woodlands, TX
- Memorial Hermann Hospital SystemHouston, TX
- St Luke's the Woodlands HospitalThe Woodlands, TX
Industry payments (Open Payments)
- 2025$1,865 · 65 payments from 32 companies
- 2024$348.67 · 16 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fennec Pharmaceuticals, Inc. | $198.29 | 2 |
| Tempus Ai, Inc | $190.98 | 5 |
| Merck Sharp & Dohme LLC | $164.03 | 6 |
| Astellas Pharma US Inc | $150.95 | 3 |
| Novartis Pharmaceuticals Corporation | $148.49 | 5 |
What the 2025 payments were for
- Food and Beverage$1,765 · 64 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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