Jonathan Lu
NPI 1891139630ActiveIndividual· Internal Medicine, Hematology & Oncology· Tomball, TX
Internal Medicine, Hematology & Oncology with David P Ellent PLLC, practicing in Tomball, Texas. Their prescriptions cost Medicare Part D more than their services did: $5,386,611 for 1,219 claims, against $754,834 paid for services in 2024. Janssen Biotech, Inc. was the largest of 50 companies reporting payments in 2025, $4,872 in all, mostly food and beverage. Lists Aspire Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1891139630 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 23, 2013 |
| Last updated in NPPES | Jun 30, 2025 |
| Certified by provider | Jun 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | S1170 | 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 | 222 |
|---|---|
| Services billed | 89,276 across 62 procedure codes |
| Paid by Medicare | $754,834 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,219 · 1,530 30-day fills |
|---|---|
| Patients | 169 |
| Total drug cost | $5,386,611 |
| Generic share | 57% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Hematology/Oncology |
Medical group
- David P Ellent PLLCSpring, TX · 58 clinicians
Hospital affiliations
- Aspire HospitalConroe, TX
- HCA Houston Healthcare TomballTomball, TX
- Houston Methodist the Woodlands HospitalThe Woodlands, TX
- Huntsville Memorial HospitalHuntsville, TX
- Memorial Hermann Hospital SystemHouston, TX
Industry payments (Open Payments)
- 2025$4,872 · 233 payments from 50 companies
- 2024$4,683 · 216 payments from 53 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $521.68 | 24 |
| Pfizer Inc. | $443.23 | 21 |
| Astrazeneca Pharmaceuticals LP | $298.25 | 14 |
| Eisai Inc. | $214.92 | 11 |
| Tempus Ai, Inc | $211.84 | 11 |
What the 2025 payments were for
- Food and Beverage$4,772 · 232 payments
- Education$99.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other hematologist-oncologists in Tomball
- 1306898499
- 1487217006
- 1528623519