Jianjun Gao, M.D.
NPI 1053356873ActiveIndividual· Internal Medicine, Medical Oncology· Houston, TX
Internal Medicine, Medical Oncology (M.D.) in Houston, Texas, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $90,750 for 41 claims, against $25,221 paid for services in 2024. Exelixis Inc. was the largest of 2 companies reporting payments in 2025, $218.96 in all, mostly food and beverage.
Overview
| NPI | 1053356873 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 17, 2006 |
| Last updated in NPPES | Nov 13, 2025 |
| Certified by provider | Nov 13, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | N9055 | 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 - Medical Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 63 |
|---|---|
| Services billed | 237 across 6 procedure codes |
| Paid by Medicare | $25,221 |
Part D prescriptions in 2024
| Prescriptions (claims) | 41 · 41 30-day fills |
|---|---|
| Patients | 12 |
| Total drug cost | $90,750 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Industry payments (Open Payments)
- 2025$218.96 · 19 payments from 2 companies
- 2024$723.77 · 13 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exelixis Inc. | $200.65 | 18 |
| Eisai Inc. | $18.31 | 1 |
What the 2025 payments were for
- Food and Beverage$218.96 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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