Robert Tri Bao Diep, M.D.
NPI 1497140537ActiveIndividual· Internal Medicine, Hematology· Palo Alto, CA
Internal Medicine, Hematology (M.D.) with Stanford Health Care, practicing in Palo Alto, California. Their prescriptions cost Medicare Part D more than their services did: $301,740 for 175 claims, against $62,760 paid for services in 2024. Novartis Pharmaceuticals Corporation reported $2,225 in payments in 2025, mostly consulting fees. Lists Stanford Health Care as a hospital affiliation.
Overview
| NPI | 1497140537 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 6, 2015 |
| Last updated in NPPES | Apr 28, 2024 |
| Certified by provider | Apr 28, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology Primary | 207RH0000X | A172103 | CA |
| Internal Medicine | 207R00000X | MD60848580 | WA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | MD60848580 | WA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 364 |
|---|---|
| Services billed | 542 across 14 procedure codes |
| Paid by Medicare | $62,760 |
Part D prescriptions in 2024
| Prescriptions (claims) | 175 · 210 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $301,740 |
| Generic share | 41% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Hematology |
| Secondary specialties | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$2,225 · 2 payments from 1 company
- 2024$130.86 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $2,225 | 2 |
What the 2025 payments were for
- Consulting Fee$2,100 · 1 payment
- Food and Beverage$124.98 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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