Vivek Subbiah, MD
NPI 1174726384ActiveIndividual· Internal Medicine, Medical Oncology· Stanford, CA
Internal Medicine, Medical Oncology (MD) with Stanford Health Care and 1 other group, practicing in Stanford, California. Mostly services rather than prescriptions: Medicare paid $321,977 for 67 patients in 2024, with only 43 Part D claims. E.R. Squibb & Sons, L.L.C. was the largest of 22 companies reporting payments in 2025, $48,973 in all, mostly consulting fees. Lists Stanford Health Care as a hospital affiliation.
Overview
| NPI | 1174726384 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 6, 2007 |
| Last updated in NPPES | Oct 19, 2026 |
| Certified by provider | Oct 19, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 347514 | NY |
| Internal Medicine | 207R00000X | C206969 | CA |
| Pediatrics, Pediatric Hematology-Oncology | 2080P0207X | C206969 | CA |
| Internal Medicine | 207R00000X | N6693 | TX |
| Internal Medicine, Hematology & Oncology | 207RH0003X | N6693 | TX |
| Pediatrics, Pediatric Hematology-Oncology | 2080P0207X | N6693 | TX |
| Pediatrics | 208000000X | N6693 | TX |
| Internal Medicine, Medical Oncology | 207RX0202X | C206969 | CA |
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 (CA); Practitioner - Hematology/Oncology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 67 |
|---|---|
| Services billed | 9,527 across 70 procedure codes |
| Paid by Medicare | $321,977 |
Part D prescriptions in 2024
| Prescriptions (claims) | 43 · 46 30-day fills |
|---|---|
| Patients | 16 |
| Total drug cost | $2,137 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Stanford Health CareStanford, CA · 3,122 clinicians
- Verdi Oncology Tennessee PCNashville, TN · 31 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$48,973 · 74 payments from 22 companies
- 2024$19,081 · 35 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $20,633 | 19 |
| Pfizer Inc. | $6,148 | 6 |
| Astrazeneca Pharmaceuticals LP | $5,947 | 5 |
| Rigel Pharmaceuticals, Inc. | $3,517 | 3 |
| Abbvie Inc. | $2,968 | 2 |
What the 2025 payments were for
- Consulting Fee$36,910 · 13 payments
- Travel and Lodging$6,583 · 6 payments
- Honoraria$3,425 · 1 payment
- Food and Beverage$2,055 · 54 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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