Ranjana Advani, MD
NPI 1639225121ActiveIndividual· Internal Medicine, Medical Oncology· Stanford, CA
Internal Medicine, Medical Oncology (MD) with Stanford Health Care, practicing in Stanford, California. Their prescriptions cost Medicare Part D more than their services did: $199,801 for 33 claims, against $31,652 paid for services in 2024. Pfizer Inc. was the largest of 3 companies reporting payments in 2025, $10,537 in all, mostly consulting fees. Lists Stanford Health Care as a hospital affiliation.
Overview
| NPI | 1639225121 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 26, 2007 |
| Last updated in NPPES | Apr 12, 2024 |
| Certified by provider | Apr 12, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | A44422 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Medical Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 158 |
|---|---|
| Services billed | 308 across 7 procedure codes |
| Paid by Medicare | $31,652 |
Part D prescriptions in 2024
| Prescriptions (claims) | 33 · 39 30-day fills |
|---|---|
| Total drug cost | $199,801 |
| Generic share | 45% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology/Oncology, Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$10,537 · 9 payments from 3 companies
- 2024$20,110 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $5,424 | 4 |
| Merck Sharp & Dohme LLC | $3,355 | 2 |
| F. Hoffmann-La Roche Ag | $1,759 | 3 |
What the 2025 payments were for
- Consulting Fee$9,385 · 6 payments
- Travel and Lodging$1,028 · 1 payment
- Food and Beverage$124.18 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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