Priyamvadha Chakravarthi, M.D.
NPI 1437148061ActiveIndividual· Internal Medicine, Medical Oncology· Stanford, CA
Internal Medicine, Medical Oncology (M.D.) with Sutter Bay Medical Foundation, practicing in Stanford, California. Their prescriptions cost Medicare Part D more than their services did: $1,138,785 for 417 claims, against $177,588 paid for services in 2024. Geron Corporation reported $33.42 in payments in 2025, mostly food and beverage. Lists Peninsula Medical Center as a hospital affiliation.
Overview
| NPI | 1437148061 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 17, 2005 |
| Last updated in NPPES | Oct 18, 2024 |
| Certified by provider | Oct 18, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | A91847 | CA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | A91847 | CA |
| Internal Medicine, Hematology | 207RH0000X | A91847 | 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 - Hematology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 216 |
|---|---|
| Services billed | 5,444 across 47 procedure codes |
| Paid by Medicare | $177,588 |
Part D prescriptions in 2024
| Prescriptions (claims) | 417 · 855 30-day fills |
|---|---|
| Patients | 117 |
| Total drug cost | $1,138,785 |
| Generic share | 72% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Hematology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliation
- Peninsula Medical CenterBurlingame, CA
Industry payments (Open Payments)
- 2025$33.42 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Geron Corporation | $33.42 | 1 |
What the 2025 payments were for
- Food and Beverage$33.42 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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