Stephen Sherwin
Medical Oncology · San Francisco, CA
CMS Profile ID: 20132 · NPI: 1437461431
Total Disclosed General Payments
$875,572.47
General-payment records
77
CMS Program Year
2025
Most of this (about 96%) was consulting fees.
Higher than 99.8% of 3,316 PY2025 general-payment recipient profiles in Medical Oncology.
Percentage rounded down to one decimal; tied totals are not counted as lower. Counts all CMS recipient profiles with a general-payment transaction and this primary specialty, including this provider. CMS specialty: Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology.
Payments by Type
| Payment Type | Amount |
|---|---|
| Consulting Fee | $839,108.48 |
| Travel and Lodging | $28,616.34 |
| Acquisitions | $5,523.83 |
| Food and Beverage | $2,323.82 |
Top Paying Companies
| Manufacturer / GPO | Amount |
|---|---|
| Neurocrine BioSciences, Inc. | $410,223.61 |
| Biogen, Inc. | $325,412.78 |
| Neurocrine Biosciences, Inc. | $96,912.25 |
| Exelixis Inc. | $37,500.00 |
| ABBVIE INC. | $5,523.83 |
Top contributing companies shown; smaller payers may be omitted.
These totals are computed from the official CMS Open Payments program-year 2025 general-payment
file. To see the full, authoritative record for this provider — including research payments and
line-item detail — look them up by exact NPI 1437461431 on the
official CMS Open Payments portal.
Verify this record with CMS
- Confirm the provider's exact NPI: 1437461431.
- Select program year 2025 and general payments in the CMS portal.
- Check individual payment records and their nature-of-payment categories.