William Gillanders, MD
Surgical Oncology · Saint Louis, MONPI 1720006364
Payments from drug & device makers
What this record shows
This record is dominated by travel and lodging: $695 of the $909 with a category attached, or 76.5%. AstraZeneca accounts for 98.0% of it on its own, with 1 other manufacturer making up the rest. That places this record below the midpoint for surgical oncology clinicians in MO, where the typical reported total is $3,186.
Across 8 payments — averaging $113.68 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- AstraZeneca$892
- Medtronic$18
Across 5 payments — averaging $117,796 each. Payments tied to a research study. These frequently flow through the physician to a hospital or research institution rather than to the physician personally.
- AstraZeneca$589K
What the payments were for
- Travel & lodging$69576%
- Food & beverage$21424%
General payments by program year
Who reported the general payments
Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.
| Company | Payments | Total |
|---|---|---|
| AstraZeneca | 7 | $892 |
| Medtronic | 1 | $18 |
What the payments were tied to
Products named in the reported payments. Only payments of $100 or more are attributed here — the typical reported payment nationally is a meal worth about $16, and listing those product-by-product would be noise.
- IMFINZI$773
How this compares
$909 in reported general payments places this provider in the 35th percentile of 24 surgical oncology providers in Missouri.
Medicare billing
What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Calcitriol | 15 | $266 |
| Levothyroxine Sodium | 22 | $164 |
Paid to pharmacies, not to this prescriber.
Other surgical oncology in Saint Louis
- Peter DipascoSaint Louis$247K
- Trang NguyenSaint Louis$11K
- Rebecca AftSaint Louis$9K
- Julie MargenthalerSaint Louis$8K
- Taylor BrownSaint Louis$5K
- Timothy VreelandSaint Louis$4K
- Jennifer KellerSaint Louis$1K
- Ashley WilbersSaint Louis$1K
- Ashton BrooksSaint Louis$1K
- Ryan FieldsSaint Louis$385
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Billing: Medicare Physician & Other Practitioners, data year 2024. Original Medicare Part B only.
- Identity: NPPES NPI Registry, July 2026.