William Grainger
Neurology · Gilbert, AZNPI 1003963679
Payments from drug & device makers
$338,371in general payments, 2019–2025
Across 829 payments — averaging $408.17 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Biogen$275K
- Teva Pharmaceuticals USA, Inc.$21K
- Genentech USA, Inc.$18K
- Amgen$16K
- Bristol Myers Squibb$2K
- AbbVie$1K
- plus $6K from 47 others
General payments by program year
19
20
21
22
23
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.
How this compares
$338,371 in reported general payments places this provider in the 85th percentile of 388 neurology providers in Arizona.
Other neurology in Gilbert
- Jonathan HodgsonGilbert$1.8M
- Paarth ShahGilbert$299K
- David WeidmanPhoenix$7.4M
- Hemant PandeyChandler$6.2M
- Stephen FlitmanPhoenix$4.4M
- Barry HendinPhoenix$4.4M
- Jeremy ShefnerPhoenix$3M
- Danielle CabralPhoenix$2.8M
- Suraj MuleyPhoenix$2.8M
- Todd SchwedtPhoenix$2.8M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.