RxDoctor Payments Data

Evan Williams, MD

Neurology · Roseville, CANPI 1225297492

Payments from drug & device makers

$957in general payments, 2019–2025

Across 50 payments — averaging $19.15 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.

  • AbbVie$420
  • AstraZeneca$107
  • Argenx US, Inc.$75
  • Novartis$62
  • Biohaven Pharmaceutical Holding Company Ltd.$45
  • Johnson & Johnson$35
  • plus $213 from 12 others

What the payments were for

  • Food & beverage$92797%
  • Education$303%

Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.

General payments by program year

19
20
21
22
23
24
25

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

$957 in reported general payments places this provider in the 45th percentile of 1,996 neurology providers in California.

See all neurology providers in California

Medicare billing

Part B allowed, 2024
$127,398
Medicare patients
452
Services billed
1,066

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

DrugClaimsCost to plans & patients
Gammagard LiquidImmun Glob G(Igg)/Gly/Iga Ov5030$342,009
Gamunex-CImmune Globul G/Gly/Iga Avg 4613$305,040
OctagamImmun Globg(Igg)/Malt/Iga Ov5016$237,854
PrivigenImmun Glob G(Igg)/Pro/Iga 0-5012$182,483
QuliptaAtogepant15$16,123
Mycophenolate Mofetil66$15,317
Nurtec OdtRimegepant Sulfate11$10,650
EliquisApixaban11$8,816
Pyridostigmine Bromide90$6,717
Azathioprine29$1,757
Pregabalin37$1,312
Gabapentin56$1,293
Duloxetine Hcl33$970
Levetiracetam31$882
Donepezil Hcl78$724

Paid to pharmacies, not to this prescriber.

Companies that both paid and supply prescribed drugs

These companies both reported payments to this provider and make drugs the provider prescribed under Medicare Part D in 2024. For most specialties this overlap is expected — a cardiologist who is paid by a cardiology drugmaker also treats heart disease. It is shown so the reader can see it, not because it implies anything on its own.

CompanyPaid to this providerPart D cost of their drugs
Grifols USA, LLCGamunex-C$16$305,04013 claims
CSL BehringPrivigen$30$182,48312 claims
AbbVieQulipta$420$16,12315 claims

Reading this fairly. The Part D column is what drug plans and patients paid pharmacies — this provider received none of it, and it reflects how many patients they treat and what those drugs cost. Against peers, this provider's reported payments sit in the 45th percentile of 1,996 neurology providers in California.

Other neurology in Roseville

See the full list for California

Where these figures come from

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