RxDoctor Payments Data

Elizabeth Wrone, MD

Nephrology · Walnut Creek, CANPI 1326049115

Payments from drug & device makers

$1,376in general payments, 2019–2025

Across 55 payments — averaging $25.02 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.

  • Amgen$410
  • Nxstage Medical, Inc.$289
  • Fresenius USA Marketing, Inc.$231
  • AstraZeneca$93
  • Mallinckrodt Hospital Products Inc.$84
  • Aurinia Pharma U.S., Inc.$76
  • plus $194 from 5 others

What the payments were for

  • Food & beverage$1,376100%

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
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

$1,376 in reported general payments places this provider in the 50th percentile of 1,341 nephrology providers in California.

See all nephrology providers in California

Medicare billing

Part B allowed, 2024
$360,889
Medicare patients
552
Services billed
2,626

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
FarxigaDapagliflozin Propanediol93$114,857
KerendiaFinerenone29$46,421
VeltassaPatiromer Calcium Sorbitex22$39,136
JardianceEmpagliflozin17$24,577
Sevelamer Carbonate40$13,013
LokelmaSodium Zirconium Cyclosilicate18$9,037
DapagliflozinDapagliflozin Propanediol17$8,879
EntrestoSacubitril/Valsartan12$8,057
Calcitriol42$1,393
Calcium Acetate12$1,220
Losartan Potassium96$953
Amlodipine Besylate96$808
Nifedipine ErNifedipine20$591
Potassium Chloride28$537
Chlorthalidone53$533

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
AstraZenecaFarxiga, Lokelma$93$123,894111 claims
BayerKerendia$30$46,42129 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 50th percentile of 1,341 nephrology providers in California.

Other nephrology in Walnut Creek

See the full list for California

Where these figures come from

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