RxDoctor Payments Data

Gordon Iwasaki, PA

Medical · Murrieta, CANPI 1619149929

Payments from drug & device makers

$2,138in general payments, 2019–2025

Across 97 payments — averaging $22.04 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.

  • Forte Bio-pharma LLC$1K
  • Boston Scientific$576
  • Curonix LLC$189
  • Collegium Pharmaceutical, Inc.$138
  • Salix Pharmaceuticals, A Division Of Bausch Health US, LLC$92
  • Nalu Medical, Inc.$51
  • plus $85 from 5 others

What the payments were for

  • Food & beverage$2,138100%

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

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

$2,138 in reported general payments places this provider in the 75th percentile of 2,087 medical providers in California.

See all medical providers in California

Medicare billing

Part B allowed, 2024
$364,130
Medicare patients
241
Services billed
2,819

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
OxycontinOxycodone Hcl75$51,780
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen633$17,759
Xtampza ErOxycodone Myristate20$11,446
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen323$11,046
Lidocaine62$8,445
Fentanyl50$7,101
Oxycodone Hcl262$6,477
Morphine Sulfate ErMorphine Sulfate190$5,976
Gabapentin303$5,656
Celecoxib60$2,489
Hydromorphone Hcl116$2,260
Diclofenac Sodium51$1,908
Tizanidine Hcl158$1,585
Pregabalin97$1,582
Duloxetine Hcl54$1,332

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
Collegium Pharmaceutical, Inc.Xtampza Er$138$11,44620 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 75th percentile of 2,087 medical providers in California.

Other medical in Murrieta

See the full list for California

Where these figures come from

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