Physician profile

Dennis Riff

Anaheim, CA

NPI 1922004662

$32,682.02

in general payments reported to CMS, 2019-2025

33 companies · $2,205 in 2025

The $2,205 reported for 2025 was more than what 94% of providers received nationally.

Payments by year

General payments by program year, as reported to CMS.

What the payments were for

Nature of payment as categorized by the reporting companies: meals, consulting, travel, and so on.

View as a table
Payment typeAmount (2023-2025)
Compensation For Services Other Than Consulting, Including Serving As Faculty Or As A Speaker At A Venue Other Than A Continuing Education Program$15,050.00
Food and Beverage$6,279.81
Debt Forgiveness$2,706.68
Travel and Lodging$1,547.54
Education$84.00

Payment-type detail covers 2023-2025; earlier years are included in totals but not broken out here.

Who reported paying

General payments only, as reported to CMS. Product names cover 2023-2025.

CompanyGeneral paymentsYearsTop products
Phathom Pharmaceuticals, INC. $17,851.45 2024-2025 Voquezna
Olympus America INC. $2,706.68 2024 Evis X1 Video System Center
Abbvie INC. $2,612.29 2019-2025 Rinvoq, Skyrizi, Linzess
Pfizer INC. $2,595.76 2019-2025
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $2,103.01 2019-2025 Xifaxan, Plenvu
Ardelyx, INC. $976.31 2022-2025 Ibsrela
Gilead Sciences, INC. $826.31 2019-2025
Takeda Pharmaceuticals U.S.A., INC. $714.35 2019-2025 Entyvio, Eohilia
Janssen Biotech, INC. $675.38 2019-2025 Stelara, Tremfya, Simponi Aria
Genzyme Corporation $293.78 2022-2025
Madrigal Pharmaceuticals $259.30 2024-2025 Rezdiffra, Resmetirom
Lilly USA, LLC $186.41 2024-2025 Omvoh
Intercept Pharmaceuticals, INC. $133.72 2019-2024
Redhill Biopharma INC. $108.42 2021-2024 Talicia
Qol Medical, LLC $85.69 2022-2023 Sucraid
Show all 32 companies
CompanyGeneral paymentsYearsTop products
Celgene Corporation $82.82 2021-2024 Zeposia
Organon LLC $64.82 2023-2025 Hadlima
Shionogi INC $54.96 2019
Vivus LLC $43.26 2024-2025 Qsymia
Ironwood Pharmaceuticals, INC $41.04 2021-2023 Linzess
Amgen INC. $37.39 2021
Braintree Laboratories, INC. $32.09 2021-2024 Suflave
Aimmune Therapeutics, INC. $27.45 2025 Vowst, Zenpep
Biocon Biologics INC $27.14 2024 Hulio
Intra-Sana Laboratories $22.20 2025 Reltone 400 Mg, Reltone 200 Mg, Glycate
Ipsen Biopharmaceuticals, INC $21.06 2025 Iqirvo
Nestle Healthcare Nutrition INC. $18.53 2023
Novo Nordisk INC $18.29 2025 Wegovy
Ferring Pharmaceuticals INC. $18.21 2024 Rebyota
Exact Sciences Corporation $15.86 2024 Cologuard Collection Kit
Celltrion USA INC. $14.46 2025 Vegzelma
Shield Therapeutics INC $13.58 2025

1 company reported research payments only; those appear in the research section below.

Drugs and devices associated with these payments

CMS records which products a payment was associated with, not how the money was allocated. Association is not allocation: one payment can be associated with several products, and a product listing does not mean the payment was made because of that product. Product detail covers 2023-2025.

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Payment summary

Dennis Riff

$32,682.02

in general payments reported 2019-2025

Years
2019-2025
Top company
Phathom Pharmaceuticals, INC.
Context
The $2,205 reported for 2025 was more than what 94% of providers received nationally.

https://glasscript.com/doctor/87274/dennis-riff

Source: CMS Open Payments, program years 2019-2025. Payments are legal and often routine.

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Source: CMS Open Payments, program years 2019-2025, as reported to CMS by drug and device makers (published June 30, 2026). Drug and device detail covers 2023-2025.