Physician profile

Katherine D Duncan

Obesity Medicine (Internal Medicine) · Phoenix, AZ

NPI 1366762650

$213,585.39

in general payments reported to CMS, 2019-2025

18 companies · $76K in 2025

The $76K reported for 2025 was more than what 94% of Obesity Medicine (Internal Medicine) providers received nationally (typical 2025 total: $202).

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$151,361.19
Travel and Lodging$14,055.92
Food and Beverage$3,089.25
Education$32.27

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
Lilly USA, LLC $129,403.49 2022-2025 Zepbound, Mounjaro
Novo Nordisk INC $83,643.53 2021-2025 Wegovy, Rybelsus, Ozempic
Abbvie INC. $92.84 2025
Amgen INC. $91.84 2024-2025 Evenity, Prolia, Prolia
Botanix Sb INC $57.95 2025 Sofdra
Leo Pharma INC. $51.42 2023 Adbry
Globus Medical, INC. $32.57 2024 Simplify Cervical Artificial Disc
Corcept Therapeutics $22.30 2025 Korlym
Eisai INC. $22.09 2024
Medtronic, INC. $21.87 2024 Micra
Sun Pharmaceutical Industries INC. $20.93 2025
Hologic Sales and Service, LLC $20.35 2024 Aptima
Pfizer INC. $20.24 2024
Janssen Biotech, INC. $19.99 2022
Biofrontera INC. $18.55 2025 Ameluz
Show all 18 companies
CompanyGeneral paymentsYearsTop products
Abbott Laboratories $15.74 2024 Proclaim
Inspire Medical Systems, INC. $15.71 2025 Inspire
Boston Scientific Corporation $13.98 2020

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

Katherine D Duncan

$213,585.39

in general payments reported 2019-2025

Years
2020-2025
Top company
Lilly USA, LLC
Context
The $76K reported for 2025 was more than what 94% of Obesity Medicine (Internal Medicine) providers received nationally (typical 2025 total: $202).

https://glasscript.com/doctor/288432/katherine-d-duncan

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.