Physician profile

Timothy D Trojan

Allergy & Immunology · Enid, OK

NPI 1518125053

$12,731.67

in general payments reported to CMS, 2019-2025

32 companies · $2,399 in 2025

The $2,399 reported for 2025 was more than what a typical Allergy & Immunology provider received nationally (typical 2025 total: $1,138).

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)
Food and Beverage$5,314.22
Education$264.20

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
Genentech USA, INC. $1,767.29 2019-2025 Xolair
Astrazeneca Pharmaceuticals LP $1,702.16 2019-2025 Fasenra, Tezspire, Airsupra
Csl Behring $1,273.85 2019-2025 Hizentra, Haegarda, Andembry
Regeneron Healthcare Solutions, INC. $1,111.73 2019-2025 Dupixent
Glaxosmithkline, LLC. $1,006.92 2019-2025 Nucala, Trelegy Ellipta, Arexvy
Novartis Pharmaceuticals Corporation $786.33 2019-2025
Genzyme Corporation $746.50 2019-2025
Optinose US, INC. $590.20 2020-2025
Kaleo, INC. $551.31 2019-2023 Auvi-Q
Amgen INC. $506.23 2019-2025 Tezspire
Takeda Pharmaceuticals U.S.A., INC. $487.47 2020-2025 Cuvitru, Glassia, Eohilia
Sanofi-Aventis U.S. LLC $286.17 2021-2025
Pfizer INC. $279.75 2019-2025
Alk-Abello, INC $212.19 2019-2023 Grastek, Odactra, Ragwitek
Pharming Healthcare, INC. $149.69 2021-2023 Ruconest
Show all 32 companies
CompanyGeneral paymentsYearsTop products
Covis Pharma Gmbh $140.57 2021-2022
Lilly USA, LLC $129.86 2019-2025 Ebglyss, Taltz
Baxter Healthcare $117.40 2022
Welch Allyn $117.40 2021
Ars Pharmaceuticals Operations, INC. $107.90 2025 Neffy
Grifols USA, LLC $107.06 2019-2023 Xembify
Blueprint Medicines Corporation $106.02 2023-2025 Ayvakit
Biocryst US Sales Co., LLC $95.92 2021-2025 Orladeyo
Teva Pharmaceuticals USA, INC. $94.47 2020-2022
Octapharma USA, INC. $50.67 2020-2023 Panzyga
Merck Sharp & Dohme LLC $44.72 2021-2023
Shire North American Group INC $43.54 2019
Boehringer Ingelheim Pharmaceuticals, INC. $30.86 2019-2021
Novo Nordisk INC $30.09 2019
Greer Laboratories, INC. $27.12 2022
Uswm, LLC $16.76 2021
Kedrion Biopharma, INC. $13.52 2024 Rhogam Ultra-Filtered Plus, Kedrab, Albuked

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

Timothy D Trojan

$12,731.67

in general payments reported 2019-2025

Years
2019-2025
Top company
Genentech USA, INC.
Context
The $2,399 reported for 2025 was more than what a typical Allergy & Immunology provider received nationally (typical 2025 total: $1,138).

https://glasscript.com/doctor/204032/timothy-d-trojan

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.