Physician profile

Ahmad Hamad

Allergy & Immunology · Vienna, VA

NPI 1235414681

$9,275.30

in general payments reported to CMS, 2019-2025

31 companies · $2,262 in 2025

The $2,262 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$5,029.33
Education$165.34

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
Genzyme Corporation $1,811.54 2019-2025
Astrazeneca Pharmaceuticals LP $1,451.60 2019-2025 Tezspire, Fasenra, Airsupra
Regeneron Healthcare Solutions, INC. $1,016.02 2019-2025 Dupixent
Glaxosmithkline, LLC. $924.86 2020-2025 Trelegy Ellipta, Nucala, Arexvy
Pfizer INC. $447.42 2019-2025
Amgen INC. $384.80 2021-2025 Tezspire
Optinose US, INC. $272.02 2021-2024
Abbvie INC. $270.12 2022-2025
Genentech USA, INC. $244.97 2020-2025 Xolair
Incyte Corporation $241.84 2021-2025 Opzelura, Jakafi
Novartis Pharmaceuticals Corporation $225.19 2019-2025
Takeda Pharmaceuticals U.S.A., INC. $216.19 2022-2025 Cuvitru, Takhzyro
Aimmune Therapeutics, INC. $210.34 2022
Kaleo, INC. $190.01 2019-2024 Auvi-Q
Grifols USA, LLC $188.66 2021-2023 Xembify, Prolastin-C Liquid
Show all 31 companies
CompanyGeneral paymentsYearsTop products
Ars Pharmaceuticals Operations, INC. $174.65 2025 Neffy
Csl Behring $139.21 2022-2025 Hizentra, Andembry
Blueprint Medicines Corporation $132.42 2023-2024 Ayvakit
Biocryst US Sales Co., LLC $106.59 2021-2023 Orladeyo
Greer Laboratories, INC. $105.30 2023-2025 Oralair, Palforzia
Lilly USA, LLC $100.24 2024-2025 Ebglyss, Taltz
Sanofi-Aventis U.S. LLC $74.75 2022
Teva Pharmaceuticals USA, INC. $56.04 2021-2022
Hikma Pharmaceuticals USA $54.41 2023-2025 Ryaltris
Galderma Laboratories, L.P. $49.60 2025 Nemluvio
Pharming Healthcare, INC. $47.95 2024-2025 Ruconest
Phadia US INC. $47.20 2022-2023 Immunocap
Circassia INC. $34.82 2019
Alk-Abello, INC $21.00 2019
Merck Sharp & Dohme LLC $18.24 2022
Leo Pharma INC. $17.30 2022

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

Ahmad Hamad

$9,275.30

in general payments reported 2019-2025

Years
2019-2025
Top company
Genzyme Corporation
Context
The $2,262 reported for 2025 was more than what a typical Allergy & Immunology provider received nationally (typical 2025 total: $1,138).

https://glasscript.com/doctor/853749/ahmad-hamad

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.