Physician profile

Gregory Knutzen

Acute Care (Nurse Practitioner) · Colton, CA

NPI 1871554170

$41,321.67

in general payments reported to CMS, 2019-2025

66 companies · $9,467 in 2025

The $9,467 reported for 2025 was more than what 99% of Acute Care (Nurse Practitioner) providers received nationally (typical 2025 total: $151).

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$22,283.86
Education$1,524.43
Consulting Fee$1,065.00
Compensation For Services Other Than Consulting, Including Serving As Faculty Or As A Speaker At A Venue Other Than A Continuing Education Program$100.00

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
Sobi, INC $4,789.40 2022-2025
E.R. Squibb & Sons, L.L.C. $2,567.06 2021-2025 Opdivo, Reblozyl, Abecma
Astrazeneca Pharmaceuticals LP $2,377.18 2021-2025 Lynparza, Enhertu, Imfinzi
Janssen Biotech, INC. $2,163.02 2021-2025 Erleada, Tecvayli, Darzalex
Novartis Pharmaceuticals Corporation $2,040.62 2021-2025
Merck Sharp & Dohme LLC $1,919.89 2021-2025 Keytruda, Lynparza, Welireg
Pfizer INC. $1,766.46 2021-2025
Glaxosmithkline, LLC. $1,680.24 2021-2025 Ojjaara, Zejula, Jemperli
Genzyme Corporation $1,394.73 2021-2025
Celgene Corporation $1,389.06 2021-2025 Pomalyst, Reblozyl, Opdualag
Astellas Pharma US INC $1,240.48 2021-2025 Xtandi, Vyloy, Xospata
Incyte Corporation $1,196.96 2021-2025 Jakafi, Jakafi, Monjuvi
Genentech USA, INC. $1,066.14 2021-2025 Venclexta, Polivy, Tecentriq
Amgen INC. $885.95 2021-2025 Lumakras, Imdelltra (Amg757), Kyprolis
Eisai INC. $853.59 2021-2025
Show all 66 companies
CompanyGeneral paymentsYearsTop products
Gilead Sciences, INC. $850.04 2021-2025 Trodelvy
Lilly USA, LLC $844.06 2021-2025 Jaypirca, Verzenio, Retevmo
Aveo Pharmaceuticals, INC. $802.25 2021-2025 Fotivda
Seagen INC. $769.24 2021-2025 Adcetris, Padcev
Regeneron Healthcare Solutions, INC. $679.61 2021-2025 Libtayo
Tg Therapeutics, INC. $587.18 2021-2022
Pharmacyclics LLC, An Abbvie Company $571.76 2021-2023 Imbruvica, Epkinly
Daiichi Sankyo INC. $563.69 2021-2025 Enhertu, Datroway, Vanflyta
Abbvie INC. $537.44 2024-2025
Bayer Healthcare Pharmaceuticals INC. $525.76 2021-2025
Array Biopharma INC $511.62 2021-2025 Braftovi, Mektovi, Lorbrena
Karyopharm Therapeutics INC. $479.96 2021-2025 Xpovio
Puma Biotechnology, INC. $397.13 2021-2025 Nerlynx
Boehringer Ingelheim Pharmaceuticals, INC. $368.24 2021-2024 Gilotrif
Takeda Pharmaceuticals U.S.A., INC. $364.43 2022-2024 Fruzaqla, Iclusig, Ninlaro
Sumitomo Pharma America, INC. $350.75 2023-2025 Orgovyx
Dendreon Pharmaceuticals LLC $317.89 2024-2025 Provenge
Emd Serono, INC. $313.43 2021-2025
Exelixis INC. $276.84 2021-2025 Cabometyx
Myovant Sciences INC. $273.84 2021-2022
Alexion Pharmaceuticals, INC. $271.61 2021-2024 Ultomiris
Kite Pharma, INC. $258.73 2021-2023
Pharmaessentia USA Corporation $256.08 2022-2025 Besremi
Ipsen Biopharmaceuticals, INC $224.30 2021-2024 Tazverik, Onivyde, Somatuline Depot
Adc Therapeutics America, INC. $208.59 2024-2025
Sanofi-Aventis U.S. LLC $197.95 2021-2023
Caris Mpi, INC. $178.84 2025 Mi Cancer Seek
Jazz Pharmaceuticals INC. $171.64 2025
Taiho Oncology, INC. $166.99 2021-2025
Janssen Pharmaceuticals, INC $163.21 2021-2024 Xarelto
Servier Pharmaceuticals LLC $141.63 2022-2024
Dova Pharmaceuticals $131.80 2021
Global Blood Therapeutics, INC. $129.03 2021-2022
Cti Biopharma Corp. $107.45 2023 Vonjo
Mylan Institutional INC. $106.05 2022-2023 Fulphila, Ogivri
Mirati Therapeutics, INC. $103.41 2023-2024 Krazati
Secura Bio, INC. $95.22 2025 Copiktra
Rigel Pharmaceuticals, INC. $93.56 2022-2024 Tavalisse, Rezlidhia
Tempus Ai, INC $93.09 2024
Agios Pharmaceuticals, INC. $91.83 2025 Pyrukynd
Legend Biotech USA INC. $84.79 2024-2025 Carvykti
Iovance Biotherapeutics, INC. $57.48 2025 Amtagvi
Menarini Silicon Biosystems, INC. $49.91 2024
Springworks Therapeutics, INC. $47.82 2025 Ogsiveo
Emmaus Medical, INC. $46.32 2021-2022
Immunocore Limited $28.69 2024 Kimmtrak
Blueprint Medicines Corporation $27.13 2023 Ayvakit
Adaptive Biotechnologies Corporation $24.93 2024 Clonoseq
Terumo Bct, INC. $17.91 2022
Novo Nordisk INC $15.88 2021
Stemline Therapeutics INC. $13.86 2023 Elzonris

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

Gregory Knutzen

$41,321.67

in general payments reported 2019-2025

Years
2021-2025
Top company
Sobi, INC
Context
The $9,467 reported for 2025 was more than what 99% of Acute Care (Nurse Practitioner) providers received nationally (typical 2025 total: $151).

https://glasscript.com/doctor/11081067/gregory-knutzen

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.