Physician profile

Nathan E Schrock

Hematology & Oncology · Knoxville, TN

NPI 1679573372

$27,587.85

in general payments reported to CMS, 2019-2025

65 companies · $5,353 in 2025

The $5,353 reported for 2025 was more than what 83% of Hematology & Oncology providers received nationally (typical 2025 total: $686).

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$14,126.04
Education$403.96

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
E.R. Squibb & Sons, L.L.C. $3,342.83 2019-2025 Opdivo, Opdualag, Reblozyl
Astrazeneca Pharmaceuticals Lp $2,166.11 2019-2025 Tagrisso, Calquence, Enhertu
Celgene Corporation $1,651.02 2019-2025 Reblozyl, Pomalyst, Pomalyst
Novartis Pharmaceuticals Corporation $1,629.80 2019-2025 Kisqali
Seagen INC. $1,544.35 2019-2025 Tukysa, Adcetris
Genentech USA, INC. $1,485.79 2019-2025 Phesgo, Perjeta, Tecentriq
Janssen Biotech, INC. $1,269.72 2019-2025 Tecvayli, Darzalex, Rybrevant
Pfizer INC. $1,047.63 2019-2025
Merck Sharp & Dohme LLC $1,019.92 2019-2025 Keytruda, Welireg, Lynparza
Incyte Corporation $1,008.65 2019-2025 Jakafi, Niktimvo, Monjuvi
Glaxosmithkline, LLC. $718.58 2020-2025 Ojjaara, Jemperli, Shingrix
Daiichi Sankyo INC. $611.17 2019-2025 Enhertu, Injectafer, Datroway
Bayer Healthcare Pharmaceuticals INC. $599.07 2019-2025
Eisai INC. $577.94 2019-2025
Amgen INC. $564.17 2019-2023 Kyprolis, Lumakras, Xgeva
Show all 65 companies
CompanyGeneral paymentsYearsTop products
Astellas Pharma US INC $535.81 2019-2025 Padcev, Vyloy, Xospata
Genzyme Corporation $517.69 2019-2025
Gilead Sciences, INC. $501.54 2019-2025 Trodelvy
Takeda Pharmaceuticals U.S.A., INC. $474.73 2019-2025 Ninlaro, Fruzaqla, Alunbrig
Abbvie INC. $473.70 2020-2025 Venclexta
Regeneron Healthcare Solutions, INC. $425.12 2019-2025 Libtayo
Lilly USA, LLC $396.10 2019-2025 Verzenio, Jaypirca, Retevmo
Aveo Pharmaceuticals, INC. $393.06 2021-2025 Fotivda
Exelixis INC. $384.23 2019-2025 Cabometyx
Beigene USA, INC. $368.50 2020-2025 Brukinsa
Emd Serono, INC. $298.34 2020-2025 Bavencio
Array Biopharma INC $278.29 2020-2025 Braftovi, Mektovi, Lorbrena
Puma Biotechnology, INC. $242.03 2019-2025
Alexion Pharmaceuticals, INC. $239.68 2021-2025 Ultomiris
Ipsen Biopharmaceuticals, INC $237.85 2019-2024 Onivyde
Kite Pharma, INC. $206.16 2020-2023
Pharmacosmos Therapeutics INC. $195.26 2020-2025 Monoferric
Boehringer Ingelheim Pharmaceuticals, INC. $157.12 2019-2025 Gilotrif
Taiho Oncology, INC. $150.79 2019-2024
Jazz Pharmaceuticals INC. $144.36 2021-2025
Caris Mpi, INC. $135.25 2025 Mi Cancer Seek
Kyowa Kirin, INC. $127.47 2022-2025 Poteligeo
Pharmacyclics LLC, An Abbvie Company $127.18 2019-2021
Sanofi-Aventis U.S. LLC $99.95 2019
Tempus Ai, INC $97.59 2025 Xt Cdx
Acceleron Pharma, INC. $97.44 2020-2021
Sun Pharmaceutical Industries INC. $95.28 2022-2025
Mirati Therapeutics, INC. $95.00 2023-2024 Krazati
Amag Pharmaceuticals, INC. $73.23 2019-2022
Morphosys, US INC. $66.11 2022-2023 Monjuvi
Epizyme, INC. $65.17 2021-2022
Iovance Biotherapeutics, INC. $61.21 2025 Amtagvi
Deciphera Pharmaceuticals INC. $57.97 2024-2025 Qinlock, Romvimza
Sobi, INC $57.47 2024-2025
Karyopharm Therapeutics INC. $57.29 2023-2025 Xpovio
Genentech, INC. $47.95 2020
Stemline Therapeutics INC. $44.75 2023-2025 Orserdu
Blueprint Medicines Corporation $42.09 2023-2024 Ayvakit
Apellis Pharmaceuticals, INC. $39.12 2023-2024 Empaveli
Agios Pharmaceuticals, INC. $35.79 2024-2025 Pyrukynd
Verastem, INC. $31.52 2019
Dova Pharmaceuticals $24.26 2020-2021
Tg Therapeutics, INC. $23.57 2021
Tesaro, INC. $22.59 2019
Alnylam Pharmaceuticals INC. $22.17 2024 Amvuttra
Pharmaessentia USA Corporation $20.03 2023 Besremi
Foundation Medicine, INC. $17.86 2020
Nuvation Bio INC. $16.41 2025 Ibtrozi
Sirtex Medical INC $15.00 2023 Sir-Spheres Microspheres
Aadi Bioscience, INC. $14.02 2023 Fyarro

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

Nathan E Schrock

$27,587.85

in general payments reported 2019-2025

Years
2019-2025
Top company
E.R. Squibb & Sons, L.L.C.
Context
The $5,353 reported for 2025 was more than what 83% of Hematology & Oncology providers received nationally (typical 2025 total: $686).

https://glasscript.com/doctor/212107/nathan-e-schrock

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.