Physician profile

Robert A Kloss

Hematology & Oncology · Danbury, CT

NPI 1649207770

$9,319.44

in general payments reported to CMS, 2019-2025

61 companies · $1,845 in 2025

The $1,845 reported for 2025 was more than what a typical Hematology & Oncology provider 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$6,267.92
Education$149.16

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
Janssen Biotech, INC. $815.15 2019-2025 Erleada, Rybrevant, Darzalex
Novartis Pharmaceuticals Corporation $704.47 2019-2025
Abbvie INC. $534.96 2023-2025
Celgene Corporation $523.64 2019-2025 Reblozyl, Pomalyst, Opdualag
Astrazeneca Pharmaceuticals LP $465.50 2019-2025 Tagrisso, Enhertu, Calquence
E.R. Squibb & Sons, L.L.C. $375.30 2019-2025 Opdivo, Opdualag
Pharmacyclics LLC, An Abbvie Company $369.85 2019-2023 Imbruvica, Epkinly
Pfizer INC. $343.30 2019-2025
Takeda Pharmaceuticals U.S.A., INC. $271.08 2019-2025 Ninlaro, Fruzaqla, Alunbrig
Genentech USA, INC. $267.53 2019-2025 Tecentriq, Venclexta, Alecensa
Incyte Corporation $252.04 2019-2025 Monjuvi, Pemazyre, Jakafi
Amgen INC. $238.09 2019-2023 Kyprolis, Lumakras
Jazz Pharmaceuticals INC. $217.75 2019-2025
Glaxosmithkline, LLC. $214.22 2019-2025 Ojjaara, Jemperli
Gilead Sciences, INC. $208.58 2019-2025 Trodelvy
Show all 60 companies
CompanyGeneral paymentsYearsTop products
Mirati Therapeutics, INC. $193.73 2023-2024 Krazati
Genzyme Corporation $193.50 2019-2025
Array Biopharma INC $192.47 2019-2025 Mektovi, Braftovi, Lorbrena
Exelixis INC. $188.41 2019-2025 Cabometyx
Astellas Pharma US INC $181.12 2023-2025 Xospata, Padcev, Vyloy
Merck Sharp & Dohme LLC $172.11 2019-2024 Keytruda, Welireg
Seagen INC. $162.00 2019-2023 Adcetris, Tukysa
Eisai INC. $155.46 2022-2025
Bayer Healthcare Pharmaceuticals INC. $145.66 2019-2025
Lilly USA, LLC $136.54 2019-2024 Verzenio, Jaypirca, Retevmo
Daiichi Sankyo INC. $131.94 2020-2025 Enhertu
Sanofi-Aventis U.S. LLC $112.57 2019-2020
Puma Biotechnology, INC. $97.17 2019-2024
Sobi, INC $96.87 2023-2025
Pharmaessentia USA Corporation $89.92 2022-2024 Besremi
Beigene USA, INC. $88.27 2023-2024 Brukinsa
Emd Serono, INC. $78.31 2019-2025
Regeneron Healthcare Solutions, INC. $76.04 2021-2025 Libtayo
Rigel Pharmaceuticals, INC. $71.37 2019-2025 Rezlidhia, Gavreto, Tavalisse
Adc Therapeutics America, INC. $66.02 2023-2025
Alexion Pharmaceuticals, INC. $65.09 2019
Coherus Oncology, INC. $54.90 2023-2024
Ipsen Biopharmaceuticals, INC $52.49 2019-2024 Onivyde
Amag Pharmaceuticals, INC. $50.90 2019
Taiho Oncology, INC. $48.15 2019
Stemline Therapeutics INC. $45.43 2023-2025 Orserdu
Novocure INC. $45.22 2019
Aveo Pharmaceuticals, INC. $43.89 2024
Progenics Pharmaceuticals, INC. $41.93 2023-2024 Pylarify
Servier Pharmaceuticals LLC $39.64 2024-2025
Tesaro, INC. $37.91 2019
Karyopharm Therapeutics INC. $37.48 2023 Xpovio
Beone Medicines USA, INC. $35.30 2025 Brukinsa
Clovis Oncology, INC. $34.74 2019
Myriad Genetic Laboratories, INC. $32.61 2023-2024 Precisetumor, Myrisk
Sirtex Medical INC $32.44 2019
Sumitomo Pharma America, INC. $28.56 2024 Orgovyx
Boehringer Ingelheim Pharmaceuticals, INC. $24.55 2023 Gilotrif
Deciphera Pharmaceuticals INC. $24.30 2024 Qinlock
Genmab U.S., INC. $24.24 2024 Tivdak
Medtronic, INC. $23.44 2021
Dova Pharmaceuticals $21.69 2019
Agios Pharmaceuticals, INC. $15.90 2025 Pyrukynd
Tempus Ai, INC $14.35 2025 Xt Cdx
Morphosys, US INC. $13.35 2022

1 company reported research payments only; those appear in the research section below.

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

Robert A Kloss

$9,319.44

in general payments reported 2019-2025

Years
2019-2025
Top company
Janssen Biotech, INC.
Context
The $1,845 reported for 2025 was more than what a typical Hematology & Oncology provider received nationally (typical 2025 total: $686).

https://glasscript.com/doctor/29581/robert-a-kloss

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.