Product Program year 2025 Source: CMS Open Payments

Enhertu

Drug Oncology

NDC 65597-406-01

Open in the dashboard

General payments

$13,877,301

92,507 payments

Research payments

$70,366,638

16,347 payments

Through program year 2025, $13,877,301 in general payments and $70,366,638 in research payments were reported against Enhertu (Oncology).

No combined total These are different kinds of money, reported under different rules. A meal and a clinical trial grant do not add up to anything meaningful, so this site does not add them.

By program year

14 rows
Year Kind Amount Payments
2025 General $2,936,405 25,784
2025 Research $4,141,227 1,658
2024 General $2,821,779 28,851
2024 Research $5,010,256 471
2023 General $2,313,691 14,983
2023 Research $4,722,811 1,014
2022 General $2,277,362 11,604
2022 Research $7,410,363 1,485
2021 General $1,699,201 7,147
2021 Research $14,267,966 2,341
2020 General $1,621,450 3,733
2020 Research $19,498,477 5,219
2019 General $207,412 405
2019 Research $15,315,538 4,159

Breakdown

Who paid General payments · program years 2019–2025
  1. Daiichi Sankyo Inc. $13,638,057 92,433 payments
  2. Daiichi Sankyo Company LTD $218,486 72 payments
  3. Daiichi Sankyo Europe GmbH $20,758 2 payments
Top recipients General payments · program year 2025
  1. Janice Dutcher New York, NY $141,094 5% · 8 payments
  2. Jonathan Chung Diagnostic Radiology · San Diego, CA $80,176 3% · 22 payments
  3. Charles Powell Pulmonary Disease · New York, NY $63,123 2% · 8 payments
  4. Ronan Kelly Medical Oncology · Dallas, TX $60,936 2% · 22 payments
  5. Toby Maher Pulmonary Disease · Los Angeles, CA $55,290 2% · 1 payment

The top 5 of the 100 largest recipients; each share is of general payments naming this product in 2025.

The top 25 recipients, free in the app

Specialties paid General payments · program year 2025
  1. Hematology & Oncology Internal Medicine $923,818 33% · 2,541 practitioners
  2. Medical Oncology Internal Medicine $667,211 24% · 798 practitioners
  3. Nurse Practitioner $151,050 5% · 901 practitioners
  4. Nurse Practitioner, Family Nurse Practitioner $150,459 5% · 1,313 practitioners
  5. Diagnostic Radiology Radiology $145,975 5% · 35 practitioners

The top 5 of 100 specialties; each share is of general payments naming this product to practitioners with a specialty in 2025. Each practitioner is counted under their primary specialty.

The top 25 specialties, free in the app

Where the money went General payments · program year 2025
  1. New York $413,972 14% · 432 recipients
  2. California $412,381 14% · 818 recipients
  3. Florida $317,467 11% · 1,194 recipients
  4. Texas $254,816 9% · 629 recipients
  5. Pennsylvania $137,789 5% · 377 recipients

The top 5 of 53 states; each share is of general payments naming this product in 2025 where a state was reported.

The top 25 states, free in the app

Prescribed to Medicare patients

Part D · data year 2024

Part D claims

579

Prescriptions dispensed, refills included

Drug cost

$5,950,757

Paid at the pharmacy, in all

Prescribers

35

With 11 or more claims of it

Medicare Part D drugs matched to ENHERTU, 2024
Part D drug Name match Relative to the largest Prescribers Claims Drug cost
Enhertu Fam-Trastuzumab Deruxtecn-Nxki Same name 35 579 $5,950,757

Matched to this product by name; CMS does not link its files to Open Payments, so a similar name can be a different strength, form or brand. Prescriber counts include only prescribers with 11 or more claims of the drug, because CMS publishes nothing below that. Part D covers drugs dispensed to Medicare beneficiaries at a pharmacy; it does not include drugs given in a clinic or hospital, or patients with other insurance.

Largest prescribers

First 5 of 35 by claims · 2024

Two separate records. Claims come from Medicare and related payments from Open Payments. They are shown in one row because they name the same product; they do not show that a payment affected a prescription.

The prescribers with the most Part D claims of this drug in 2024
Prescriber Specialty State Claims Drug cost Related payments
Swetha Yadav Hematology-Oncology TX 31 $355,726 $255
Qi Feng Hematology-Oncology NY 31 $179,858 $116
Amitabha Mazumder Medical Oncology CA 26 $229,683 $179
Carlos Gadea Hematology-Oncology FL 24 $272,082 $158
Nihal Abdulla Hematology-Oncology CA 24 $167,966 $125

"No profile" means the prescriber has no Open Payments record here; "None on record" means no payment naming this product in the payment year. Related payments are general payments, and one that names several products is split evenly, so an amount is payments related to the product, not money paid for it. The list is the prescribers with the most claims, up to 100 per drug.

See more in the dashboard: 25 with a free account, all 35 with Patron

Given in the clinic

Part B · billing code
Medicare Part B billing codes matched to ENHERTU
Billing code Providers Services Paid by Medicare
Injection, fam-trastuzumab deruxtecan-nxki, 1 mg J9358 6 107,900 $2,317,883

Drugs given by a clinician are billed to Medicare Part B, not Part D. The product is tied to a billing code through the NDC on CMS's crosswalk, which was published for a later quarter than the payments, so a code that changed in between can be missed. Providers with fewer than 11 patients for the code are not published. Medicare's payment here is what it paid for the services, to the billing practice.

92,507 general · 16,347 research

Every payment, record by record

Date, amount, who was paid and what for — filter by year and kind, or download as CSV, free, in files of 5,000 rows.

What you are looking at

Manufacturers name the drug, biological or device a payment relates to. CMS does not give products their own identifiers, so a product here is assembled from how it was reported — a brand may appear under more than one spelling, and this page covers one of them rather than the brand as a whole.

Provenance

Source: CMS Open Payments · through program year 2025

We reproduce what manufacturers reported. We do not verify, edit or correct the underlying records.

A payment record is not evidence of wrongdoing. Financial relationships between industry and medicine are legal, common and often necessary for research. Who Paid My Doc reports what was disclosed; it does not judge it.

Who Paid My Doc is independent and is not affiliated with, endorsed by or sponsored by CMS or any U.S. government agency. It is not a consumer reporting agency and this is not a consumer report; do not use it for decisions covered by the Fair Credit Reporting Act.

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