Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · CMS publication 2026-06-30 View official record

Reflects CMS Open Payments as of 2026-07-26T04:22:22Z. CMS updates this data on an annual cycle, and corrections or successful disputes made at CMS may not yet appear here. The official CMS record is authoritative for the current state. View the official CMS record ↗

Covered recipient · General Payments record

ISOKEN KOKO

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1265465728
CMS profile
103251
Location
RIVER FOREST, IL

A name match is not confirmation of identity. CMS publishes records for different people under similar names; the NPI, specialty, and location shown on this page are the CMS-published fields that distinguish them.

General Payments · PY2019–2025

  • CMS publication 2026-06-30

Latest program year · PY2025

$1,573.80

65 records · 0 disputed

Other CMS categories — not shown on this page

Research Payments

CMS also publishes Research Payments as a separate dataset. This site does not currently mirror it, and no research figure is shown on this page. This provider appears in that dataset.

“If you are a physician who served as a principal investigator on a research study, you may see the payments associated with that research study listed under your name. This does not necessarily mean the payments are attributed to you. The dollar amount of the record corresponds to the total payment; the amounts are not attributed to each individual on the record.”

— Centers for Medicare & Medicaid Services, Open Payments Frequently Asked Questions, FAQ #12224

These records are published by CMS and can be viewed on this provider’s official CMS record. View this provider on CMS Open Payments ↗

“Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.”

— Centers for Medicare & Medicaid Services, Open Payments

A reported payment reflects a financial relationship a company disclosed. It does not indicate wrongdoing or a conflict of interest, and it says nothing about the quality of a provider's care.

These records are submitted to CMS and attested to by the reporting companies. CMS publishes them as reported; this site mirrors them without independent verification.

A payment attributed to a provider may have been made to a third party — a hospital, practice, or research institution — rather than paid to the provider personally.

How these totals are calculated
  • This total is the sum of the individual General Payments record amounts CMS published for the labeled program year(s); each record amount is used unmodified. The total itself is computed by this site. Nothing is estimated, weighted, or combined across categories.
  • General Payments only. Research and Ownership/Investment are separate datasets and are never summed with these figures; amounts are kept separate per program year.
  • Featured-page threshold (a presentation gate, not a judgment): (records>=3 OR total>=100) AND records>=2 AND NPI identity (all years).
  • Methodology & Data — sourcing, labeling, and limitations.

By nature of payment

PY2025 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $1,362.39 62
Education $211.41 3

By paying entity

PY2025 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $7,028.97 131
PY2020 $1,809.55 44
PY2021 $668.34 27
PY2022 $2,283.44 29
PY2023 $1,114.08 47
PY2024 $2,169.25 81
PY2025 $1,573.80 65

Payment records · PY2025 (65)

Ordering applied by this site (date, newest first, then paying entity) · record values are shown as CMS published them

Program year 2025 201920202021202220232024 Record-level detail is published for PY2025; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
PFIZER INC. $5.01 12/23/2025 Food and Beverage No dispute reported 06/30/2026 1231145327 CMS
ABBVIE INC. $22.21 12/12/2025 Food and Beverage No dispute reported 06/30/2026 1202221897 CMS
Gilead Sciences, Inc. $12.42 12/09/2025 Education No dispute reported 06/30/2026 1234362477 CMS
Gilead Sciences, Inc. $23.47 12/09/2025 Food and Beverage No dispute reported 06/30/2026 1234489820 CMS
Janssen Biotech, Inc. $111.79 12/04/2025 Food and Beverage No dispute reported 06/30/2026 1174330667 CMS
Daiichi Sankyo Inc. $19.74 11/25/2025 Food and Beverage No dispute reported 06/30/2026 1197004111 CMS
Daiichi Sankyo Inc. $10.51 11/25/2025 Food and Beverage No dispute reported 06/30/2026 1197006077 CMS
ABBVIE INC. $25.35 11/18/2025 Food and Beverage No dispute reported 06/30/2026 1202221895 CMS
AstraZeneca Pharmaceuticals LP $24.30 11/18/2025 Food and Beverage No dispute reported 06/30/2026 1206164910 CMS
AstraZeneca Pharmaceuticals LP $26.00 11/06/2025 Food and Beverage No dispute reported 06/30/2026 1206342874 CMS
PFIZER INC. $5.86 11/05/2025 Food and Beverage No dispute reported 06/30/2026 1230652608 CMS
GlaxoSmithKline, LLC. $25.09 10/28/2025 Food and Beverage No dispute reported 06/30/2026 1190581553 CMS
ARRAY BIOPHARMA INC $25.03 10/23/2025 Food and Beverage No dispute reported 06/30/2026 1230696517 CMS
PFIZER INC. $32.46 10/16/2025 Food and Beverage No dispute reported 06/30/2026 1230703317 CMS
TerSera Therapeutics LLC $26.50 10/07/2025 Food and Beverage No dispute reported 06/30/2026 1244057626 CMS
Novartis Pharmaceuticals Corporation $27.27 09/30/2025 Food and Beverage No dispute reported 06/30/2026 1200364938 CMS
ABBVIE INC. $18.87 09/29/2025 Food and Beverage No dispute reported 06/30/2026 1202221893 CMS
Novartis Pharmaceuticals Corporation $20.37 09/25/2025 Food and Beverage No dispute reported 06/30/2026 1200364940 CMS
Merck Sharp & Dohme LLC $17.95 09/24/2025 Food and Beverage No dispute reported 06/30/2026 1238086891 CMS
ABBVIE INC. $21.98 09/23/2025 Food and Beverage No dispute reported 06/30/2026 1202221891 CMS
ABBVIE INC. $7.64 09/20/2025 Food and Beverage No dispute reported 06/30/2026 1202221889 CMS
Gilead Sciences, Inc. $23.47 09/16/2025 Food and Beverage No dispute reported 06/30/2026 1234489818 CMS
PFIZER INC. $2.90 09/11/2025 Food and Beverage No dispute reported 06/30/2026 1230420688 CMS
Daiichi Sankyo Inc. $17.73 08/20/2025 Food and Beverage No dispute reported 06/30/2026 1197015873 CMS
Celgene Corporation $21.57 08/19/2025 Food and Beverage No dispute reported 06/30/2026 1184573155 CMS
ABBVIE INC. $27.18 08/07/2025 Food and Beverage No dispute reported 06/30/2026 1202221887 CMS
Daiichi Sankyo Inc. $22.13 07/29/2025 Food and Beverage No dispute reported 06/30/2026 1197017337 CMS
ARRAY BIOPHARMA INC $18.20 07/17/2025 Food and Beverage No dispute reported 06/30/2026 1229427410 CMS
PFIZER INC. $26.98 07/15/2025 Food and Beverage No dispute reported 06/30/2026 1229464226 CMS
Astellas Pharma US Inc $19.64 07/10/2025 Food and Beverage No dispute reported 06/30/2026 1238707822 CMS
Novartis Pharmaceuticals Corporation $15.75 07/03/2025 Food and Beverage No dispute reported 06/30/2026 1200364934 CMS
SEAGEN INC. $99.99 06/18/2025 Education No dispute reported 06/30/2026 1228952545 CMS
Gilead Sciences, Inc. $22.64 06/17/2025 Food and Beverage No dispute reported 06/30/2026 1234498404 CMS
Daiichi Sankyo Inc. $23.50 06/12/2025 Food and Beverage No dispute reported 06/30/2026 1197079505 CMS
Daiichi Sankyo Inc. $1.08 06/12/2025 Food and Beverage No dispute reported 06/30/2026 1197101145 CMS
Merck Sharp & Dohme LLC $26.88 05/28/2025 Food and Beverage No dispute reported 06/30/2026 1238086893 CMS
Azurity Pharmaceuticals, Inc. $28.00 05/27/2025 Food and Beverage No dispute reported 06/30/2026 1242673917 CMS
PFIZER INC. $22.95 05/21/2025 Food and Beverage No dispute reported 06/30/2026 1229021793 CMS
AstraZeneca Pharmaceuticals LP $26.37 05/15/2025 Food and Beverage No dispute reported 06/30/2026 1206174540 CMS
PFIZER INC. $3.36 05/14/2025 Food and Beverage No dispute reported 06/30/2026 1229032956 CMS
TerSera Therapeutics LLC $29.69 05/14/2025 Food and Beverage No dispute reported 06/30/2026 1244057624 CMS
Daiichi Sankyo Inc. $8.77 05/05/2025 Food and Beverage No dispute reported 06/30/2026 1197093541 CMS
ABBVIE INC. $6.02 04/14/2025 Food and Beverage No dispute reported 06/30/2026 1202221885 CMS
Novartis Pharmaceuticals Corporation $22.87 04/10/2025 Food and Beverage No dispute reported 06/30/2026 1200364928 CMS
Merck Sharp & Dohme LLC $15.63 04/09/2025 Food and Beverage No dispute reported 06/30/2026 1238361203 CMS
AstraZeneca Pharmaceuticals LP $22.94 04/07/2025 Food and Beverage No dispute reported 06/30/2026 1206964037 CMS
PFIZER INC. $25.70 03/31/2025 Food and Beverage No dispute reported 06/30/2026 1228909689 CMS
Celgene Corporation $19.24 03/11/2025 Food and Beverage No dispute reported 06/30/2026 1184573091 CMS
Novartis Pharmaceuticals Corporation $27.23 03/10/2025 Food and Beverage No dispute reported 06/30/2026 1200364912 CMS
Merck Sharp & Dohme LLC $27.78 03/05/2025 Food and Beverage No dispute reported 06/30/2026 1238310000 CMS
Karyopharm Therapeutics Inc. $25.95 02/26/2025 Food and Beverage No dispute reported 06/30/2026 1246646067 CMS
Gilead Sciences, Inc. $22.19 02/25/2025 Food and Beverage No dispute reported 06/30/2026 1234503045 CMS
ARRAY BIOPHARMA INC $16.70 02/20/2025 Food and Beverage No dispute reported 06/30/2026 1228884746 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $26.30 02/19/2025 Food and Beverage No dispute reported 06/30/2026 1222942462 CMS
Merck Sharp & Dohme LLC $21.47 02/18/2025 Food and Beverage No dispute reported 06/30/2026 1238310002 CMS
Daiichi Sankyo Inc. $24.07 02/13/2025 Food and Beverage No dispute reported 06/30/2026 1197041697 CMS
Daiichi Sankyo Inc. $1.94 02/13/2025 Food and Beverage No dispute reported 06/30/2026 1197048685 CMS
Ipsen Biopharmaceuticals, Inc $24.80 02/05/2025 Food and Beverage No dispute reported 06/30/2026 1208822805 CMS
E.R. Squibb & Sons, L.L.C. $16.68 01/30/2025 Food and Beverage No dispute reported 06/30/2026 1184573081 CMS
Novartis Pharmaceuticals Corporation $31.04 01/29/2025 Food and Beverage No dispute reported 06/30/2026 1200364914 CMS
Janssen Biotech, Inc. $25.25 01/27/2025 Food and Beverage No dispute reported 06/30/2026 1174330645 CMS
ABBVIE INC. $22.21 01/15/2025 Food and Beverage No dispute reported 06/30/2026 1202221883 CMS
SEAGEN INC. $99.00 01/15/2025 Education No dispute reported 06/30/2026 1228918892 CMS
Daiichi Sankyo Inc. $29.92 01/13/2025 Food and Beverage No dispute reported 06/30/2026 1197099433 CMS
ARRAY BIOPHARMA INC $20.27 01/06/2025 Food and Beverage No dispute reported 06/30/2026 1228863887 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-06-30
Program years on this page
2019, 2020, 2021, 2022, 2023, 2024, 2025
Source files
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024 , PY2025
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.csv

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.

Cite this record.

Plain
ISOKEN KOKO, NPI 1265465728. IndustryPayments, data edition 2026-07-26T04:22:22Z. https://industrypayments.org/provider/npi-1265465728.
APA 7
IndustryPayments. (2026). ISOKEN KOKO, NPI 1265465728 (Data edition 2026-07-26T04:22:22Z) [Data set]. https://industrypayments.org/provider/npi-1265465728
Bluebook
ISOKEN KOKO, NPI 1265465728, IndustryPayments (data edition 2026-07-26T04:22:22Z), https://industrypayments.org/provider/npi-1265465728.

Source: Centers for Medicare & Medicaid Services, Open Payments.