Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-01-23 View official record Methodology

Covered recipient · General Payments record

RYON K NAKASONE

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1114138351
CMS profile
5344
Location
HONOLULU, HI

General Payments · PY2018–2024

$21,778.33

  • Reported across 1,017 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$3,375.61

144 records · 0 disputed

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

How these totals are calculated
  • The total is the sum of the General Payments records CMS published for the labeled program year(s), exactly as published. 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 (all years).
  • Methodology & Data — sourcing, labeling, and limitations.

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $3,081.62 141
Education $293.99 3

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $4,591.61 168
PY2019 $3,311.28 125
PY2020 $950.19 69
PY2021 $2,457.26 132
PY2022 $3,184.78 188
PY2023 $3,907.60 191
PY2024 $3,375.61 144

Payment records · PY2024 (144)

Sorted by paying entity, then date · as published by CMS

Program year 2024 201820192020202120222023 Record-level detail is published for PY2024; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
ABBVIE INC. $25.97 03/11/2024 Food and Beverage Undisputed 01/23/2026 1105096403 CMS
ABBVIE INC. $4.68 05/11/2024 Food and Beverage Undisputed 01/23/2026 1105096405 CMS
ABBVIE INC. $21.68 05/11/2024 Food and Beverage Undisputed 01/23/2026 1105096407 CMS
ABBVIE INC. $17.41 07/23/2024 Food and Beverage Undisputed 01/23/2026 1105096409 CMS
ABBVIE INC. $14.50 08/19/2024 Food and Beverage Undisputed 01/23/2026 1105096411 CMS
ABBVIE INC. $7.74 09/10/2024 Food and Beverage Undisputed 01/23/2026 1105096413 CMS
ABBVIE INC. $13.46 10/11/2024 Food and Beverage Undisputed 01/23/2026 1105096415 CMS
ABBVIE INC. $13.49 10/12/2024 Food and Beverage Undisputed 01/23/2026 1105096417 CMS
ABBVIE INC. $3.93 10/28/2024 Food and Beverage Undisputed 01/23/2026 1105096419 CMS
ABBVIE INC. $15.99 10/28/2024 Food and Beverage Undisputed 01/23/2026 1105096421 CMS
ABBVIE INC. $0.81 10/28/2024 Food and Beverage Undisputed 01/23/2026 1105096423 CMS
ABBVIE INC. $4.42 11/21/2024 Food and Beverage Undisputed 01/23/2026 1105096425 CMS
ABBVIE INC. $23.83 11/21/2024 Food and Beverage Undisputed 01/23/2026 1105096427 CMS
Astellas Pharma US Inc $13.22 05/24/2024 Food and Beverage Undisputed 01/23/2026 1139342726 CMS
Astellas Pharma US Inc $15.49 07/19/2024 Food and Beverage Undisputed 01/23/2026 1139269024 CMS
Astellas Pharma US Inc $31.08 09/27/2024 Food and Beverage Undisputed 01/23/2026 1139402157 CMS
Astellas Pharma US Inc $14.60 12/12/2024 Food and Beverage Undisputed 01/23/2026 1139445252 CMS
AstraZeneca Pharmaceuticals LP $15.71 03/19/2024 Food and Beverage Undisputed 01/23/2026 1105579292 CMS
AstraZeneca Pharmaceuticals LP $51.01 03/19/2024 Food and Beverage Undisputed 01/23/2026 1105672271 CMS
AstraZeneca Pharmaceuticals LP $22.81 04/23/2024 Food and Beverage Undisputed 01/23/2026 1104552046 CMS
AstraZeneca Pharmaceuticals LP $23.41 06/07/2024 Food and Beverage Undisputed 01/23/2026 1105540887 CMS
AstraZeneca Pharmaceuticals LP $21.41 06/11/2024 Food and Beverage Undisputed 01/23/2026 1105573865 CMS
AstraZeneca Pharmaceuticals LP $21.98 07/02/2024 Food and Beverage Undisputed 01/23/2026 1105622851 CMS
AstraZeneca Pharmaceuticals LP $20.89 07/09/2024 Food and Beverage Undisputed 01/23/2026 1105847643 CMS
AstraZeneca Pharmaceuticals LP $23.23 08/28/2024 Food and Beverage Undisputed 01/23/2026 1105467471 CMS
AstraZeneca Pharmaceuticals LP $17.13 10/01/2024 Food and Beverage Undisputed 01/23/2026 1105638862 CMS
AstraZeneca Pharmaceuticals LP $20.55 12/18/2024 Food and Beverage Undisputed 01/23/2026 1105371799 CMS
Aveo Pharmaceuticals, Inc. $19.96 04/11/2024 Food and Beverage Undisputed 01/23/2026 1143485749 CMS
Aveo Pharmaceuticals, Inc. $99.99 04/12/2024 Education Undisputed 01/23/2026 1143485744 CMS
Aveo Pharmaceuticals, Inc. $20.58 05/31/2024 Food and Beverage Undisputed 01/23/2026 1143485755 CMS
Aveo Pharmaceuticals, Inc. $12.73 11/15/2024 Food and Beverage Undisputed 01/23/2026 1143485761 CMS
Bayer Healthcare Pharmaceuticals Inc. $26.91 06/06/2024 Food and Beverage Undisputed 01/23/2026 1086172668 CMS
Bayer Healthcare Pharmaceuticals Inc. $14.43 10/04/2024 Food and Beverage Undisputed 01/23/2026 1086139849 CMS
BeiGene USA, Inc. $15.15 02/06/2024 Food and Beverage Undisputed 01/23/2026 1120852709 CMS
BeiGene USA, Inc. $22.75 03/14/2024 Food and Beverage Undisputed 01/23/2026 1120852711 CMS
BeiGene USA, Inc. $21.96 05/03/2024 Food and Beverage Undisputed 01/23/2026 1120852713 CMS
Celgene Corporation $17.43 01/17/2024 Food and Beverage Undisputed 01/23/2026 1101128416 CMS
Celgene Corporation $17.33 11/21/2024 Food and Beverage Undisputed 01/23/2026 1101128438 CMS
Daiichi Sankyo Inc. $99.00 12/18/2024 Education Undisputed 01/23/2026 1089461431 CMS
Deciphera Pharmaceuticals Inc. $17.90 04/18/2024 Food and Beverage Undisputed 01/23/2026 1145874395 CMS
E.R. Squibb & Sons, L.L.C. $20.93 01/05/2024 Food and Beverage Undisputed 01/23/2026 1101399889 CMS
E.R. Squibb & Sons, L.L.C. $6.95 03/15/2024 Food and Beverage Undisputed 01/23/2026 1101399893 CMS
E.R. Squibb & Sons, L.L.C. $5.75 03/21/2024 Food and Beverage Undisputed 01/23/2026 1101399897 CMS
E.R. Squibb & Sons, L.L.C. $17.34 03/21/2024 Food and Beverage Undisputed 01/23/2026 1101399899 CMS
E.R. Squibb & Sons, L.L.C. $23.03 03/25/2024 Food and Beverage Undisputed 01/23/2026 1101399901 CMS
E.R. Squibb & Sons, L.L.C. $8.96 04/19/2024 Food and Beverage Undisputed 01/23/2026 1101399909 CMS
E.R. Squibb & Sons, L.L.C. $18.35 05/10/2024 Food and Beverage Undisputed 01/23/2026 1101399913 CMS
E.R. Squibb & Sons, L.L.C. $2.73 05/16/2024 Food and Beverage Undisputed 01/23/2026 1101399915 CMS
E.R. Squibb & Sons, L.L.C. $14.10 05/16/2024 Food and Beverage Undisputed 01/23/2026 1101399917 CMS
E.R. Squibb & Sons, L.L.C. $4.72 07/18/2024 Food and Beverage Undisputed 01/23/2026 1101399937 CMS
E.R. Squibb & Sons, L.L.C. $21.83 07/18/2024 Food and Beverage Undisputed 01/23/2026 1101399939 CMS
E.R. Squibb & Sons, L.L.C. $5.79 07/18/2024 Food and Beverage Undisputed 01/23/2026 1101399941 CMS
E.R. Squibb & Sons, L.L.C. $7.43 07/18/2024 Food and Beverage Undisputed 01/23/2026 1101399945 CMS
E.R. Squibb & Sons, L.L.C. $21.03 07/19/2024 Food and Beverage Undisputed 01/23/2026 1101399943 CMS
E.R. Squibb & Sons, L.L.C. $19.13 08/20/2024 Food and Beverage Undisputed 01/23/2026 1101399955 CMS
E.R. Squibb & Sons, L.L.C. $9.28 09/13/2024 Food and Beverage Undisputed 01/23/2026 1101399957 CMS
E.R. Squibb & Sons, L.L.C. $2.99 09/13/2024 Food and Beverage Undisputed 01/23/2026 1101399965 CMS
E.R. Squibb & Sons, L.L.C. $19.78 10/09/2024 Food and Beverage Undisputed 01/23/2026 1101399969 CMS
E.R. Squibb & Sons, L.L.C. $24.02 12/05/2024 Food and Beverage Undisputed 01/23/2026 1101399983 CMS
Eisai Inc. $19.71 03/13/2024 Food and Beverage Undisputed 01/23/2026 1110778609 CMS
Eisai Inc. $20.49 05/23/2024 Food and Beverage Undisputed 01/23/2026 1110778605 CMS
Eisai Inc. $17.49 06/05/2024 Food and Beverage Undisputed 01/23/2026 1110778613 CMS
Eisai Inc. $28.04 07/24/2024 Food and Beverage Undisputed 01/23/2026 1110778607 CMS
Eisai Inc. $21.99 08/20/2024 Food and Beverage Undisputed 01/23/2026 1110778611 CMS
Eisai Inc. $20.02 09/26/2024 Food and Beverage Undisputed 01/23/2026 1110778603 CMS
Eisai Inc. $8.30 11/05/2024 Food and Beverage Undisputed 01/23/2026 1110778615 CMS
EMD Serono, Inc. $37.26 07/12/2024 Food and Beverage Undisputed 01/23/2026 1120243001 CMS
EMD Serono, Inc. $15.78 12/04/2024 Food and Beverage Undisputed 01/23/2026 1120276898 CMS
Ferring Pharmaceuticals Inc. $35.22 04/18/2024 Food and Beverage Undisputed 01/23/2026 1137498238 CMS
Genentech USA, Inc. $14.30 03/28/2024 Food and Beverage Undisputed 01/23/2026 1133103773 CMS
Genentech USA, Inc. $34.06 05/02/2024 Food and Beverage Undisputed 01/23/2026 1133103778 CMS
Genentech USA, Inc. $30.27 09/24/2024 Food and Beverage Undisputed 01/23/2026 1133103782 CMS
Genentech USA, Inc. $31.51 11/26/2024 Food and Beverage Undisputed 01/23/2026 1133103786 CMS
Incyte Corporation $12.30 03/18/2024 Food and Beverage Undisputed 01/23/2026 1141279350 CMS
Incyte Corporation $21.55 03/21/2024 Food and Beverage Undisputed 01/23/2026 1141268605 CMS
Incyte Corporation $7.97 03/29/2024 Food and Beverage Undisputed 01/23/2026 1141203169 CMS
Incyte Corporation $18.48 04/04/2024 Food and Beverage Undisputed 01/23/2026 1141279110 CMS
Incyte Corporation $20.74 04/18/2024 Food and Beverage Undisputed 01/23/2026 1141175135 CMS
Incyte Corporation $21.04 04/19/2024 Food and Beverage Undisputed 01/23/2026 1141175105 CMS
Incyte Corporation $8.89 05/24/2024 Food and Beverage Undisputed 01/23/2026 1141312911 CMS
Incyte Corporation $10.69 05/30/2024 Food and Beverage Undisputed 01/23/2026 1141241628 CMS
Incyte Corporation $13.86 06/17/2024 Food and Beverage Undisputed 01/23/2026 1141204003 CMS
Incyte Corporation $10.38 09/19/2024 Food and Beverage Undisputed 01/23/2026 1141205251 CMS
Incyte Corporation $13.97 09/25/2024 Food and Beverage Undisputed 01/23/2026 1141205511 CMS
Incyte Corporation $11.71 10/03/2024 Food and Beverage Undisputed 01/23/2026 1141244282 CMS
Incyte Corporation $21.85 11/07/2024 Food and Beverage Undisputed 01/23/2026 1141205967 CMS
Ipsen Biopharmaceuticals, Inc $29.67 04/02/2024 Food and Beverage Undisputed 01/23/2026 1091963085 CMS
Ipsen Biopharmaceuticals, Inc $16.36 06/11/2024 Food and Beverage Undisputed 01/23/2026 1091963087 CMS
Janssen Biotech, Inc. $18.24 04/03/2024 Food and Beverage Undisputed 01/23/2026 1078560216 CMS
Janssen Biotech, Inc. $23.14 05/15/2024 Food and Beverage Undisputed 01/23/2026 1078560402 CMS
Janssen Biotech, Inc. $20.61 06/18/2024 Food and Beverage Undisputed 01/23/2026 1078560952 CMS
Janssen Biotech, Inc. $11.17 09/11/2024 Food and Beverage Undisputed 01/23/2026 1078560759 CMS
Janssen Biotech, Inc. $13.47 09/25/2024 Food and Beverage Undisputed 01/23/2026 1078560522 CMS
Janssen Biotech, Inc. $19.68 10/21/2024 Food and Beverage Undisputed 01/23/2026 1078560316 CMS
Janssen Biotech, Inc. $95.00 10/29/2024 Education Undisputed 01/23/2026 1078560763 CMS
Janssen Biotech, Inc. $25.42 12/13/2024 Food and Beverage Undisputed 01/23/2026 1078560586 CMS
McKesson Specialty Care Distribution, LLC $61.13 05/29/2024 Food and Beverage Undisputed 01/23/2026 1084812520 CMS
McKesson Specialty Care Distribution, LLC $64.44 05/31/2024 Food and Beverage Undisputed 01/23/2026 1084812522 CMS
Merck Sharp & Dohme LLC $19.11 04/05/2024 Food and Beverage Undisputed 01/23/2026 1141682779 CMS
Merck Sharp & Dohme LLC $15.33 05/17/2024 Food and Beverage Undisputed 01/23/2026 1141682777 CMS
Merck Sharp & Dohme LLC $27.91 06/21/2024 Food and Beverage Undisputed 01/23/2026 1141865171 CMS
Merck Sharp & Dohme LLC $23.12 07/17/2024 Food and Beverage Undisputed 01/23/2026 1141682773 CMS
Merck Sharp & Dohme LLC $18.95 09/13/2024 Food and Beverage Undisputed 01/23/2026 1141682775 CMS
Merck Sharp & Dohme LLC $21.92 10/23/2024 Food and Beverage Undisputed 01/23/2026 1141682771 CMS
Novartis Pharmaceuticals Corporation $23.71 03/12/2024 Food and Beverage Undisputed 01/23/2026 1087046228 CMS
Novartis Pharmaceuticals Corporation $20.09 05/28/2024 Food and Beverage Undisputed 01/23/2026 1087046238 CMS
Novartis Pharmaceuticals Corporation $26.60 06/03/2024 Food and Beverage Undisputed 01/23/2026 1087046236 CMS
Novartis Pharmaceuticals Corporation $14.04 06/13/2024 Food and Beverage Undisputed 01/23/2026 1087046246 CMS
Novartis Pharmaceuticals Corporation $28.79 06/25/2024 Food and Beverage Undisputed 01/23/2026 1087046250 CMS
Novartis Pharmaceuticals Corporation $17.95 07/10/2024 Food and Beverage Undisputed 01/23/2026 1087046244 CMS
Novartis Pharmaceuticals Corporation $29.61 07/24/2024 Food and Beverage Undisputed 01/23/2026 1087046252 CMS
Novartis Pharmaceuticals Corporation $26.28 08/23/2024 Food and Beverage Undisputed 01/23/2026 1087046258 CMS
Novartis Pharmaceuticals Corporation $27.12 09/10/2024 Food and Beverage Undisputed 01/23/2026 1087046256 CMS
Novartis Pharmaceuticals Corporation $24.56 09/25/2024 Food and Beverage Undisputed 01/23/2026 1087046260 CMS
Novartis Pharmaceuticals Corporation $26.48 09/25/2024 Food and Beverage Undisputed 01/23/2026 1087046262 CMS
Novartis Pharmaceuticals Corporation $25.22 11/13/2024 Food and Beverage Undisputed 01/23/2026 1087046264 CMS
Novartis Pharmaceuticals Corporation $17.93 11/19/2024 Food and Beverage Undisputed 01/23/2026 1087046266 CMS
Novartis Pharmaceuticals Corporation $15.08 12/11/2024 Food and Beverage Undisputed 01/23/2026 1087046272 CMS
Novartis Pharmaceuticals Corporation $29.88 12/17/2024 Food and Beverage Undisputed 01/23/2026 1087046274 CMS
PFIZER INC. $33.13 04/24/2024 Food and Beverage Undisputed 01/23/2026 1131404212 CMS
PFIZER INC. $36.45 06/20/2024 Food and Beverage Undisputed 01/23/2026 1131699700 CMS
PFIZER INC. $19.03 08/08/2024 Food and Beverage Undisputed 01/23/2026 1131901527 CMS
PFIZER INC. $28.40 10/18/2024 Food and Beverage Undisputed 01/23/2026 1132133315 CMS
PharmaEssentia USA Corporation $26.15 03/27/2024 Food and Beverage Undisputed 01/23/2026 1137310656 CMS
PharmaEssentia USA Corporation $31.87 09/08/2024 Food and Beverage Undisputed 01/23/2026 1137310736 CMS
PharmaEssentia USA Corporation $34.87 11/05/2024 Food and Beverage Undisputed 01/23/2026 1137310754 CMS
Regeneron Healthcare Solutions, Inc. $23.52 03/01/2024 Food and Beverage Undisputed 01/23/2026 1114121945 CMS
Regeneron Healthcare Solutions, Inc. $30.85 05/01/2024 Food and Beverage Undisputed 01/23/2026 1114121947 CMS
Regeneron Healthcare Solutions, Inc. $27.10 11/08/2024 Food and Beverage Undisputed 01/23/2026 1114121949 CMS
Rigel Pharmaceuticals, Inc. $28.60 11/08/2024 Food and Beverage Undisputed 01/23/2026 1145206841 CMS
SOBI, INC $18.06 08/06/2024 Food and Beverage Undisputed 01/23/2026 1141410818 CMS
Takeda Pharmaceuticals U.S.A., Inc. $24.08 01/11/2024 Food and Beverage Undisputed 01/23/2026 1144963820 CMS
Takeda Pharmaceuticals U.S.A., Inc. $5.58 01/11/2024 Food and Beverage Undisputed 01/23/2026 1144963822 CMS
Takeda Pharmaceuticals U.S.A., Inc. $6.74 03/15/2024 Food and Beverage Undisputed 01/23/2026 1137641092 CMS
Takeda Pharmaceuticals U.S.A., Inc. $10.07 04/09/2024 Food and Beverage Undisputed 01/23/2026 1144963824 CMS
Takeda Pharmaceuticals U.S.A., Inc. $10.65 04/09/2024 Food and Beverage Undisputed 01/23/2026 1144963826 CMS
Takeda Pharmaceuticals U.S.A., Inc. $24.26 05/21/2024 Food and Beverage Undisputed 01/23/2026 1144963828 CMS
Takeda Pharmaceuticals U.S.A., Inc. $21.45 06/12/2024 Food and Beverage Undisputed 01/23/2026 1144963830 CMS
Takeda Pharmaceuticals U.S.A., Inc. $23.16 10/17/2024 Food and Beverage Undisputed 01/23/2026 1144963832 CMS
Takeda Pharmaceuticals U.S.A., Inc. $1.43 10/17/2024 Food and Beverage Undisputed 01/23/2026 1144963834 CMS
Takeda Pharmaceuticals U.S.A., Inc. $29.83 11/19/2024 Food and Beverage Undisputed 01/23/2026 1144963836 CMS
Takeda Pharmaceuticals U.S.A., Inc. $26.96 12/04/2024 Food and Beverage Undisputed 01/23/2026 1144963838 CMS
US Oncology Corporate, Inc. $168.35 05/29/2024 Food and Beverage Undisputed 01/23/2026 1084863718 CMS
Vertos Medical, Inc. $138.45 05/09/2024 Food and Beverage Undisputed 01/23/2026 1133343191 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-01-23
Program years on this page
2018, 2019, 2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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