Covered recipient · General Payments record

RYON K NAKASONE

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI: 1114138351
CMS profile: 5344
Location: HONOLULU, HI

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.

Saved items

Saved only in this browser. No account or alerts.

Filter and download payment records

General Payments · PY2019 · Entire year

$3,311.28

125 records · 0 disputed

Summary and payment records

CMS publication 2026-06-30

Read the payment records

“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.
Methodology & Data — sourcing, labeling, and limitations.

Provider summaries generated July 26, 2026. 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 ↗

By nature of payment

PY2019 · entire year · sorted by reported total

Nature of payment	Amount	Records
Food and Beverage	$2,834.43	113
Education	$476.85	12

By paying entity

PY2019 · entire year · sorted by reported total

Paying entity	Amount	Records
Astellas Pharma US Inc	$488.20	7
E.R. Squibb & Sons, L.L.C.	$301.43	22
PFIZER INC.	$299.66	15
Celgene Corporation	$210.62	5
Merck Sharp & Dohme Corporation	$195.63	13
Genentech USA, Inc.	$185.86	2
AstraZeneca Pharmaceuticals LP	$157.49	8
Amgen Inc.	$139.76	6
Exelixis Inc.	$135.79	2
Verastem, Inc.	$120.69	2
Puma Biotechnology, Inc.	$118.60	1
Janssen Biotech, Inc.	$113.43	6
Kite Pharma, Inc.	$110.40	1
Pharmacyclics LLC, An AbbVie Company	$100.66	5
Incyte Corporation	$91.85	4
Cardinal Health 108, LLC	$72.84	1
Takeda Pharmaceuticals U.S.A., Inc.	$58.63	3
Bayer HealthCare Pharmaceuticals Inc.	$56.85	3
Lilly USA, LLC	$48.01	3
Dendreon Pharmaceuticals LLC	$43.15	2
Novartis Pharmaceuticals Corporation	$39.58	2
Clovis Oncology, Inc.	$37.36	2
Janssen Pharmaceuticals, Inc	$30.23	2
Boehringer Ingelheim Pharmaceuticals, Inc.	$30.03	2
AbbVie, Inc.	$23.87	1
TOLMAR Pharmaceuticals, Inc.	$23.52	1
GENZYME CORPORATION	$21.00	1
EISAI INC.	$19.77	1
Ipsen Biopharmaceuticals, Inc	$18.90	1
Gilead Sciences, Inc.	$17.47	1

Page 2 of 3; records 51–100 of 125 matching records. This page contains 50 records (maximum 50), not the full filtered export. Use the CSV download for all matching records.

IndustryPayments · General Payments

RYON K NAKASONE

NPI 1114138351 · CMS profile ID 5344

Allopathic & Osteopathic Physicians / Internal Medicine / Hematology & Oncology

HONOLULU, HI

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.

General Payments, PY2019; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types

Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00

Page 2 of 3; records 51–100 of 125 matching records. This page contains 50 records (maximum 50), not the full filtered export.

Filtered page: https://industrypayments.org/provider/npi-1114138351?year=2019&recipient=provider&page=2#records-h

CMS source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e

Cite these filtered records

The citation includes this program year, filters, data edition, and page of results.

Plain: RYON K NAKASONE, NPI 1114138351, CMS profile ID 5344. General Payments, PY2019; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types. Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00. Page 2 of 3; records 51–100 of 125 matching records. This page contains 50 records (maximum 50), not the full filtered export. IndustryPayments. https://industrypayments.org/provider/npi-1114138351?year=2019&recipient=provider&page=2#records-h. Source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e.
APA 7: IndustryPayments. (2026). RYON K NAKASONE, NPI 1114138351, CMS profile ID 5344. General Payments, PY2019; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types. Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00. Page 2 of 3; records 51–100 of 125 matching records. This page contains 50 records (maximum 50), not the full filtered export. [Filtered data set page]. https://industrypayments.org/provider/npi-1114138351?year=2019&recipient=provider&page=2#records-h. Source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e.
Bluebook: RYON K NAKASONE, NPI 1114138351, CMS profile ID 5344, IndustryPayments, General Payments, PY2019; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types (Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00). Page 2 of 3; records 51–100 of 125 matching records. This page contains 50 records (maximum 50), not the full filtered export. Source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e. https://industrypayments.org/provider/npi-1114138351?year=2019&recipient=provider&page=2#records-h.

Centers for Medicare & Medicaid Services, Open Payments

Citation formats are provided for reference; check the requirements of your publication.

General Payments only. Research Payments and Ownership/Investment Interests are separate datasets and are not included.

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

Centers for Medicare & Medicaid Services, Open Payments

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.

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.

IndustryPayments.org is not a consumer reporting agency as defined by the Fair Credit Reporting Act. Do not use this site to determine any person's eligibility for employment, credentialing, insurance, credit, housing, or any other purpose covered by the FCRA.

Methodology: https://industrypayments.org/methodology

Payment records · PY2019

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

Reporting company Nature of payment

General Payments · PY2019 · Physicians and non-physician practitioners · CMS publication 2026-06-30

125 matching records · $3,311.28 reported total · 0 disputed

Nature of payment: All payment types

Records imported here November 5, 2026 (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 125 matching records (CSV)

CSV includes CMS record IDs, source and publication dates, the data edition, and a link to these filters. Formula-like text cells are prefixed with an apostrophe for spreadsheet safety.

Showing records 51–100 of 125.

Paying entity	Amount	Date	Nature of payment	Dispute status	Publication flags	Published	Record ID	Source
Merck Sharp & Dohme Corporation	$19.28	08/08/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	695720905	CMS
PFIZER INC.	$14.51	08/07/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	673757071	CMS
Merck Sharp & Dohme Corporation	$15.85	08/06/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	695686277	CMS
PFIZER INC.	$14.65	08/06/2019	Education	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	673261069	CMS
PFIZER INC.	$15.32	08/06/2019	Education	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	673783087	CMS
PFIZER INC.	$8.08	08/06/2019	Education	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	673792019	CMS
PFIZER INC.	$11.05	08/06/2019	Education	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	673792021	CMS
E.R. Squibb & Sons, L.L.C.	$17.62	08/02/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	651432325	CMS
Pharmacyclics LLC, An AbbVie Company	$22.05	08/01/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	665707811	CMS
Clovis Oncology, Inc.	$18.70	07/30/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	688689877	CMS
Merck Sharp & Dohme Corporation	$16.84	07/26/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	695681057	CMS
Janssen Biotech, Inc.	$1.96	07/25/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	658612565	CMS
Janssen Biotech, Inc.	$29.43	07/25/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	658612569	CMS
E.R. Squibb & Sons, L.L.C.	$16.91	07/18/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	651432319	CMS
E.R. Squibb & Sons, L.L.C.	$2.82	07/18/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	651432321	CMS
Incyte Corporation	$24.15	07/17/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	666238767	CMS
Janssen Pharmaceuticals, Inc	$4.96	07/16/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	659078609	CMS
Merck Sharp & Dohme Corporation	$13.89	07/11/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	695634313	CMS
E.R. Squibb & Sons, L.L.C.	$22.77	07/09/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	651432315	CMS
Merck Sharp & Dohme Corporation	$15.11	06/27/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	695628439	CMS
Pharmacyclics LLC, An AbbVie Company	$16.80	06/21/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	665708497	CMS
E.R. Squibb & Sons, L.L.C.	$2.70	06/19/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	651432309	CMS
E.R. Squibb & Sons, L.L.C.	$14.48	06/19/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	651432311	CMS
Astellas Pharma US Inc	$75.99	06/14/2019	Education	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	655706393	CMS
Astellas Pharma US Inc	$99.95	06/14/2019	Education	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	655706397	CMS
Astellas Pharma US Inc	$95.00	06/14/2019	Education	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	655706399	CMS
Astellas Pharma US Inc	$64.99	06/14/2019	Education	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	655706403	CMS
AstraZeneca Pharmaceuticals LP	$21.79	06/07/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	685192273	CMS
Celgene Corporation	$24.88	06/06/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	672791537	CMS
Verastem, Inc.	$19.67	05/28/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	699798747	CMS
E.R. Squibb & Sons, L.L.C.	$2.98	05/24/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	651432299	CMS
E.R. Squibb & Sons, L.L.C.	$13.39	05/24/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	651432301	CMS
E.R. Squibb & Sons, L.L.C.	$19.45	05/21/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	651432291	CMS
E.R. Squibb & Sons, L.L.C.	$0.67	05/21/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	651432293	CMS
AstraZeneca Pharmaceuticals LP	$21.64	05/16/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	685712739	CMS
Incyte Corporation	$23.77	05/14/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	666238755	CMS
E.R. Squibb & Sons, L.L.C.	$12.40	05/10/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	651432281	CMS
Merck Sharp & Dohme Corporation	$11.46	05/07/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	695459171	CMS
Astellas Pharma US Inc	$17.26	05/03/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	655706391	CMS
E.R. Squibb & Sons, L.L.C.	$24.20	04/30/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	651432279	CMS
Janssen Pharmaceuticals, Inc	$25.27	04/26/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	659078605	CMS
Exelixis Inc.	$128.09	04/10/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	686544307	CMS
Bayer HealthCare Pharmaceuticals Inc.	$18.37	04/09/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	628427151	CMS
Exelixis Inc.	$7.70	04/08/2019	Education	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	686552167	CMS
AstraZeneca Pharmaceuticals LP	$23.07	04/05/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	685073906	CMS
Celgene Corporation	$124.98	04/01/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	673014803	CMS
Pharmacyclics LLC, An AbbVie Company	$23.36	03/22/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	665704763	CMS
Merck Sharp & Dohme Corporation	$14.23	03/21/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	695359185	CMS
EISAI INC.	$19.77	03/20/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	696999741	CMS
TOLMAR Pharmaceuticals, Inc.	$23.52	03/15/2019	Food and Beverage	No dispute reported	Delay: No Change: UNCHANGED	06/30/2026	675454997	CMS

By program year

All program years on this page · sorted by year

Program year	Amount	Records
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
PY2025	$2,732.72	115

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 and profile matching

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.