Medical Oncology in Hawaii
14 licensed medical oncologists practicing in Hawaii across 5 cities.
This page republishes public records from the federal NPI Registry, which every licensed U.S. healthcare provider is required to maintain. These are federal-agency records, not a directory we compile.
Source: NPI Registry · last checked
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NPI Registry records — Medical Oncology in Hawaii
9 of 14 shown have disclosed payments in CMS Open Payments (2024)
Showing 14 of 14 federal NPI records, alphabetical by last name. Contact details come directly from the NPI Registry — verify currency with the provider's office. Pharma / device payment disclosures from CMS Open Payments are shown where the physician appears in that federal database.
In 2024, $987 was disclosed to this physician across 33 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($887) and gifts ($100).
Largest single payer: AstraZeneca Pharmaceuticals LP ($166).
In 2024, $780 was disclosed to this physician across 27 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($681) and gifts ($99).
Largest single payer: AstraZeneca Pharmaceuticals LP ($173).
Shaun C Donegan, MD
321 N Kuakini St Ste 412
Honolulu, HI 96817 · (808) 531-8521
License: MD-23173 (HI)
In 2024, $3,030 was disclosed to this physician across 118 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($3,030).
Largest single payer: AstraZeneca Pharmaceuticals LP ($603).
In 2023, $32 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($32).
Matthew Ebia, MD
321 N Kuakini St Ste 404
Honolulu, HI 96817 · (808) 772-4743
License: MD-25142 (HI)
In 2024, $169 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($169).
Largest single payer: Johnson & Johnson Health Care Systems Inc. ($121).
In 2024, $9,608 was disclosed to this physician across 16 transactions by pharmaceutical or medical-device companies.
$3,137 was research funding (clinical-trial work); the remainder was charitable contributions ($5,055) and entertainment ($1,166).
Largest single payer: Eli Lilly and Company ($3,137).
Kenneth Downard Herbst, MD
86-260 Farrington Hwy
Waianae, HI 96792 · (808) 697-3300
License: G20622 (CA)
Kevin Kai-Tsu Loh, M D
1650 Liliha St, Suite 105
Honolulu, HI 96817 · (808) 524-3131
License: 2902 (HI)
Aileen E. Suzui, MD
1329 Lusitana St, Suite 307
Honolulu, HI 96813 · (808) 524-6115
License: MD-10271 (HI)
David Jon Tamura, MD
500 Ala Moana Suite 6-230
Honolulu, HI 96813 · (808) 524-6115
License: MD15078 (HI)
In 2024, $4,010 was disclosed to this physician across 144 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($3,687) and gifts ($323).
Largest single payer: Pfizer Inc. ($482).
In 2024, $54,148 was disclosed to this physician across 18 transactions by pharmaceutical or medical-device companies.
Mostly meals and beverages ($31,472) and charitable contributions ($22,020).
Largest single payer: Daiichi Sankyo Inc. ($19,468).
In 2024, $111 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($111).
Largest single payer: Tempus AI, Inc ($111).
Payment totals shown for the latest published program year (2024). Presence of disclosed payments is not, on its own, a conflict of interest. Physicians dispute records directly with CMS (dispute process). How we show this.
Open Payments figures as displayed on . Corrections flow from the manufacturer through CMS and are adopted on our next refresh.
What this page is: a republication of public federal NPI Registry records, filtered to the medical oncology taxonomy. It is not a directory we curate, and inclusion is automatic based on each provider's own NPI filing with CMS. Providers who believe their NPI record is inaccurate should update it directly with CMS at npiregistry.cms.hhs.gov; our next refresh adopts the corrected federal record.
Practice info disclaimer: Provider addresses and phone numbers come from the NPI Registry, which providers update at their discretion. Always call ahead to confirm the provider is currently accepting patients and is at the listed address.
Medical disclaimer: This page is not a quality ranking and does not constitute medical advice or endorsement. Choose a provider in consultation with your primary care physician or care team.
Source: NPI Registry (taxonomy: Medical Oncology) · Last checked: 2026-04-20