Clayton V. Chan, MD
Medical Oncology Physician · Honolulu, HI
Clayton V. Chan, MD is a medical oncology physician with a practice address in Honolulu, Hawaii, and NPI 1346340239, issued on Sep 22, 2006. Check the license (Hawaii MD-5800, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Clayton V. Chan
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- MD-5800 HI
Self-reported in NPPES; status is on the state search - Practice location
- 3288 Moanalua RD, Honolulu, HI 96819
- Phone
- (808) 432-0000
- Enumerated
- Sep 22, 2006
- Record last updated
- Oct 10, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 032537-01 HI
- Medicare enrollment
- Enrolled (PECOS I20101025000318); accepts Medicare assignment
- Medical or professional school
- University Of Hawaii John A. Burns School Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 10 in Hawaii → Look up another NPI →
Also registered at 3288 Moanalua RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Peter Abcarian, MDVascular & Interventional Radiology Physician1457451155
- Melissa Abraham, M.A., CCC-SLPSpeech-Language Pathologist1295064301
- Alan Ahana, MDAnesthesiology Physician1376742239
- Harrison Aihara, PHARMDPharmacist1124174321
- Oluwatoyin Ajose, MDPediatrics Physician1114090008
Verify Clayton V. Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD-5800Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average medical oncology physician in 2024
260 Medicare Part D claims for 87 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 14 claims were for opioids.
Most prescribed
- Prednisone30 claims
- Ondansetron Odt27 claims
- Prochlorperazine Maleate22 claims
- Dexamethasone15 claims
- Anastrozole14 claims
- Levothyroxine Sodium14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $986.94
33 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Hilo Benioff Medical CenterHilo, HI · Acute Care Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Clayton V. Chan among 10 medical oncology physician records in Hawaii
Clayton V. Chan, MD is one of 10 medical oncology physician records with a practice address in Hawaii. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 50% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Record last updated2007 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Hawaii
There are 10 medical oncology physician records in Hawaii.
All 10 in Hawaii → Every provider in Honolulu → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Charles Miller, MDHonolulu, HI 968191568526358
- Shaun Donegan, MDHonolulu, HI 968171104038249
- Matthew Ebia, MDHonolulu, HI 968171811361678
- Kevin Loh, M DHonolulu, HI 968171518244631
- Reuben Guerrero, M.D.Honolulu, HI 968131417961038
- Aileen Suzui, M.D.Honolulu, HI 968131841384732
- Naoto Ueno, M.D. PHDHonolulu, HI 968131851497770
- Jami Fukui, MDHonolulu, HI 968261790084408
Common questions
What is Clayton V. Chan, MD's NPI number?
Clayton V. Chan, MD's National Provider Identifier (NPI) is 1346340239, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Clayton V. Chan, MD located?
The NPPES record lists a practice address at 3288 Moanalua RD, Honolulu, HI, 96819. Phone: (808) 432-0000. Providers update this record themselves, so call before visiting.
How can I verify Clayton V. Chan, MD's license?
NPPES lists Hawaii license number MD-5800, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Clayton V. Chan, MD prescribe under Medicare Part D?
In 2024, Clayton V. Chan, MD had 260 Medicare Part D claims for 87 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.