NPPES file of Aug 9, 2026

Mark D. Mayeda, M.D.

Radiation Oncology Physician · Honolulu, HI

Mark D. Mayeda, M.D. is a radiation oncology physician with a practice address in Honolulu, Hawaii, and NPI 1295181493, issued on May 6, 2016. Check the license (Hawaii MD-21645, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295181493
Name
Mark D. Mayeda
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
MD-21645 HI
Self-reported in NPPES; status is on the state search
Practice location
1301 Punchbowl St, Honolulu, HI 96813
Phone
(808) 691-8777
Enumerated
May 6, 2016
Record last updated
Jul 14, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210716000690); accepts Medicare assignment
Medical or professional school
University Of Hawaii John A. Burns School Of Medicine, 2016
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest radiation oncology physician records → All 28 in Hawaii → Look up another NPI →

Also registered at 1301 Punchbowl St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brenda Abbotnakandakari, RNDiabetes Educator Registered Nurse1760705248
  2. Janette AbramowitzPsychiatry Physician1275952335
  3. Natalie AdolfPhysician Assistant1396282414
  4. Hessam Afshari, MDEmergency Medicine Physician1811217573
  5. Cheryl Ann Afuso-Sumimoto, APRNOncology Clinical Nurse Specialist1750929253
  6. Kyan Renie AgbayaniInternal Medicine Physician1083101323

Verify Mark D. Mayeda in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD-21645    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Hawaii license search

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57% fewer Medicare Part D claims than the average radiation oncology physician in 2024

57 Medicare Part D claims for 34 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Mark Mayeda57
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl21 claims
  2. Lorazepam11 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: $958.69

30 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Mayeda$958.69
  2. Specialty average$1,897.85

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. The Queens Medical CenterHonolulu, 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.

Mark D. Mayeda among 28 radiation oncology physician records in Hawaii

Mark D. Mayeda, M.D. is one of 28 radiation oncology physician records with a practice address in Hawaii. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 82% of them.

  • NPI issued2016 · 82% of these records are older, 14% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2016 · median 2010 among the 21 with a school on file
  • Record last updated2021 · 36% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Hawaii

There are 28 radiation oncology physician records in Hawaii.

All 28 in Hawaii → Every provider in Honolulu → Radiation Oncology Physician nationwide →

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Jared Hara, MDHonolulu, HI 968131548751894
  2. Diana Lu, MDHonolulu, HI 968131437684370
  3. Anthony Michaud, MDHonolulu, HI 968131225270325
  4. Scott Moon, M.D.Honolulu, HI 968131366415309
  5. Stuart Tsuji, M.D., PH.D.Honolulu, HI 968131558534602
  6. Vincent Brown, M.D.Honolulu, HI 968171902885247
  7. Susie Chen, M.D.Honolulu, HI 968171164609517
  8. Ladonna Chung, M.D.Honolulu, HI 968171689709206

Common questions

What is Mark D. Mayeda, M.D.'s NPI number?

Mark D. Mayeda, M.D.'s National Provider Identifier (NPI) is 1295181493, issued on May 6, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Mark D. Mayeda, M.D. located?

The NPPES record lists a practice address at 1301 Punchbowl St, Honolulu, HI, 96813. Phone: (808) 691-8777. Providers update this record themselves, so call before visiting.

How can I verify Mark D. Mayeda, M.D.'s license?

NPPES lists Hawaii license number MD-21645, 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 Mark D. Mayeda, M.D. prescribe under Medicare Part D?

In 2024, Mark D. Mayeda, M.D. had 57 Medicare Part D claims for 34 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.