NPPES file of Aug 9, 2026

Izumi Yamamoto, MD

Ophthalmology Physician · Honolulu, HI

Izumi Yamamoto, MD is an ophthalmology physician with a practice address in Honolulu, Hawaii, and NPI 1447465869, issued on May 10, 2007. Check the license (Hawaii MD-15294, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447465869
Name
Izumi Yamamoto
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
MD-15294 HI
A99096 CA
Self-reported in NPPES; status is on the state search
Practice location
1441 Kapiolani Blvd, Honolulu, HI 96814
Phone
(808) 943-7000
Enumerated
May 10, 2007
Record last updated
Nov 6, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(808) 943-7001
Medicare enrollment
Enrolled (PECOS I20100517000472); accepts Medicare assignment
Medical or professional school
University Of Hawaii John A. Burns School Of Medicine, 2002
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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Also registered at 1441 Kapiolani Blvd

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

  1. Derrick Abe, O.D.Optometrist1184676264
  2. Chie Arai, MSCPCounselor1164864575
  3. Kenneth Arakawa, DDSOral and Maxillofacial Surgery (Dentist)1528201274
  4. Larry Au, PAMedical Physician Assistant1598879876
  5. Douglas Bell, M.D.Specialist1992700868
  6. George Chan, D.M.D.General Practice Dentistry1346431723

Verify Izumi Yamamoto in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD-15294
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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43% fewer Medicare Part D claims than the average ophthalmology physician in 2024

858 Medicare Part D claims for 224 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.

  1. Izumi Yamamoto858
  2. Specialty average1,518

Most prescribed

  1. Latanoprost275 claims
  2. Dorzolamide-Timolol157 claims
  3. Timolol Maleate101 claims
  4. Restasis86 claims
  5. Prednisolone Acetate43 claims
  6. Brimonidine Tartrate35 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.

The MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $237.98

5 payments; by number, the most common kind was food and beverage; the largest payer was Sight Sciences, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Izumi Yamamoto$237.98
  2. Specialty average$4,535.02

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

Bills Medicare through one group practice

  1. Hawaiian Eye Center IncWahiawa, HI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Izumi Yamamoto among 128 ophthalmology physician records in Hawaii

Izumi Yamamoto, MD is one of 128 ophthalmology physician records with a practice address in Hawaii. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 66% of them.

  • NPI issued2007 · 66% of these records are older, 17% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2002 · median 1995 among the 89 with a school on file
  • Record last updated2010 · 85% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Hawaii

There are 128 ophthalmology physician records in Hawaii.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Kenneth Baum, MDHonolulu, HI 968141871692269
  2. Douglas Chu, M.D.Honolulu, HI 968141841237443
  3. Stephen Clason, M.D.Honolulu, HI 968141982661161
  4. Alan Faulkner, M.D.Honolulu, HI 968141043312887
  5. Andrew Fong, MDHonolulu, HI 968141316047160
  6. Tyrie Jenkins, M.D.Honolulu, HI 968141316903610
  7. Marshall Kim, M.D., PH.D.Honolulu, HI 968141871534883
  8. Allan Kunimoto, M.D.Honolulu, HI 968141114979762

Common questions

What is Izumi Yamamoto, MD's NPI number?

Izumi Yamamoto, MD's National Provider Identifier (NPI) is 1447465869, issued on May 10, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Izumi Yamamoto, MD located?

The NPPES record lists a practice address at 1441 Kapiolani Blvd, Honolulu, HI, 96814. Phone: (808) 943-7000. Providers update this record themselves, so call before visiting.

How can I verify Izumi Yamamoto, MD's license?

NPPES lists Hawaii license number MD-15294, 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 Izumi Yamamoto, MD prescribe under Medicare Part D?

In 2024, Izumi Yamamoto, MD had 858 Medicare Part D claims for 224 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Izumi Yamamoto, MD's MIPS final score?

The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.