NPPES file of Aug 9, 2026

Michael Kenji Yamazaki, M.D.

Physical Medicine & Rehabilitation Physician · Honolulu, HI

Michael Kenji Yamazaki, M.D. is a physical medicine & rehabilitation physician with a practice address in Honolulu, Hawaii, and NPI 1639359813, issued on Nov 6, 2007. Check the license (Hawaii 15519, 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
1639359813
Name
Michael Kenji Yamazaki
Credential
M.D.
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License numbers
15519 HI
A101393 CA
Self-reported in NPPES; status is on the state search
Practice location
888 S King St, Honolulu, HI 96813
Phone
(808) 522-2639
Enumerated
Nov 6, 2007
Record last updated
Jul 20, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(808) 522-4401
Medicare enrollment
Enrolled (PECOS I20110927000158); accepts Medicare assignment
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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Also registered at 888 S King St

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

  1. Ayman Abdul-Ghani, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1548449218
  2. Cedric Akau, M.D.Physical Medicine & Rehabilitation Physician1437254034
  3. Christopher Apostolides, PAPhysician Assistant1083655153
  4. Stephen Arnold, M.D.Internal Medicine Physician1598859928
  5. Swaty Arora, MDHematology & Oncology Physician1194037432
  6. Whitney Reigh Asao, OTD, OTR/LOccupational Therapist1568082766

Verify Michael Kenji Yamazaki in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license 15519
    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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98% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024

12 Medicare Part D claims, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Michael Yamazaki12
  2. Specialty average727

Most prescribed

  1. Methylprednisolone11 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 practice group's MIPS final score for 2023 (Medicare payment program): 86.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score80.3
  2. Costout of 100 · 30%73.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $14,970.67

3 payments; by number, the most common kind was consulting fee; the largest payer was GE Healthcare. The 3,895 providers of this specialty with any payment received $1,237.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Yamazaki$14,971
  2. Specialty average$1,238

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. Straub Clinic And HospitalHonolulu, HI · Acute Care Hospitals4 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.

Michael Kenji Yamazaki among 62 physical medicine & rehabilitation physician records in Hawaii

Michael Kenji Yamazaki, M.D. is one of 62 physical medicine & rehabilitation physician records with a practice address in Hawaii. 52% 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 39% of them.

  • NPI issued2007 · 39% of these records are older, 48% newer
  • In a Medicare fileYes · 52% of these records are
  • In the CMS Doctors and Clinicians fileYes · 45% of these records are
  • Graduated2006 · median 1999 among the 28 with a school on file
  • Record last updated2011 · 74% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physical Medicine & Rehabilitation Physician providers in Hawaii

There are 62 physical medicine & rehabilitation physician records in Hawaii.

The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes

  1. Cedric Akau, M.D.Honolulu, HI 968131437254034
  2. Dennis Crowley, MDHonolulu, HI 968131851493530
  3. Bruce Katsura, MDHonolulu, HI 968131497857189
  4. Andrew Montemayor, M.D.Honolulu, HI 968131487731063
  5. Timothy Olderr, M.D.Honolulu, HI 968131316034457
  6. Meng Roe, M.D.Honolulu, HI 968131548353287
  7. Linda Rowan, M.D.Honolulu, HI 968131558464362
  8. Jayson Takata, M.D.Honolulu, HI 968131922101757

Common questions

What is Michael Kenji Yamazaki, M.D.'s NPI number?

Michael Kenji Yamazaki, M.D.'s National Provider Identifier (NPI) is 1639359813, issued on Nov 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Michael Kenji Yamazaki, M.D. located?

The NPPES record lists a practice address at 888 S King St, Honolulu, HI, 96813. Phone: (808) 522-2639. Providers update this record themselves, so call before visiting.

How can I verify Michael Kenji Yamazaki, M.D.'s license?

NPPES lists Hawaii license number 15519, 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 Michael Kenji Yamazaki, M.D. prescribe under Medicare Part D?

In 2024, Michael Kenji Yamazaki, M.D. had 12 Medicare Part D claims; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.

What is Michael Kenji Yamazaki, M.D.'s MIPS final score?

The 2023 MIPS final score is 86.2 of 100, reported for the practice group. 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.