NPPES file of Aug 9, 2026

Michael Katsuto Matsunami, O.D.

Optometrist · Seattle, WA

Michael Katsuto Matsunami, O.D. is an optometrist with a practice address in Seattle, Washington, and NPI 1699767962, issued on Aug 22, 2005. Check the license (Washington 1499, as entered in NPPES) with the Washington board that licenses this profession; 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
1699767962
Name
Michael Katsuto Matsunami
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
1499 WA
Self-reported in NPPES; status is on the state search
Practice location
301A E Pike St, Seattle, WA 98122
Phone
(206) 464-0472
Enumerated
Aug 22, 2005
Record last updated
Feb 25, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(206) 464-0572
Medicaid ID
2017119 WA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 301A E Pike St

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

  1. Annie Yu, ODOptometrist1821612656

Verify Michael Katsuto Matsunami in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license 1499
    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
Find the Washington license search

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78% fewer Medicare Part D claims than the average optometrist in 2024

61 Medicare Part D claims for 15 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.

  1. Michael Matsunami61
  2. Specialty average277

Most prescribed

  1. Brimonidine Tartrate-Timolol12 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: $23.63

1 payment: food and beverage; the largest payer was Alcon Vision LLC. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Matsunami$23.63
  2. Specialty average$769.99

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

Michael Katsuto Matsunami among 1,641 optometrist records in Washington

Michael Katsuto Matsunami, O.D. is one of 1,641 optometrist records with a practice address in Washington. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 90% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2021 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in Washington

There are 1,641 optometrist records in Washington.

The 8 optometrist records with the nearest ZIP codes

  1. Isabelle Biss-Martin, ODSeattle, WA 981221831024363
  2. Shannon Chan, ODSeattle, WA 981221659194215
  3. Barak Gale, O.D.Seattle, WA 981221730304510
  4. Gavin Hollyer, ODSeattle, WA 981221336981679
  5. Alanna Louie, O.D.Seattle, WA 981221144678772
  6. Riley Nakatsu, O.D.Seattle, WA 981221417023268
  7. William Pentecost, O.D.Seattle, WA 981221255592143
  8. Shani Rerecich, O.D.Seattle, WA 981221619225190

Common questions

What is Michael Katsuto Matsunami, O.D.'s NPI number?

Michael Katsuto Matsunami, O.D.'s National Provider Identifier (NPI) is 1699767962, issued on Aug 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Michael Katsuto Matsunami, O.D. located?

The NPPES record lists a practice address at 301A E Pike St, Seattle, WA, 98122. Phone: (206) 464-0472. Providers update this record themselves, so call before visiting.

How can I verify Michael Katsuto Matsunami, O.D.'s license?

NPPES lists Washington license number 1499, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Michael Katsuto Matsunami, O.D. prescribe under Medicare Part D?

In 2024, Michael Katsuto Matsunami, O.D. had 61 Medicare Part D claims for 15 beneficiaries; the average among optometrist prescribers was 277. 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.