NPPES file of Aug 9, 2026

Michael A. Hsu, O.D.

Optometrist · Seattle, WA

Michael A. Hsu, O.D. is an optometrist with a practice address in Seattle, Washington, and NPI 1790785251, issued on Jul 27, 2005. Check the license (Washington OD00001292, 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
1790785251
Name
Michael A. Hsu
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
OD00001292 WA
Self-reported in NPPES; status is on the state search
Practice location
6850 35TH Ave NE, Seattle, WA 98115
Phone
(206) 527-1900
Enumerated
Jul 27, 2005
Record last updated
Mar 13, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(206) 374-2550
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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8 nearest optometrist records → All 1,641 in Washington → Look up another NPI →

Also registered at 6850 35TH Ave NE

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

  1. Anifat Balogun, MDOtolaryngology Physician1427046473
  2. Alison Day, LMPMassage Therapist1093859597
  3. Marissa Kingsbury, L.MPMassage Therapist1023201167
  4. James Nash, D.D.S.General Practice Dentistry1871534701
  5. Jaala Shahid, L.M.PMassage Therapist1700111374

Verify Michael A. Hsu 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 OD00001292    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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21% fewer Medicare Part D claims than the average optometrist in 2024

219 Medicare Part D claims for 61 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.

  1. Michael Hsu219
  2. Specialty average277

Most prescribed

  1. Latanoprost114 claims
  2. Timolol Maleate34 claims
  3. Dorzolamide-Timolol17 claims
  4. Lumigan16 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.

Michael A. Hsu among 1,641 optometrist records in Washington

Michael A. Hsu, 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 updated2018 · 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.

All 1,641 in Washington → Every provider in Seattle → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. Lisbeth Faulstich, O.D.Seattle, WA 981151639236896
  2. Stuart Frank, O.D.Seattle, WA 981151831242601
  3. Stephen Goo, O.D.Seattle, WA 981151619171527
  4. Susan Hankin, O.D.Seattle, WA 981151659409480
  5. Rachael Henrie, O.D.Seattle, WA 981151982794657
  6. Scott Jamieson, O.D.Seattle, WA 981151780659102
  7. Lynna Kim, O.D.Seattle, WA 981151477751386
  8. Lance Matsuda, O.D.Seattle, WA 981151033262647

Common questions

What is Michael A. Hsu, O.D.'s NPI number?

Michael A. Hsu, O.D.'s National Provider Identifier (NPI) is 1790785251, issued on Jul 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Michael A. Hsu, O.D. located?

The NPPES record lists a practice address at 6850 35TH Ave NE, Seattle, WA, 98115. Phone: (206) 527-1900. Providers update this record themselves, so call before visiting.

How can I verify Michael A. Hsu, O.D.'s license?

NPPES lists Washington license number OD00001292, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Michael A. Hsu, O.D. prescribe under Medicare Part D?

In 2024, Michael A. Hsu, O.D. had 219 Medicare Part D claims for 61 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.

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.