NPPES file of Aug 9, 2026

Brian Waihun Chou, MD

Ophthalmology Physician · Seattle, WA

Brian Waihun Chou, MD is an ophthalmology physician with a practice address in Seattle, Washington, and NPI 1467844233, issued on Mar 3, 2015. Check the license (Washington MD61393766, as entered in NPPES) on the Washington Medical Commission; 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
1467844233
Name
Brian Waihun Chou
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
MD61393766 WA
Self-reported in NPPES; status is on the state search
Practice location
325 9TH Ave, Seattle, WA 98104
Phone
(206) 205-0005
Enumerated
Mar 3, 2015
Record last updated
Sep 29, 2023
Medicare enrollment
Enrolled (PECOS I20230905002902); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 325 9TH Ave

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

  1. Noor Aaf, PA-CMedical Physician Assistant1558394171
  2. Sheida Aalami, M.D.Internal Medicine Physician1730573296
  3. Collette AbbottHospitalist Physician1306208293
  4. Akrm Abdalrahman, MD, MSCritical Care Medicine (Anesthesiology) Physician1801374905
  5. Martin Abdo, COUNSELORCounselor1821202904
  6. Nauzley Abedini, M.D.Hospice and Palliative Medicine (Internal Medicine) Physician1043637408

Verify Brian Waihun Chou in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD61393766
    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 Washington 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

94% fewer Medicare Part D claims than the average ophthalmology physician in 2024

89 Medicare Part D claims for 36 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.

  1. Brian Chou89
  2. Specialty average1,518

Most prescribed

  1. Restasis21 claims
  2. Pyridostigmine Bromide12 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): 74.6 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 score85.0
  2. Costout of 100 · 30%30.2
  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).

Bills Medicare through one group practice

  1. The Association OF University PhysiciansSeattle, WA

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

Brian Waihun Chou among 522 ophthalmology physician records in Washington

Brian Waihun Chou, MD is one of 522 ophthalmology physician records with a practice address in Washington. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 85% of them.

  • NPI issued2015 · 85% of these records are older, 12% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2018 · median 2003 among the 347 with a school on file
  • Record last updated2023 · 60% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Washington

There are 522 ophthalmology physician records in Washington.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Deepa Abraham, MDSeattle, WA 981041447250568
  2. Scot Brower, M.D.Seattle, WA 981041124006648
  3. Elizabeth Choy, M.D.Seattle, WA 981041114993524
  4. Sheldon Cowen, M.D.Seattle, WA 981041417915745
  5. R. Evans, M.D.Seattle, WA 981041114905635
  6. Thomas Gillette, M.D.Seattle, WA 981041952387086
  7. William Johnston, M.D.Seattle, WA 981041376546713
  8. D. Kelly, M.D.Seattle, WA 981041578541090

Common questions

What is Brian Waihun Chou, MD's NPI number?

Brian Waihun Chou, MD's National Provider Identifier (NPI) is 1467844233, issued on Mar 3, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Brian Waihun Chou, MD located?

The NPPES record lists a practice address at 325 9TH Ave, Seattle, WA, 98104. Phone: (206) 205-0005. Providers update this record themselves, so call before visiting.

How can I verify Brian Waihun Chou, MD's license?

NPPES lists Washington license number MD61393766, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Brian Waihun Chou, MD prescribe under Medicare Part D?

In 2024, Brian Waihun Chou, MD had 89 Medicare Part D claims for 36 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Brian Waihun Chou, MD's MIPS final score?

The 2023 MIPS final score is 74.6 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.