NPPES file of Aug 9, 2026

Gwen Bui

Optometrist · Forest Grove, OR

Gwen Bui is an optometrist with a practice address in Forest Grove, Oregon, and NPI 1902269525, issued on Mar 31, 2016. Check the license (Oregon ATI4304, as entered in NPPES) with the Oregon 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
1902269525
Name
Gwen Bui
Primary taxonomy
Optometrist 152W00000X
License number
ATI4304 OR
Self-reported in NPPES; status is on the state search
Practice location
2043 College Way, Forest Grove, OR 97116
Phone
(619) 549-1293
Enumerated
Mar 31, 2016
Record last updated
Sep 21, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20211004000962); accepts Medicare assignment
Medical or professional school
Pacific University - College Of Optometry, 2017
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 2043 College Way

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

  1. David Anderson, STUDENTStudent in an Organized Health Care Education/Training Program1508220955
  2. Katie AndersonAthletic Trainer1912422262
  3. Miho AraiAthletic Trainer1154860856
  4. Ryan Archibald, STUDENT/INTERNStudent in an Organized Health Care Education/Training Program1063718385
  5. Jonathan AugustStudent in an Organized Health Care Education/Training Program1497685283
  6. Mary Joyce AvisadoOptometrist1699532069

Verify Gwen Bui in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license ATI4304
    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 Oregon 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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95% fewer Medicare Part D claims than the average optometrist in 2024

14 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.

  1. Gwen Bui14
  2. Specialty average277

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: $259.27

4 payments; by number, the most common kind was 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. Gwen Bui$259.27
  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.

Bills Medicare through one group practice

  1. River City Eyecare LLCClackamas, OR

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

Gwen Bui among 944 optometrist records in Oregon

Gwen Bui is one of 944 optometrist records with a practice address in Oregon. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 73% of them.

  • NPI issued2016 · 73% of these records are older, 24% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2017 · median 2010 among the 552 with a school on file
  • Record last updated2021 · 65% 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 Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

60 optometrist records list a practice address in Forest Grove

They are 60 of the 418 NPPES records with a practice address in Forest Grove, and 944 optometrist records in Oregon.

The 8 optometrist records with the nearest ZIP codes

  1. Karl Citek, OD, PHDForest Grove, OR 971161750322111
  2. Kenneth Eakland, O.D.Forest Grove, OR 971161962492595
  3. Sarah Fox-Hocking, O.D.Forest Grove, OR 971161629028816
  4. Denise Goodwin, ODForest Grove, OR 971161730162694
  5. Hannu Laukkanen, O.D.Forest Grove, OR 971161811935331
  6. Susan Littlefield, O.D.Forest Grove, OR 971161871577528
  7. Shannon Lutz, O.D.Forest Grove, OR 971161063450443
  8. John Randall, OD, MPHForest Grove, OR 971161982695524

Common questions

What is Gwen Bui's NPI number?

Gwen Bui's National Provider Identifier (NPI) is 1902269525, issued on Mar 31, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Gwen Bui located?

The NPPES record lists a practice address at 2043 College Way, Forest Grove, OR, 97116. Phone: (619) 549-1293. Providers update this record themselves, so call before visiting.

How can I verify Gwen Bui's license?

NPPES lists Oregon license number ATI4304, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Gwen Bui prescribe under Medicare Part D?

In 2024, Gwen Bui had 14 Medicare Part D claims; 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.