NPPES file of Aug 9, 2026

Lena Hanae Walker, O.D.

Optometrist · St Helens, OR

Lena Hanae Walker, O.D. is an optometrist with a practice address in St Helens, Oregon, and NPI 1831127398, issued on Jun 30, 2006. Check the license (Oregon 2794AT, 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
1831127398
Name
Lena Hanae Walker
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License numbers
2794AT OR
2794ATI OR
Self-reported in NPPES; status is on the state search
Practice location
1864 Columbia Blvd, St Helens, OR 97051
Phone
(503) 397-2020
Enumerated
Jun 30, 2006
Record last updated
Mar 19, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(503) 397-7701
Medicaid ID
226566 OR
Medicare enrollment
Enrolled (PECOS I20100730000640); accepts Medicare assignment
Medical or professional school
Pacific University - College Of Optometry, 2000
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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Verify Lena Hanae Walker 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 2794AT
    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
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53% fewer Medicare Part D claims than the average optometrist in 2024

131 Medicare Part D claims for 41 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.

  1. Lena Walker131
  2. Specialty average277

Most prescribed

  1. Latanoprost57 claims
  2. Dorzolamide-Timolol16 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: $287.47

4 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision Inc. 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. Lena Walker$287.47
  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. Family Vision OF Oregon PCSaint Helens, OR

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

Lena Hanae Walker among 944 optometrist records in Oregon

Lena Hanae Walker, O.D. 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 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 60% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2000 · median 2010 among the 552 with a school on file
  • Record last updated2019 · 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).

2 optometrist records list a practice address in St Helens

They are 2 of the 14 NPPES records with a practice address in St Helens, and 944 optometrist records in Oregon.

The 8 optometrist records with the nearest ZIP codes

  1. Sarah Chewerda, O.D.Saint Helens, OR 970511306037098
  2. Thomas Chewerda, O.D.Saint Helens, OR 970511164652590
  3. George Curnutt, O.D.St Helens, OR 970511104895804
  4. Jahaira Lassala, ODSaint Helens, OR 970511295472033
  5. Daniel Mannen, O.D.Saint Helens, OR 970511609831973
  6. Laurel Mannen, O.D.Saint Helens, OR 970511467553693
  7. Brooks Rodman, O.D.Saint Helens, OR 970511801116199
  8. Tina Jeo, O.D.Sandy, OR 970551184841553

Common questions

What is Lena Hanae Walker, O.D.'s NPI number?

Lena Hanae Walker, O.D.'s National Provider Identifier (NPI) is 1831127398, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lena Hanae Walker, O.D. located?

The NPPES record lists a practice address at 1864 Columbia Blvd, St Helens, OR, 97051. Phone: (503) 397-2020. Providers update this record themselves, so call before visiting.

How can I verify Lena Hanae Walker, O.D.'s license?

NPPES lists Oregon license number 2794AT, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Lena Hanae Walker, O.D. prescribe under Medicare Part D?

In 2024, Lena Hanae Walker, O.D. had 131 Medicare Part D claims for 41 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.