NPPES file of Aug 9, 2026

Helena Lin Tzou, OD

Vision Therapy Optometrist · Oregon City, OR

Helena Lin Tzou, OD is a vision therapy optometrist with a practice address in Oregon City, Oregon, and NPI 1265840847, issued on Jul 28, 2014. Check the license (Oregon 3629AT, 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
1265840847
Name
Helena Lin Tzou
Credential
OD
Primary taxonomy
Vision Therapy Optometrist 152WV0400X
License number
3629AT OR
Self-reported in NPPES; status is on the state search
Practice location
1306 Division St, Oregon City, OR 97045
Phone
(503) 656-4221
Enumerated
Jul 28, 2014
Record last updated
Feb 20, 2021 (not updated in 5 years: call before relying on the address or phone)
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 1306 Division St

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

  1. Alan Bengtzen, MDOphthalmology Physician1144485053
  2. Charles Bock, MDPediatric Ophthalmology and Strabismus Specialist Physician1851373922
  3. Brent Chalmers, MDOphthalmology Physician1093797177
  4. Ian Danford, MDOphthalmology Physician1558893057
  5. William Flanary, M.D.Ophthalmology Physician1922446269
  6. Royce Fonken, MDOphthalmology Physician1134101215

Verify Helena Lin Tzou 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 3629AT
    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

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Industry payments in 2024: $18.76

1 payment: food and beverage; the largest payer was Alcon Vision LLC. The 146 providers of this specialty with any payment received $1,184.25 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Helena Tzou$18.76
  2. Specialty average$1,184.25

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

Vision Therapy Optometrist providers in Oregon

There are 11 vision therapy optometrist records in Oregon.

Other vision therapy optometrist records in Oregon

  1. Craig Bowen, ODTualatin, OR1396814091
  2. Jordan Brown, D.O.Salem, OR1083613848
  3. Rosemary Detmer Stone, O.D.Beaverton, OR1801871223
  4. Graham Erickson, O.D.Portland, OR1316051154
  5. David Hackett, O.D.Eugene, OR1922413723
  6. James KundartForest Grove, OR1710923941
  7. Richard London, O.D., M.A.Portland, OR1629069547
  8. Carol Marusich, O.D.Eugene, OR1679629232
  9. Joshua Reese, ODClackamas, OR1659167203
  10. John Reski, O.D.Clackamas, OR1326200809

Common questions

What is Helena Lin Tzou, OD's NPI number?

Helena Lin Tzou, OD's National Provider Identifier (NPI) is 1265840847, issued on Jul 28, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Helena Lin Tzou, OD located?

The NPPES record lists a practice address at 1306 Division St, Oregon City, OR, 97045. Phone: (503) 656-4221. Providers update this record themselves, so call before visiting.

How can I verify Helena Lin Tzou, OD's license?

NPPES lists Oregon license number 3629AT, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity 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.