DR. HELENA LIN TZOU OD
NPI 1265840847
Optometrist - Vision Therapy in Oregon City, OR

Q: What is Helena Tzou's NPI number?

The NPI number for Helena Tzou is 1265840847. It was assigned to this individual provider in the NPPES registry on July 28, 2014.

Q: What is Helena Tzou's specialty?

The primary specialty registered for this NPI is Optometrist, specializing in Vision Therapy, with taxonomy code 152WV0400X.

Q: Is Helena Tzou enrolled in Medicare?

No. Helena Tzou has opted out of Medicare through January 16, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Q: When was this NPI record last updated?

The NPPES record for Helena Tzou was last updated on February 20, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since July 28, 2014Opted out of Medicare · through Jan 16, 2028

1306 DIVISION ST, OREGON CITY, OR 97045(503) 656-4221 Get Directions Write a Review

NPPES record last updated: February 20, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 20, 2021, Nov 15, 2019, Jul 11, 2016 and 2 more (5 updates tracked since 2015).

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About Dr. Helena Lin Tzou Od NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. HELENA LIN TZOU OD (NPI 1265840847) is an individual vision therapy provider in Oregon City, Oregon, licensed in Oregon (3629AT) and active in the NPI registry since July 2014. She has opted out of Medicare through January 16, 2028.

NPPES Registry Identity

NPI1265840847

Entity TypeIndividualFemale

Primary Taxonomy152WV0400X

Provider Legal NameDR. HELENA LIN TZOUCredential: OD

Location Address1306 DIVISION STOregon City, OR 97045-1523

Mailing AddressPo Box 22009Portland, OR 97269-2009 · (503) 558-7372 · Fax (503) 344-5140

Phone(503) 656-4221

Sole ProprietorNo

Enumeration DateJuly 28, 2014

Last NPPES UpdateFebruary 20, 20215 updates tracked since enumeration

NPPES CertifiedFebruary 20, 2021

✔ NPI 1265840847 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometrist · Vision TherapyEye and Vision Services Providers

Taxonomy Code152WV0400X

License✔ Licensed in OR · 3629AT

Definition

Optometrists who specialize in vision therapy as a treatment process used to improve vision function. It includes a broad range of developmental and rehabilitative treatment programs individually prescribed to remediate specific sensory, motor and/or visual perceptual dysfunctions.

1306 DIVISION ST, Oregon City, OR 97045

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Helena Lin Tzou Od has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 16, 2026 through January 16, 2028.

Opt-Out Effective DateJanuary 16, 2026

Opt-Out In Effect ThroughJanuary 16, 2028Opt-out affidavits renew automatically every two years unless cancelled

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. BRENT EARL CHALMERS MD

Ophthalmology