Helena Lin Tzou, OD

Primary specialty

Vision Therapy OptometristTaxonomy code 152WV0400X

License

3629AT Issued in OR

Practice address

1306 Division St
Oregon City, OR 97045-1523

Phone

(503) 656-4221

NPI assigned

Jul 28, 2014

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Opted out of Medicare

Yes, effective Jan 16, 2026 through Jan 16, 2028

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Kaiser Foundation Health Plan of the Northwest

  • General Practice Physician
  • Portland, OR
  • NPI 1184786527
  NPD
• Alderwood Vision Therapy and Development PLLC

  • Vision Therapy Optometrist
  • Lynnwood, WA
  • NPI 1487462180
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1406505600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1613779200000",
    "number": "1265840847",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 22009",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972692009",
            "telephone_number": "503-558-7372",
            "fax_number": "503-344-5140"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1306 DIVISION ST",
            "city": "OREGON CITY",
            "state": "OR",
            "postal_code": "970451523",
            "telephone_number": "503-656-4221"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TZOU",
        "first_name": "HELENA",
        "middle_name": "LIN",
        "name_prefix": "Dr.",
        "credential": "OD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-07-28",
        "last_updated": "2021-02-20",
        "certification_date": "2021-02-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152WV0400X",
            "taxonomy_group": "",
            "desc": "Optometrist, Vision Therapy",
            "state": "OR",
            "license": "3629AT",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cory Dean Tucker, CRM-PSS
• Stephanie Dawn Tucker, MA, MBA
• Jessica Ann Turner
• Joyce G Turrentine
• Eric Landen Tutt, DMD
• Uptown Providers PC
• Cindy Valenzuela
• Van a. Han DMD LLC
• Isabelle Van Der Smissen
• Brandi L Vasquez, MD, PHD

• Vision Therapy Optometrist in Oregon City, OR
• Providers in Oregon City, OR by specialty
• Vision Therapy Optometrist in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 20, 2021; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.