Diana Chau, OD

Primary specialty

OptometristTaxonomy code 152W00000X

License

OD61288124 Issued in WA

Practice address

9800 4TH Ave NE
Seattle, WA 98115-2152

Phone

(206) 302-1200

NPI assigned

Jun 21, 2022

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

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in WA, CA2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Optometry

Education

Southern California College of Optometry, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Permanente Medical Group IncGroup PAC ID 8921910225, 10,928 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: dchau4087271@ghc.direct-ci.net

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.

• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Santa Clara, CA
  • NPI 1073606299
  Medicare reassignment Care Compare group NPD
• Kaiser Foundation Health Plan of Washington

  • Multi-Specialty Clinic/Center
  • Seattle, WA
  • NPI 1396810701
  Medicare reassignment NPD
• Kaiser Foundation Health Plan of Washington

  • Multi-Specialty Clinic/Center
  • Everett, WA
  • NPI 1386935351
  NPD
• Kaiser Foundation Health Plan of Washington

  • Multi-Specialty Clinic/Center
  • Renton, WA
  • NPI 1669619870
  NPD
• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Redwood City, CA
  • NPI 1639252604
  NPD
• Permanente Medical Group, Inc

  • Clinical Medical Laboratory
  • San Jose, CA
  • NPI 1497971584
  NPD
• Kaiser Foundation Health Plan of Washington

  • Multi-Specialty Clinic/Center
  • Seattle, WA
  • NPI 1184915167
  NPD (past)

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

{
    "created_epoch": "1655769600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770681600000",
    "number": "1023749041",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2182 ORCHARD WAY",
            "city": "ROHNERT PARK",
            "state": "CA",
            "postal_code": "949282397",
            "telephone_number": "877-457-4772"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9800 4TH AVE NE",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981152152",
            "telephone_number": "206-302-1200"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9720 4th Ave NE",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981152143",
            "country_code": "US",
            "telephone_number": "206-527-7132",
            "fax_number": "206-302-1283",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHAU",
        "first_name": "DIANA",
        "name_prefix": "Dr.",
        "credential": "OD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-06-21",
        "last_updated": "2026-02-10",
        "certification_date": "2026-02-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "WA",
            "license": "OD61288124",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwa.kp.org:14430/Interconnect-CE-PRD/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "9720 4th Ave NE",
            "city": "Seattle",
            "state": "WA",
            "country_code": "US",
            "postal_code": "981152143",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Kacie Chatwood, PA
• Abigail Chau, LMFT
• Akiko Chau, RN
• Alex Chau, M.D.
• Alice S Chau, MD, MSE
• Loi Chau, PHARM.D
• Lucy Ching Chau, MD
• Nguyen Chau
• Pauline Chau, LMP
• Priscilla C Chau

• Optometrist in Seattle, WA
• Providers in Seattle, WA by specialty
• Optometrist in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 10, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.