Tammy Liu NA, O.D.

Primary specialty

OptometristTaxonomy code 152W00000X

License

34240TLG Issued in CA

Practice address

15333 Culver Dr Ste 690
Irvine, CA 92604-7143

Phone

(949) 552-4271

NPI assigned

Jun 24, 2019

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 CA

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 1

Specialty

Optometry

Education

Southern California College of Optometry, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Southern California Permanente Medical GroupGroup PAC ID 6002729175, 11,250 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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.

• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Baldwin Park, CA
  • NPI 1770515280
  Medicare reassignment Care Compare group NPD
• Orange County Retina Medical Group

  • Ophthalmology Physician
  • Santa Ana, CA
  • NPI 1750398863
  NPD
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Santa Clarita, CA
  • NPI 1316409410
  NPD
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Harbor City, CA
  • NPI 1598797011
  NPD

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

{
    "created_epoch": "1561334400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785110400000",
    "number": "1346801933",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "339 MEMORY LN",
            "city": "SANTA ANA",
            "state": "CA",
            "postal_code": "927056021",
            "telephone_number": "909-634-0867"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15333 CULVER DR STE 690",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926047143",
            "telephone_number": "949-552-4271"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LIU NA",
        "first_name": "TAMMY",
        "name_prefix": "Dr.",
        "credential": "O.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-06-24",
        "last_updated": "2026-07-27",
        "certification_date": "2026-07-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "CA",
            "license": "34240TLG",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "15333 Culver Dr Ste 690",
            "city": "Irvine",
            "state": "CA",
            "country_code": "US",
            "postal_code": "926047143",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Ralph Lissaur, M.D.
• Claire Dellegrotti Liston, APRN ,FNP, AGPCNP-BC
• Nivin Liswi
• Harcrystal Litt
• Joshlynn Little
• Anita Y Liu, MD
• Bo Liu, MD
• Chihkai Liu
• Chris C Liu, DDS
• Dantian Ting Liu, L.AC.

• Optometrist in Irvine, CA
• Providers in Irvine, CA by specialty
• Optometrist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 27, 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.