Catherine Chia-Yu Liu, O.D.

Primary specialty

OptometristTaxonomy code 152W00000X

License

002974 Issued in AZ

Practice address

707 N Alvernon Way Ste 301
Tucson, AZ 85711-1848

Phone

(520) 694-1460

NPI assigned

Apr 24, 2015

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1429833600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788739200000",
    "number": "1376930610",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "707 N ALVERNON WAY STE 301",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857111848"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "707 N ALVERNON WAY STE 301",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857111848",
            "telephone_number": "520-694-1460"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1650 Cochrane Cir",
            "address_purpose": "LOCATION",
            "city": "Fort Carson",
            "state": "CO",
            "postal_code": "809134604",
            "country_code": "US",
            "telephone_number": "719-526-7450",
            "fax_number": "877-813-1756",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1585 3rd St",
            "address_purpose": "LOCATION",
            "city": "Fort Johnson",
            "state": "LA",
            "postal_code": "714595102",
            "country_code": "US",
            "telephone_number": "337-531-3277",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LIU",
        "first_name": "CATHERINE",
        "middle_name": "CHIA-YU",
        "credential": "O.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2015-04-24",
        "last_updated": "2026-09-07",
        "certification_date": "2026-09-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "NV",
            "license": "830",
            "primary": false
        },
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "IL",
            "license": "046011060",
            "primary": false
        },
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "AZ",
            "license": "002974",
            "primary": true
        },
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "CO",
            "license": "3390",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cheryl M Littleton, OTR L
• Kelly Lynn Littleton, ACNP
• Beth Ann Littmann, MOTR/L
• Jill Suzanne Littrell, RN
• Thomas Michael Litwicki, M.ED. LISAC
• Che Carrie Liu, MD, MPH
• Jocelyn Siyi Liu, MD
• Joseph Liu, DO
• Julia Liu, D.O.
• Kaitlyn Liu

• Optometrist in Tucson, AZ
• Providers in Tucson, AZ by specialty
• Optometrist in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 7, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.