Cattien Ngoc Phan, DO

Primary specialty

Neurology PhysicianTaxonomy code 2084N0400X

License

20A20780 Issued in CA

Practice address

6670 Alton Pkwy
Irvine, CA 92618-3734

Phone

(833) 574-2273

NPI assigned

Apr 2, 2021

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

Other names 1

• Cat Tien Ngoc Phan Former name

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: Yes
• Hospice: Yes

Green means eligible to order or refer.

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Osteopathy

Interoperability endpoints

• Direct secure messaging: cphan373093@direct.llu.edu

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

{
    "created_epoch": "1617321600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785888000000",
    "number": "1992383525",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6670 ALTON PKWY",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926183734",
            "telephone_number": "833-574-2273"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6670 ALTON PKWY",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926183734",
            "telephone_number": "833-574-2273"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PHAN",
        "first_name": "CATTIEN",
        "middle_name": "NGOC",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-04-02",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "CA",
            "license": "20A20780",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CAT TIEN",
            "last_name": "PHAN",
            "middle_name": "NGOC",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Trong Pham
• Tu Pham
• Tuyen Thien Pham, PHARMD
• Anne Phan-Huy, MD
• Andrew Phan, MSPAS
• Kim Phan, PA-C
• Kimberly Sue Phan, D.O
• Maggie Ngan Phan, PHARM D.
• Michael Phan, PHARM.D.
• Nathan Phan

• Neurology Physician in Irvine, CA
• Providers in Irvine, CA by specialty
• Neurology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 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.