Tatiana M Tretiakova, M.D.

Primary specialty

Child & Adolescent Psychiatry PhysicianTaxonomy code 2084P0804X

License

A63465 Issued in CA

Practice address

2801 Bristol St Ste 100
Costa Mesa, CA 92626-5996

Phone

(714) 850-8408

Fax

(714) 850-8587

NPI assigned

Oct 18, 2006

Sex

Female

Sole proprietor

Yes

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Aug 13, 2026.

{
    "created_epoch": "1161129600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786579200000",
    "number": "1962583336",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2801 BRISTOL ST STE 100",
            "city": "COSTA MESA",
            "state": "CA",
            "postal_code": "926265996",
            "telephone_number": "714-850-8408"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2801 BRISTOL ST STE 100",
            "city": "COSTA MESA",
            "state": "CA",
            "postal_code": "926265996",
            "telephone_number": "714-850-8408",
            "fax_number": "714-850-8587"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TRETIAKOVA",
        "first_name": "TATIANA",
        "middle_name": "M",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-10-18",
        "last_updated": "2026-08-13",
        "certification_date": "2026-08-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0804X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
            "state": "CA",
            "license": "A63465",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Vinh Kevin Tran, RN
• Adriel Trejo
• Diego Trejo
• Emma Trejo
• John Trentin
• Michelle Trieu
• Trilogy Eye Medical Group, Inc.
• Edward Trinidad
• Tristan Alva Alliance
• Tristar Medical Group Professional Corp.

• All providers in Costa Mesa, CA
• Child & Adolescent Psychiatry Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.