Lay Le Tonthat Professional Corporation

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

Legal business name

LAY LE TONTHAT PROFESSIONAL CORPORATION

Practice address

3115 Oro Dam Blvd E Ste 1
Oroville, CA 95966-5275

Phone

(562) 262-1769

NPI assigned

Aug 10, 2026

Organization subpart

No

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

Authorized official

Name

Dr. Christopher Cao Tonthat, DO

Title

President

Phone

(562) 262-1769

Specialties & licenses 3

Addresses

Locations

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

{
    "created_epoch": "1786320000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1786320000000",
    "number": "1295650315",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3115 ORO DAM BLVD E STE 1",
            "city": "OROVILLE",
            "state": "CA",
            "postal_code": "959665275",
            "telephone_number": "562-262-1769"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3115 ORO DAM BLVD E STE 1",
            "city": "OROVILLE",
            "state": "CA",
            "postal_code": "959665275",
            "telephone_number": "562-262-1769"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "LAY LE TONTHAT PROFESSIONAL CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-08-10",
        "last_updated": "2026-08-10",
        "certification_date": "2026-08-10",
        "status": "A",
        "authorized_official_last_name": "TONTHAT",
        "authorized_official_first_name": "CHRISTOPHER",
        "authorized_official_middle_name": "CAO",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "562-262-1769",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "DO"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Family Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Roxanne Lara
• Coreen Lavonne Larsen-Griffen
• Katelin Jane Larue
• Angelene Lawrence, MD
• Steven Lawson, D.D.S.
• Linda Lay, D.O.
• Barbara Diane Laymance, RAS, NCAC
• Aletta Helena Le Roux, OTL
• Hope N Lee
• Logan Kongpeng Lee

• Internal Medicine Physician in Oroville, CA
• Providers in Oroville, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 10, 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.