Grace Lozinski MD Inc

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

Legal business name

GRACE LOZINSKI MD INC

Practice address

4950 Barranca Pkwy Ste 207
Irvine, CA 92604-8648

Phone

(949) 262-9700

Fax

(949) 262-0700

NPI assigned

Oct 29, 2025

Organization subpart

No

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

Authorized official

Name

Grace Lozinski, MDNPI 1659399582

Title

Owner

Phone

(949) 262-9700

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Grace Lozinski, M.D.

  • Internal Medicine Physician
  • Irvine, CA
  • NPI 1659399582
  Medicare reassignment NPD Authorized official

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

{
    "created_epoch": "1761696000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1772496000000",
    "number": "1811865892",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2108 N ST STE N",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958165712",
            "telephone_number": "949-262-9700",
            "fax_number": "949-262-0700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4950 BARRANCA PKWY STE 207",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926048648",
            "telephone_number": "949-262-9700",
            "fax_number": "949-262-0700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GRACE LOZINSKI MD INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-10-29",
        "last_updated": "2026-03-03",
        "certification_date": "2026-03-03",
        "status": "A",
        "authorized_official_last_name": "LOZINSKI",
        "authorized_official_first_name": "GRACE",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "949-262-9700",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Gouvion and Grant Dentistry
• Wayne Anthony Gouvion, D.D.S.
• Krisstina Lorraine Gowin, D.O.
• Christina Grabar
• Grace Hunter, D.O., P.C.
• Julie A Grace, RD
• Pamela Grace
• Alison Lynn Gracom, PA
• Angela Graf, R.N.P.
• Sarah Van Den Hoek Graff, M.D.

• Internal Medicine Physician in Irvine, CA
• Providers in Irvine, 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 Mar 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.