Olivia C Lanser, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

A185945 Issued in CA

Practice address

10666 N Torrey Pines Rd
La Jolla, CA 92037-1027

Phone

(858) 554-3200

NPI assigned

Apr 28, 2020

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

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: Yes
• Hospice: Yes

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1588032000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788220800000",
    "number": "1902427214",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "180 HARVESTER DR STE 110",
            "city": "BURR RIDGE",
            "state": "IL",
            "postal_code": "605276686",
            "telephone_number": "773-702-1150"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10666 N TORREY PINES RD",
            "city": "LA JOLLA",
            "state": "CA",
            "postal_code": "920371027",
            "telephone_number": "858-554-3200"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4445 W Irving Park Rd Ste 200",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606412808",
            "country_code": "US",
            "telephone_number": "312-695-5620",
            "fax_number": "312-921-0403",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5841 S Maryland Ave Ste Mc7082",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606371465",
            "country_code": "US",
            "telephone_number": "773-702-6840",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LANSER",
        "first_name": "OLIVIA",
        "middle_name": "C",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-04-28",
        "last_updated": "2026-09-01",
        "certification_date": "2026-09-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "IL",
            "license": "036181598",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "A185945",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Carly Lambusta, SLP
• William Land, M.D.
• Jill Lane, MD
• Michelle Langston, FNP-BC
• Makenzie Jean Lannon, FNP-BC
• Amy Elizabeth Lansing, PH.D.
• Deborah Ruth Lapidus, PHD
• Karen Ann Lappas, NP
• Karissa Lapuz
• Lara Chiropractic Corporation

• Gastroenterology Physician in La Jolla, CA
• Providers in La Jolla, CA by specialty
• Gastroenterology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 1, 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.