Gabrielle Neumann Horner, MD

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

A202152 Issued in CA

Practice address

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

Phone

(858) 554-7909

NPI assigned

May 5, 2021

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

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.

Enrollment records 1

Specialty

HospitalistAlso: Internal Medicine

Education

Tufts University School of Medicine, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Scripps HealthGroup PAC ID 9234033853, shared by 11 NPIs, 1,450 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Santa Monica - UCLA Med Ctr & Orthopaedic Hospital Hospital, Santa Monica, CA, CCN 050112
• Ronald Reagan UCLA Medical Center Hospital, Los Angeles, CA, CCN 050262
• Scripps Green Hospital Hospital, La Jolla, CA, CCN 050424

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ghorner1433081@direct.uclahealth.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• The Regents of the University of California

  dba UCLA Dept of Medicine

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1235107566
  Medicare reassignment NPD
• The Regents of the University of California

  dba UCLA Dept of Medicine

  • Ambulatory Surgical Clinic/Center
  • Valencia, CA
  • NPI 1689200305
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Regents of the Univ of California

  dba Santa MonicaUCLAMC and Orthopedic Hospital

  • General Acute Care Hospital
  • Santa Monica, CA
  • NPI 1427055839
  Care Compare affiliation
• Regents Univ of Calif Los Angeles

  dba Ronald Reagan UCLA Medical Center

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1902803315
  Care Compare affiliation
• Scripps Health

  dba Scripps Green Hospital

  • General Acute Care Hospital
  • La Jolla, CA
  • NPI 1841233780
  Care Compare affiliation

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

{
    "created_epoch": "1620172800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781654400000",
    "number": "1396328423",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10790 RANCHO BERNARDO RD",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921275705",
            "telephone_number": "858-554-7909"
        },
        {
            "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": "858-554-7909"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "757 Westwood Plz Ste 7501",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900955097",
            "country_code": "US",
            "telephone_number": "310-267-9643",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HORNER",
        "first_name": "GABRIELLE",
        "middle_name": "NEUMANN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-05-05",
        "last_updated": "2026-06-17",
        "certification_date": "2026-06-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A202152",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CA",
            "license": "A202152",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Caitlin Hopkins, PA-C
• Deborah K Hopper, PH.D.
• Caleigh Horan, DO
• Timothy Horan, MEDICAL STUDENT
• David S. Horie, O.D.
• Maira Horta Moss, MFT
• Arthur Thomas Horvath, PHD
• Mariah Brooke Horvath, MMS
• John Edward Hoss, DDS
• Hossein Masoomi, MD, a Medical Corporation

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 17, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.