Julia Kay Oberndorf, MD

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

A199130 Issued in CA

Practice address

27235 Tourney Rd Ste 2500
Santa Clarita, CA 91355-5908

Phone

(661) 253-5851

NPI assigned

Mar 24, 2022

Last updated

Sep 24, 2026By the provider in NPPES

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

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

Internal MedicineAlso: Hospitalist

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Eisenhower Medical CenterGroup PAC ID 5890689657, 462 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Eisenhower Medical Center Hospital, Rancho Mirage, CA, CCN 050573

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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

• Eisenhower Medical Center

  dba Eisenhower Health

  • General Acute Care Hospital
  • Rancho Mirage, CA
  • NPI 1013981554
  Medicare reassignment Care Compare group NPD (past)
• Eisenhower Medical Center

  dba Eisenhower Health

  • General Acute Care Hospital
  • Cathedral City, CA
  • NPI 1629384615
  NPD
• Eisenhower Medical Center

  dba Eisenhower

  • General Acute Care Hospital
  • Palm Springs, CA
  • NPI 1801291539
  NPD

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

• Eisenhower Medical Center

  dba Eisenhower Health

  • General Acute Care Hospital
  • Rancho Mirage, CA
  • NPI 1013981554
  Care Compare affiliation

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

{
    "created_epoch": "1648080000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790208000000",
    "number": "1649920521",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5767 W CENTURY BLVD STE 400",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900455631"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "27235 TOURNEY RD STE 2500",
            "city": "SANTA CLARITA",
            "state": "CA",
            "postal_code": "913555908",
            "telephone_number": "661-253-5851"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "39000 Bob Hope Dr",
            "address_purpose": "LOCATION",
            "city": "Rancho Mirage",
            "state": "CA",
            "postal_code": "922703202",
            "country_code": "US",
            "telephone_number": "760-340-3911",
            "fax_number": "760-837-8956",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "67555 E Palm Canyon Dr Ste C113",
            "address_purpose": "LOCATION",
            "city": "Cathedral City",
            "state": "CA",
            "postal_code": "922345412",
            "country_code": "US",
            "telephone_number": "760-773-4300",
            "fax_number": "760-773-4285",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OBERNDORF",
        "first_name": "JULIA",
        "middle_name": "KAY",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-03-24",
        "last_updated": "2026-09-24",
        "certification_date": "2026-09-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A199130",
            "primary": false
        },
        {
            "code": "207RA0401X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Addiction Medicine",
            "state": "CA",
            "license": "A199130",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CA",
            "license": "A199130",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nyx Sleep Disorders Center LLC
• Samantha O'Mara-Mezzano
• Maria O'Tuel, PSYD
• Oaks of Hope, LLC
• Oasis Home Health Care Agency Inc.
• Vania Patricia Ocampo
• Occupational Health Centers of California, a Medical Corporation (Concentra Medical Center)
• Ocean Life Medical Group Inc
• Renato Ochoa Castillo
• Moncerrat Ochoa

• Hospitalist Physician in Santa Clarita, CA
• Providers in Santa Clarita, CA by specialty
• Hospitalist Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 24, 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.