Walter Alan Osias, M.D.

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

A124224 Issued in CA

Practice address

11800 Wilshire Blvd
Los Angeles, CA 90025-6602

Phone

(310) 582-7900

NPI assigned

Nov 1, 2011

Sex

Male

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

Diagnostic Radiology

Education

Other, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Cedars-Sinai Medical Care FoundationGroup PAC ID 0941106645, 1,684 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

89.14 of 100Reported as group

Quality

84.79

Promoting interoperability

99

Improvement activities

40

Cost

73.15

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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 and National Provider Directory roles.

• Cedars-Sinai Medical Care Foundation

  • Specialist
  • Los Angeles, CA
  • NPI 1316984388
  Medicare reassignment Care Compare group NPD
• Cedars-Sinai Medical Center

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1639172372
  NPD (past)
• Community Hospital of San Bernardino

  • Pediatric Skilled Nursing Facility
  • San Bernardino, CA
  • NPI 1851395685
  NPD (past)
• Dignity Health

  • General Acute Care Hospital
  • San Bernardino, CA
  • NPI 1689769911
  NPD (past)

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

{
    "created_epoch": "1320105600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783987200000",
    "number": "1841576097",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "399 E 21ST ST",
            "city": "SAN BERNARDINO",
            "state": "CA",
            "postal_code": "924044815",
            "telephone_number": "909-882-2266",
            "fax_number": "909-881-7593"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11800 WILSHIRE BLVD",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900256602",
            "telephone_number": "310-582-7900"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "399 E 21ST ST",
            "address_purpose": "LOCATION",
            "city": "SAN BERNARDINO",
            "state": "CA",
            "postal_code": "924044815",
            "country_code": "US",
            "telephone_number": "909-882-2266",
            "fax_number": "909-881-7593",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OSIAS",
        "first_name": "WALTER",
        "middle_name": "ALAN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-11-01",
        "last_updated": "2026-07-14",
        "certification_date": "2026-07-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "A124224",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nicholas A Osher, RN
• Gerald Tetsuya Oshima, PHARM D
• Alison Oshinomi, D.C.
• Gbolahan Bolaji Oshodi
• Ethan Osias, MD
• Elicia Chizaram Osigwe
• Nwanneka Ikechukwu Osigwe
• Daria Osipchuk, MD
• Raisa J Osipov, M.D.
• Tira Oskoui

• Diagnostic Radiology Physician in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Diagnostic Radiology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 14, 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.