Steven J O'Day, M.D.

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

A53519 Issued in CA

Practice address

2121 Santa Monica Blvd
Santa Monica, CA 90404-2303

Phone

(310) 829-8317

Fax

(310) 315-6143

NPI assigned

Aug 17, 2006

Last updated

Mar 7, 2023By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 3

Electronic endpoints 1

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: soday473000@oc.providencedirect.org

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.

• Providence Saint Johns Medical Foundation

  dba Saint John's Physician Partners

  • Specialist
  • Santa Monica, CA
  • NPI 1770093734
  Medicare reassignment NPD
• Providence St Johns Health Center

  • Long Term Care Hospital
  • Santa Monica, CA
  • NPI 1679958037
  Authorized official Same address or phone

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

{
    "created_epoch": "1155772800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1678147200000",
    "number": "1518070812",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5315 TORRANCE BLVD",
            "address_2": "SUITE A",
            "city": "TORRANCE",
            "state": "CA",
            "postal_code": "905034011",
            "telephone_number": "310-829-8371",
            "fax_number": "310-315-6143"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2121 SANTA MONICA BLVD",
            "city": "SANTA MONICA",
            "state": "CA",
            "postal_code": "904042303",
            "telephone_number": "310-829-8317",
            "fax_number": "310-315-6143"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'DAY",
        "first_name": "STEVEN",
        "middle_name": "J",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-17",
        "last_updated": "2023-03-07",
        "certification_date": "2021-04-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "CA",
            "license": "A53519",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAL LICENSE",
            "identifier": "A53519",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE PTAN - FACILITY",
            "identifier": "W15185",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE PTAN - FACILITY",
            "identifier": "W15185A",
            "state": "CA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "soday473000@oc.providencedirect.org",
            "affiliation": "N",
            "address_1": "2200 Santa Monica Blvd",
            "city": "Santa Monica",
            "state": "CA",
            "country_code": "US",
            "postal_code": "904042312",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Lois M. O'Brien, M.D.
• Patrick O'Brien
• Lauren Joy O'Connell, LMFT
• Edward J O'Connor, M.D.
• Victoria O'Connor, M.D.
• Linda K O'Dell, PH.D.
• Katy Aileen O'Donnell, MFTI
• Kevin Colin O'Fee, MD
• Laura O'Loughlin, PSYD
• Celeste Nicole O'Neill

• Hematology & Oncology Physician in Santa Monica, CA
• Providers in Santa Monica, CA by specialty
• Hematology & Oncology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 7, 2023; 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.