Steven R. Grossman, MD

Primary specialty

Medical Oncology PhysicianTaxonomy code 207RX0202X

License

G171199 Issued in CA

Practice address

1441 Eastlake Ave
Los Angeles, CA 90089-5051

Phone

(323) 865-0862

NPI assigned

Nov 23, 2005

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

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

• FHIR API: https://api.platform.athenahealth.com/10944/brand/3/csg/1/fhir/r4
• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
• Direct secure messaging: steven.grossman@direct.usc.edu

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.

• Hoag Clinic

  • Primary Care Clinic/Center
  • Newport Beach, CA
  • NPI 1942799523
  Medicare reassignment NPD
• Hoag Hospital

  • General Acute Care Hospital
  • Newport Beach, CA
  • NPI 1689864365
  NPD (past)

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

{
    "created_epoch": "1132704000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1628899200000",
    "number": "1790768638",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 31309",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900310309",
            "telephone_number": "323-865-0862"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1441 EASTLAKE AVE",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900895051",
            "telephone_number": "323-865-0862"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GROSSMAN",
        "first_name": "STEVEN",
        "middle_name": "R.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-23",
        "last_updated": "2021-08-14",
        "certification_date": "2021-08-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "VA",
            "license": "0101250426",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "CA",
            "license": "G171199",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "steven.grossman@direct.usc.edu",
            "affiliation": "Y",
            "affiliationName": "USC CARE MEDICAL GROUP, INC",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "1441 Eastlake Ave",
            "city": "Los Angeles",
            "state": "CA",
            "country_code": "US",
            "postal_code": "900895051",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Lynn Grossman, MFT
• Mark Steven Grossman, MD
• Moshe Grossman
• Ross Kenneth Grossman, L.M.F.T.
• Sondra Lindsay Grossman
• Abraham Hershel Grosswasser, D.C.
• Margaret C Grosvenor, MPH, RD, CHES
• Karolina Grotkowski Reed, PHD
• Laurie Grotstein, LMFT
• Mark Groubert

• Medical Oncology Physician in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Medical Oncology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 14, 2021; 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.