Organization Active NPI

Basem a Attum MD a Professional Corporation

  • Orthopaedic Surgery Physician
  • Garden Grove, CA
National Provider Identifier
1063380228
Registry record updated Jan 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
Legal business name
BASEM A ATTUM MD A PROFESSIONAL CORPORATION
Practice address
10212 Westminster Ave Ste 107
Garden Grove, CA 92843-4800
Phone
(949) 998-9044
Fax
(949) 873-4363
NPI assigned
Oct 28, 2025
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jan 9, 2026

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

Authorized official

Name
Basem Attum, MDNPI 1184071870
Title
President
Phone
(502) 468-7512

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207X00000X Primary

Addresses

Primary practice location

10212 Westminster Ave Ste 107
Garden Grove, CA 92843-4800

Mailing address

10212 Westminster Ave Ste 107
Garden Grove, CA 92843-4800
Phone (949) 998-9044

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20260303002589 CA Part B Supplier - Clinic/Group Practice 7719469436 Receives reassigned benefits from 1 practitioner
Practice locations: Garden Grove, CA

National Provider Directory

National Provider Directory

Locations

10212 Westminster Ave
Ste 107
Garden Grove, CA 92843
Phone (714) 530-3939

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1761609600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1767916800000",
    "number": "1063380228",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10212 WESTMINSTER AVE STE 107",
            "city": "GARDEN GROVE",
            "state": "CA",
            "postal_code": "928434800",
            "telephone_number": "949-998-9044",
            "fax_number": "949-873-4363"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10212 WESTMINSTER AVE STE 107",
            "city": "GARDEN GROVE",
            "state": "CA",
            "postal_code": "928434800",
            "telephone_number": "949-998-9044",
            "fax_number": "949-873-4363"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "BASEM A ATTUM MD A PROFESSIONAL CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-10-28",
        "last_updated": "2026-01-09",
        "certification_date": "2026-01-09",
        "status": "A",
        "authorized_official_last_name": "ATTUM",
        "authorized_official_first_name": "BASEM",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "502-468-7512",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Orthopaedic Surgery",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Garden Grove, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 9, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.