Alliance Surgery Partners, LLC

Primary specialty

Ambulatory Surgical Clinic/CenterTaxonomy code 261QA1903X

Legal business name

ALLIANCE SURGERY PARTNERS, LLC

Practice address

1828 E Cesar Chavez Ave
Los Angeles, CA 90033-2424

Phone

(323) 263-6774

NPI assigned

Nov 2, 2016

Organization subpart

No

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

Authorized official

Name

Dr. Raid P Doss, M.D.

Title

Chairman, Governing Body

Phone

(323) 263-6774

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Listed as

Alliance Surgery Partners LLCCCN 05C0002240

Medicare certification status

ActiveFrom the Provider of Services file

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Practitioners 1

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

• R Philip Doss, M.D., FACS

  • Specialist
  • Los Angeles, CA
  • NPI 1285782847
  NPD

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

{
    "created_epoch": "1478044800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1776729600000",
    "number": "1972055382",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1828 E CESAR CHAVEZ AVE",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900332424",
            "telephone_number": "323-263-6774"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1828 E CESAR CHAVEZ AVE",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900332424",
            "telephone_number": "323-263-6774"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ALLIANCE SURGERY PARTNERS, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2016-11-02",
        "last_updated": "2026-04-21",
        "certification_date": "2026-04-21",
        "status": "A",
        "authorized_official_last_name": "DOSS",
        "authorized_official_first_name": "RAID",
        "authorized_official_middle_name": "P",
        "authorized_official_title_or_position": "CHAIRMAN, GOVERNING BODY",
        "authorized_official_telephone_number": "323-263-6774",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "261QA1903X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Ambulatory Surgical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Ambulatory Surgical Clinic/Center in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Ambulatory Surgical Clinic/Center in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.