Gateway Surgery Center, LLC.

Primary specialty

Ambulatory Surgical Clinic/CenterTaxonomy code 261QA1903X

Legal business name

GATEWAY SURGERY CENTER, LLC.

Practice address

28682 The Old Rd
Valencia, CA 91355-1021

Phone

(661) 295-8700

Fax

(661) 295-8706

NPI assigned

Nov 11, 2014

Organization subpart

No

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

Authorized official

Name

Karen ReiterNPI 1902933070

Title

National VP of ASC Operations.

Phone

(310) 710-4189

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Listed as

Gateway Surgery CenterCCN 05C0002148

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 2

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

• Karen Reiter, RNFA

  • Medical-Surgical Registered Nurse
  • Marina del Rey, CA
  • NPI 1902933070
  NPD Authorized official
• Mehul M Taylor, MD

  • Orthopaedic Surgery Physician
  • Palmdale, CA
  • NPI 1205037561
  NPD (past)

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

{
    "created_epoch": "1415664000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1746403200000",
    "number": "1770989212",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "28682 THE OLD RD",
            "city": "VALENCIA",
            "state": "CA",
            "postal_code": "913551021"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "28682 THE OLD RD",
            "city": "VALENCIA",
            "state": "CA",
            "postal_code": "913551021",
            "telephone_number": "661-295-8700",
            "fax_number": "661-295-8706"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GATEWAY SURGERY CENTER, LLC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2014-11-11",
        "last_updated": "2025-05-05",
        "certification_date": "2025-05-05",
        "status": "A",
        "authorized_official_last_name": "REITER",
        "authorized_official_first_name": "KAREN",
        "authorized_official_title_or_position": "NATIONAL VP OF ASC OPERATIONS.",
        "authorized_official_telephone_number": "310-710-4189"
    },
    "taxonomies": [
        {
            "code": "261QA1903X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Ambulatory Surgical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rebecca Garza
• Victoria Garza
• Amy Gastil
• Gastrointestinal Medical Center
• Gastrointestinal Medical Center ASC
• Timothy Allen Gault Sr., DDS
• Jonathan Gedalia, ATC, NREMT
• Mackenzie Marler Gedalia
• Thomas Michael Geisen, PT
• Ernest John Generoso, OTR/L

• Ambulatory Surgical Clinic/Center in Valencia, CA
• Providers in Valencia, 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 May 5, 2025; 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.