Organization Active NPI

Los Altos Surgery Center LLC

  • Ambulatory Surgical Clinic/Center
  • Los Altos, CA
National Provider Identifier
1427166990
Registry record updated Jun 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ambulatory Surgical Clinic/CenterTaxonomy code 261QA1903X
Legal business name
LOS ALTOS SURGERY CENTER LLC
Practice address
795 Altos Oaks Dr
Los Altos, CA 94024-5428
Phone
(650) 209-5894
Fax
(650) 209-1110
NPI assigned
Aug 26, 2006
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jun 24, 2025

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

Authorized official

Name
Ms. Barbara Lee Roth, REGISTERED NURSE
Title
Vice President
Phone
(408) 761-5847

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Clinic/Center 261Q00000X
Ambulatory Surgical Clinic/Center 261QA1903X 220000309 CA
Ambulatory Surgical Clinic/Center 261QA1903X Primary

Addresses

Primary practice location

795 Altos Oaks Dr
Los Altos, CA 94024-5428

Mailing address

1871 Martin Ave
Santa Clara, CA 95050-2501
Phone (650) 941-8888

Other practice location 1

1154 N Euclid St
Anaheim, CA 92801-1955
Phone (408) 761-5847

Other practice location 2

14642 Newport Ave Ste 100
Tustin, CA 92780-6058
Phone (657) 505-1515

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address barb@baasc.com Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA3 enrollments

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
O20040827000584 CA Part B Supplier - Ambulatory Surgical Center 7911972526 Practice locations: Los Altos, CA
O20230503000363 CA Part B Supplier - Ambulatory Surgical Center 7911972526 Practice locations: Anaheim, CA
O20240111000332 CA Part B Supplier - Ambulatory Surgical Center 7911972526 Practice locations: Tustin, CA

Ambulatory surgical center certification: CCN 55C0001162

Name & address match This certification has no NPI in the Medicare enrollment files. CMS publishes enrollment files for six facility types only, so it was connected to this NPI by matching the name and address CMS publishes for it.

Legal name
Los Altos Surgery Center
Certification status
Active
Provider type (POS)
Ambulatory surgical center
Participating since
Apr 2, 2024
Last certification
Feb 21, 2024
Ownership / control type
Proprietary
Facility address
1154 N Euclid St
Anaheim, CA 92801

Ambulatory surgical center certification: CCN 55C0001174

Name & address match This certification has no NPI in the Medicare enrollment files. CMS publishes enrollment files for six facility types only, so it was connected to this NPI by matching the name and address CMS publishes for it.

Legal name
Los Altos Surgery Center, LLC
Certification status
Active
Provider type (POS)
Ambulatory surgical center
Participating since
Dec 1, 2024
Last certification
Nov 13, 2024
Facility address
14642 Newport Ave, Suite 100
Tustin, CA 92780

Care Compare: Ambulatory surgical center

Medicare Care Compare
Listed as
Los Altos Surgery CenterCCN 05C0001597
Medicare certification status
ActiveFrom the Provider of Services file

Laboratory certificates & supplier records

Derived by NPIMap

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

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
05D2032154Los Altos Surgery Center795 Altos Oaks Dr, Los Altos, CA 94024Certificate of waiverNov 3, 2027
05D2296146Los Altos Surgery Center LLC1154 North Euclid Street, Anaheim, CA 92801Certificate of waiverDec 20, 2027

National Provider Directory

National Provider Directory

Locations

795 Altos Oaks Dr
Los Altos, CA 94024
Phone (650) 209-1100

NPI Registry JSON

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

{
    "created_epoch": "1156550400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1750723200000",
    "number": "1427166990",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1871 MARTIN AVE",
            "city": "SANTA CLARA",
            "state": "CA",
            "postal_code": "950502501",
            "telephone_number": "650-941-8888",
            "fax_number": "650-209-1110"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "795 ALTOS OAKS DR",
            "city": "LOS ALTOS",
            "state": "CA",
            "postal_code": "940245428",
            "telephone_number": "650-209-5894",
            "fax_number": "650-209-1110"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1154 N Euclid St",
            "address_purpose": "LOCATION",
            "city": "Anaheim",
            "state": "CA",
            "postal_code": "928011955",
            "country_code": "US",
            "telephone_number": "408-761-5847",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "14642 Newport Ave Ste 100",
            "address_purpose": "LOCATION",
            "city": "Tustin",
            "state": "CA",
            "postal_code": "927806058",
            "country_code": "US",
            "telephone_number": "657-505-1515",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "LOS ALTOS SURGERY CENTER LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-08-26",
        "last_updated": "2025-06-24",
        "certification_date": "2025-06-24",
        "status": "A",
        "authorized_official_last_name": "ROTH",
        "authorized_official_first_name": "BARBARA",
        "authorized_official_middle_name": "LEE",
        "authorized_official_title_or_position": "VICE PRESIDENT",
        "authorized_official_telephone_number": "408-761-5847",
        "authorized_official_name_prefix": "Ms.",
        "authorized_official_credential": "REGISTERED NURSE"
    },
    "taxonomies": [
        {
            "code": "261Q00000X",
            "taxonomy_group": "",
            "desc": "Clinic/Center",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "261QA1903X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Ambulatory Surgical",
            "state": "CA",
            "license": "220000309",
            "primary": false
        },
        {
            "code": "261QA1903X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Ambulatory Surgical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "barb@baasc.com",
            "affiliation": "N",
            "endpointDescription": "barb@baasc.com",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "1154 N Euclid St",
            "city": "Anaheim",
            "state": "CA",
            "country_code": "US",
            "postal_code": "928011955",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Los Altos, CA

Sources for this page

Verify at the official NPI Registry.