NPIMap

Organization Active NPI

CS Pacs 3 West LLC

  • Hospitalist Physician
  • Sunnyvale, CA
National Provider Identifier
1073378238
Registry record updated Jun 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
Legal business name
CS PACS 3 WEST LLC
Practice address
1002 W Fremont Ave
Sunnyvale, CA 94087-3031
Phone
(408) 739-2383
NPI assigned
Feb 16, 2024
Last updated
Jun 16, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jun 16, 2025

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

Authorized official

Name
Darren SwensonNPI 1942274170
Title
President
Phone
(865) 693-1000

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
Hospitalist Physician 208M00000X Primary

Addresses

Primary practice location

1002 W Fremont Ave
Sunnyvale, CA 94087-3031

Mailing address

1643 NW 136TH Avenue
Building H, Suite 100
Sunrise, FL 33323
Phone (865) 500-1325

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NM, CA, AZ, NV4 enrollments

Enrollment records 4

Enrollment IDStateProvider typePAC IDDetails
O20240813000386 NM Part B Supplier - Clinic/Group Practice 8921546797 Receives reassigned benefits from 18 practitioners
Practice locations: Las Cruces, NM; Las Vegas, NM; Los Alamos, NM; Rio Rancho, NM; Roswell, NM; Santa Fe, NM; Socorro, NM; Farmington, NM…
O20240920000852 CA Part B Supplier - Clinic/Group Practice 8921546797 Receives reassigned benefits from 9 practitioners
Practice locations: Saratoga, CA; Vallejo, CA; Sunnyvale, CA; San Francisco, CA; Mountain View, CA
O20241016003681 AZ Part B Supplier - Clinic/Group Practice 8921546797 Receives reassigned benefits from 56 practitioners
O20241022005348 NV Part B Supplier - Clinic/Group Practice 8921546797 Receives reassigned benefits from 34 practitioners
Practice locations: Las Vegas, NV; Henderson, NV; North Las Vegas, NV

National Provider Directory

National Provider Directory

Locations

175 N Roadrunner Pkwy
Las Cruces, NM 88011
Phone (575) 386-5800

1011 Sombrillo Ct
Los Alamos, NM 87544
Phone (505) 662-4300

2930 Siena Heights Dr
Henderson, NV 89052
Phone (702) 726-2000

3131 La Canada St
Ste 134
Las Vegas, NV 89169
Phone (702) 731-8266

Practitioners & affiliated clinicians

Practitioners 119

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 119

NPI Registry JSON

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

{
    "created_epoch": "1708041600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1750032000000",
    "number": "1073378238",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1643 NW 136TH AVENUE",
            "address_2": "BUILDING H, SUITE 100",
            "city": "SUNRISE",
            "state": "FL",
            "postal_code": "33323",
            "telephone_number": "865-500-1325"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1002 W FREMONT AVE",
            "city": "SUNNYVALE",
            "state": "CA",
            "postal_code": "940873031",
            "telephone_number": "408-739-2383"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CS PACS 3 WEST LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2024-02-16",
        "last_updated": "2025-06-16",
        "certification_date": "2025-06-16",
        "status": "A",
        "authorized_official_last_name": "SWENSON",
        "authorized_official_first_name": "DARREN",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "865-693-1000"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Sunnyvale, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 16, 2025; 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.