Individual provider Active NPI

Tyler William Holst

  • Registered Nurse First Assistant
  • Oceanside, CA
National Provider Identifier
1043077340
Registry record updated Sep 4, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered Nurse First AssistantTaxonomy code 163WR0006X
License
95246336 Issued in CA
Practice address
4002 Vista Way
Oceanside, CA 92056-4506
Phone
(760) 724-8411
NPI assigned
Mar 4, 2024
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 4, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse First Assistant 163WR0006X 95246336 CA Primary
Registered Nurse First Assistant 163WR0006X 284601 AZ

Addresses

Primary practice location

4002 Vista Way
Oceanside, CA 92056-4506

Mailing address

3905 Waring Rd
Oceanside, CA 92056-4405
Phone (760) 724-9000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Registered Nurse

State licenses

LicenseStateTypeSpecialty
284601AZMDRegistered Nurse First Assistant
95246336CAMDRegistered Nurse First Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
T.W. Holst Group LLC Registered Nurse First Assistant CurrentSince Apr 14, 2024 Accepting new patients
Tri-City Orthopaedic Surgery Medical Group Inc Past Accepting new patients

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1709510400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756944000000",
    "number": "1043077340",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3905 WARING RD",
            "city": "OCEANSIDE",
            "state": "CA",
            "postal_code": "920564405",
            "telephone_number": "760-724-9000",
            "fax_number": "760-724-3686"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4002 VISTA WAY",
            "city": "OCEANSIDE",
            "state": "CA",
            "postal_code": "920564506",
            "telephone_number": "760-724-8411"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLST",
        "first_name": "TYLER",
        "middle_name": "WILLIAM",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2024-03-04",
        "last_updated": "2025-09-04",
        "certification_date": "2025-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WR0006X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Registered Nurse First Assistant",
            "state": "CA",
            "license": "95246336",
            "primary": true
        },
        {
            "code": "163WR0006X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Registered Nurse First Assistant",
            "state": "AZ",
            "license": "284601",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oceanside, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.