Individual provider Active NPI

Westen Ziegler

  • Speech-Language Pathologist
  • San Diego, CA
National Provider Identifier
1851061477
Registry record updated Jul 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Speech-Language PathologistTaxonomy code 235Z00000X
License
22154 Issued in CA
Practice address
4100 Normal St
San Diego, CA 92103-2653
Phone
(619) 725-5501
NPI assigned
Sep 15, 2021
Last updated
Jul 29, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 29, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Speech-Language Pathologist 235Z00000X 22154 CA Primary

Addresses

Primary practice location

4100 Normal St
San Diego, CA 92103-2653

Mailing address

2019 W Western Dr
Chandler, AZ 85224-1151

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

State licenses

LicenseStateTypeSpecialty
SLPA13035AZMDSpeech-Language Assistant

NPI Registry JSON

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

{
    "created_epoch": "1631664000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785283200000",
    "number": "1851061477",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2019 W WESTERN DR",
            "city": "CHANDLER",
            "state": "AZ",
            "postal_code": "852241151"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4100 NORMAL ST",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921032653",
            "telephone_number": "619-725-5501"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZIEGLER",
        "first_name": "WESTEN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-09-15",
        "last_updated": "2026-07-29",
        "certification_date": "2026-07-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "CA",
            "license": "22154",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Diego, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 29, 2026; 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.