Individual provider Active NPI

Michelle Troshinsky, M.S., CCC-SLP

  • Speech-Language Pathologist
  • Los Angeles, CA
National Provider Identifier
1477739563
Registry record updated Feb 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Speech-Language PathologistTaxonomy code 235Z00000X
Practice address
333 S Beaudry Ave # 17TH
Los Angeles, CA 90017-1466
Phone
(818) 512-3864
NPI assigned
Jan 18, 2008
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 25, 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 CA Primary

Addresses

Primary practice location

333 S Beaudry Ave # 17TH
Los Angeles, CA 90017-1466

Mailing address

333 S Beaudry Ave FL 17
Los Angeles, CA 90017-5105
Phone (818) 512-3864

Other names 1

  • Ms. Michelle Markiz Former name

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)
Enrolled
Credentials
Master of Science

NPI Registry JSON

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

{
    "created_epoch": "1200614400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771977600000",
    "number": "1477739563",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "333 S BEAUDRY AVE FL 17",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900175105",
            "telephone_number": "818-512-3864"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "333 S BEAUDRY AVE # 17TH",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900171466",
            "telephone_number": "818-512-3864"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TROSHINSKY",
        "first_name": "MICHELLE",
        "name_prefix": "Mrs.",
        "credential": "M.S., CCC-SLP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2008-01-18",
        "last_updated": "2026-02-25",
        "certification_date": "2026-02-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "CA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MICHELLE",
            "last_name": "MARKIZ",
            "prefix": "MS.",
            "credential": "M.S., CCC-SLP",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Los Angeles, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 25, 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.