Individual provider Active NPI

Mary Katherine Heyer

  • Speech-Language Pathologist
  • Los Angeles, CA
National Provider Identifier
1255258463
Registry record updated Jun 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Speech-Language PathologistTaxonomy code 235Z00000X
License
SL016496 Issued in PA
Practice address
633 W 5TH St Ofc 2876B
Los Angeles, CA 90071-2005
Phone
(512) 377-6318
NPI assigned
Jun 30, 2026
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 30, 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 SL016496 PA Primary

Addresses

Primary practice location

633 W 5TH St Ofc 2876B
Los Angeles, CA 90071-2005

Mailing address

633 W 5TH St Ofc 2876B
Los Angeles, CA 90071-2005
Phone (512) 377-6318

Other names 1

  • Mary Katherine Bulger Other name

Medicare participation

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

Care Compare profile

Medicare Care Compare
Specialty
Qualified Speech Language Pathologist
Education
Other, 2021
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

7600 Chevy Chase Dr
Suite 300
Austin, TX 78752-1503

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

NPI Registry JSON

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

{
    "created_epoch": "1782777600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782777600000",
    "number": "1255258463",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "633 W 5TH ST OFC 2876B",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900712005",
            "telephone_number": "512-377-6318"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "633 W 5TH ST OFC 2876B",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900712005",
            "telephone_number": "512-377-6318"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HEYER",
        "first_name": "MARY",
        "middle_name": "KATHERINE",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-06-30",
        "last_updated": "2026-06-30",
        "certification_date": "2026-06-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "PA",
            "license": "SL016496",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARY",
            "last_name": "BULGER",
            "middle_name": "KATHERINE",
            "code": "5",
            "type": "Other 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 Jun 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.