Individual provider Active NPI

Mary Katherine Foley, M.S., CCC-SLP

  • Speech-Language Pathologist
  • Sterling, VA
National Provider Identifier
1164266276
Registry record updated Jul 7, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Speech-Language PathologistTaxonomy code 235Z00000X
License
2202011938 Issued in VA
Practice address
21630 Ridgetop Cir
Sterling, VA 20166-6564
Phone
(571) 449-6281
NPI assigned
Jun 24, 2024
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 7, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Speech-Language Pathologist 235Z00000X 2204001409 VA
Speech-Language Pathologist 235Z00000X 2202011938 VA Primary

Addresses

Primary practice location

21630 Ridgetop Cir
Sterling, VA 20166-6564

Mailing address

7605 Partridge Berry LN
Clifton, VA 20124-2118
Phone (703) 340-7075

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
Master of Science

State licenses

LicenseStateTypeSpecialty
2202011938VAMDSpeech-Language Pathologist
2204001409VAMDSpeech-Language Pathologist

Practice roles

OrganizationSpecialtyStatusNew patients
Tiny Toes Therapy, LLC CurrentSince Jun 30, 2024 Accepting new patients

Locations

21630 Ridgetop Cir
Sterling, VA 20166
Phone (540) 437-4226

Organizations & group practices 1

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": "1719187200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751846400000",
    "number": "1164266276",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7605 PARTRIDGE BERRY LN",
            "city": "CLIFTON",
            "state": "VA",
            "postal_code": "201242118",
            "telephone_number": "703-340-7075"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "21630 RIDGETOP CIR",
            "city": "STERLING",
            "state": "VA",
            "postal_code": "201666564",
            "telephone_number": "571-449-6281"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FOLEY",
        "first_name": "MARY",
        "middle_name": "KATHERINE",
        "credential": "M.S., CCC-SLP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-06-24",
        "last_updated": "2025-07-07",
        "certification_date": "2025-07-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "VA",
            "license": "2204001409",
            "primary": false
        },
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "VA",
            "license": "2202011938",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Sterling, VA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 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.