Nathalie Z Fiestas

Primary specialty

Speech-Language PathologistTaxonomy code 235Z00000X

License

02914L Issued in MD

Practice address

111 Central Ave
Gaithersburg, MD 20877-1219

Phone

(240) 200-4190

NPI assigned

Mar 11, 2025

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

Locations

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.

• Leonia Speech & Language Services LLC

  • Speech-Language Pathologist
  • Gaithersburg, MD
  • NPI 1417561523
  NPD

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

{
    "created_epoch": "1741651200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785283200000",
    "number": "1881493807",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13103 GRENOBLE DR",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208533237"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "111 CENTRAL AVE",
            "city": "GAITHERSBURG",
            "state": "MD",
            "postal_code": "208771219",
            "telephone_number": "240-200-4190"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FIESTAS",
        "first_name": "NATHALIE",
        "middle_name": "Z",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-03-11",
        "last_updated": "2026-07-29",
        "certification_date": "2026-07-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "MD",
            "license": "02914L",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lemuel Ferrer
• Mireille Feumbia
• Bianca Fields
• Jason Patrick Fields, DMD
• Laurence J. Fields, DDS
• Carolyn June Figard, NCC, LCPC
• Figueredo Associates,PC.
• Fantaysia Lexus Figueroa Lawrence
• Alexandra Figueroa
• Alexander Finkelshteyn

• Speech-Language Pathologist in Gaithersburg, MD
• Providers in Gaithersburg, MD by specialty
• Speech-Language Pathologist in Maryland

• 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.