Onelia Speech & Language Services, PLLC

Primary specialty

Speech-Language PathologistTaxonomy code 235Z00000X

Legal business name

ONELIA SPEECH & LANGUAGE SERVICES, PLLC

Practice address

4601 Connecticut Ave NW Apt 217
Washington, DC 20008-5701

Phone

(703) 568-1707

NPI assigned

Aug 21, 2026

Last updated

Aug 21, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Brandlynn Nicole NelsonNPI 1023434297

Title

Owner/SLP

Phone

(703) 568-1707

Specialties & licenses 1

Addresses

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Brandlynn Nelson, M.S. CCC-SLP

  • Speech-Language Pathologist
  • Washington, DC
  • NPI 1023434297
  NPD (past) Authorized official

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

{
    "created_epoch": "1787270400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1787270400000",
    "number": "1780590349",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "818 18TH ST NW STE 8101291",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200063513",
            "telephone_number": "703-568-1707"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4601 CONNECTICUT AVE NW APT 217",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200085701",
            "telephone_number": "703-568-1707"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ONELIA SPEECH & LANGUAGE SERVICES, PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-08-21",
        "last_updated": "2026-08-21",
        "certification_date": "2026-08-21",
        "status": "A",
        "authorized_official_last_name": "NELSON",
        "authorized_official_first_name": "BRANDLYNN",
        "authorized_official_middle_name": "NICOLE",
        "authorized_official_title_or_position": "OWNER/SLP",
        "authorized_official_telephone_number": "703-568-1707"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Barbara Oneill, MD
• Margot Fiore Onek, MD
• Eric Akoh Onekon
• Sarah Onekon
• Sylvanus Onekon
• Onevision, Inc.
• Jessica Renee Ong, MD, PHD
• Rosine NG Ongbassomben Beleho
• Jeffrey Wade Ongemach, BS, CG IDHS, NREMT-I
• Hortense Viviane Ongmbembe Ekoule

• Speech-Language Pathologist in Washington, DC
• Providers in Washington, DC by specialty
• Speech-Language Pathologist in District of Columbia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 21, 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.