Organization Active NPI

Sapphire Speech and Language Therapy Services, PLLC

  • Speech-Language Pathologist
  • Houston, TX
National Provider Identifier
1740501949
Registry record updated Oct 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Speech-Language PathologistTaxonomy code 235Z00000X
Legal business name
SAPPHIRE SPEECH AND LANGUAGE THERAPY SERVICES, PLLC
Practice address
6600 Sands Point Dr
Houston, TX 77074-3711
Phone
(346) 280-6617
NPI assigned
Jun 22, 2010
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Oct 3, 2025

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

Authorized official

Name
Daniella K. Johnson, MA, CCC-SLPNPI 1942527064
Title
Speech-Language Pathologist/Owner
Phone
(346) 280-6617

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 6

Specialty (taxonomy)CodeLicenseStatePrimary
Occupational Therapy AssistantGroup: 193200000X MULTI-SPECIALTY GROUP 224Z00000X
Physical TherapistGroup: 193200000X MULTI-SPECIALTY GROUP 225100000X
Physical Therapy AssistantGroup: 193200000X MULTI-SPECIALTY GROUP 225200000X
Occupational TherapistGroup: 193200000X MULTI-SPECIALTY GROUP 225X00000X
Speech-Language AssistantGroup: 193200000X MULTI-SPECIALTY GROUP 2355S0801X
Speech-Language PathologistGroup: 193200000X MULTI-SPECIALTY GROUP 235Z00000X Primary

Addresses

Primary practice location

6600 Sands Point Dr
Houston, TX 77074-3711

Mailing address

6600 Sands Point Dr
Houston, TX 77074-3711
Phone (346) 280-6617

Other practice location 1

10103 Louetta Rd Ste 115
Houston, TX 77070-1189
Phone (346) 280-6617

Other names 2

  • Sapphire Speech Services Doing business as
  • Sapphire Speech ad Language Therapy Services, LLC Former legal business name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20250926004114 TX Part B Supplier - Clinic/Group Practice 7719482819 Receives reassigned benefits from 1 practitioner
Practice locations: Houston, TX

National Provider Directory

National Provider Directory

Locations

6600 Sands Point Dr
Houston, TX 77074
Phone (281) 810-7744

10103 Louetta Rd
Ste 115
Houston, TX 77070
Phone (281) 810-7744

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1277164800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1759449600000",
    "number": "1740501949",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6600 SANDS POINT DR",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770743711",
            "telephone_number": "346-280-6617"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6600 SANDS POINT DR",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770743711",
            "telephone_number": "346-280-6617"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10103 Louetta Rd Ste 115",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770701189",
            "country_code": "US",
            "telephone_number": "346-280-6617",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "SAPPHIRE SPEECH AND LANGUAGE THERAPY SERVICES, PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2010-06-22",
        "last_updated": "2025-10-03",
        "certification_date": "2025-10-03",
        "status": "A",
        "authorized_official_last_name": "JOHNSON",
        "authorized_official_first_name": "DANIELLA",
        "authorized_official_middle_name": "K.",
        "authorized_official_title_or_position": "SPEECH-LANGUAGE PATHOLOGIST/OWNER",
        "authorized_official_telephone_number": "346-280-6617",
        "authorized_official_credential": "MA, CCC-SLP"
    },
    "taxonomies": [
        {
            "code": "224Z00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Occupational Therapy Assistant",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "225100000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Physical Therapist",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "225200000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Physical Therapy Assistant",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "225X00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Occupational Therapist",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2355S0801X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Specialist/Technologist, Speech-Language Assistant",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "235Z00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Speech-Language Pathologist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Sapphire Speech Services",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Sapphire Speech ad Language Therapy Services, LLC",
            "code": "4",
            "type": "Former Legal Business Name"
        },
        {
            "organization_name": "Sapphire Speech ad Language Therapy Services, LLC",
            "code": "4",
            "type": "Former Legal Business Name"
        }
    ]
}

Other providers in Houston, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 3, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.