Individual provider Active NPI

Marla B Pennell, AUD CCC-A

  • Audiologist
  • Georgetown, TX
National Provider Identifier
1174559017
Registry record updated Jan 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
AudiologistTaxonomy code 231H00000X
License
50953 Issued in TX
Practice address
100 River Hills Dr Ste 105
Georgetown, TX 78628-3682
Phone
(512) 763-8855
Fax
(830) 240-5780
NPI assigned
Jun 23, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Audiologist 231H00000X 50953 TX Primary

Addresses

Primary practice location

100 River Hills Dr Ste 105
Georgetown, TX 78628-3682

Mailing address

100 River Hills Dr Ste 105
Georgetown, TX 78628-3682
Phone (512) 763-8855

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20071107000348 TX Practitioner - Qualified Audiologist 5496842411 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Qualified Audiologist
Education
Other, 1992
Medicare assignment
May accept Medicare assignment
Group practices
Waterloo Audiology PLLCGroup PAC ID 5395111074, 5 clinicians

Practice addresses (Care Compare)

105 Medical
Seguin, TX 78155-5392
Phone (830) 240-2826

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Waterloo Audiology PLLC Audiologist CurrentSince Feb 16, 2025 Accepting new patients

Locations

9600 Escarpment Blvd
Ste 745237
Austin, TX 78749

100 River Hills Dr
Ste 105
Georgetown, TX 78628
Phone (512) 763-1020

105 Medical
Seguin, TX 78155
Phone (830) 240-2826

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": "1151020800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768867200000",
    "number": "1174559017",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 RIVER HILLS DR STE 105",
            "city": "GEORGETOWN",
            "state": "TX",
            "postal_code": "786283682",
            "telephone_number": "512-763-8855"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 RIVER HILLS DR STE 105",
            "city": "GEORGETOWN",
            "state": "TX",
            "postal_code": "786283682",
            "telephone_number": "512-763-8855",
            "fax_number": "830-240-5780"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PENNELL",
        "first_name": "MARLA",
        "middle_name": "B",
        "name_prefix": "Dr.",
        "credential": "AUD CCC-A",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-23",
        "last_updated": "2026-01-20",
        "certification_date": "2026-01-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "231H00000X",
            "taxonomy_group": "",
            "desc": "Audiologist",
            "state": "TX",
            "license": "50953",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Georgetown, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.