John Hayden Holtzclaw, AU.D.

Primary specialty

AudiologistTaxonomy code 231H00000X

License

80958 Issued in TX

Practice address

2449 Hospital Dr Ste 280
Bossier City, LA 71111-1900

Phone

(318) 212-7288

Fax

(318) 212-7295

NPI assigned

Jul 10, 2018

Last updated

Jun 10, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in LA

Enrollment records 1

Specialty

Qualified Audiologist

Education

Other, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

WK Bossier ENT and Allergy InstituteGroup PAC ID 9537586920, 3 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jholtzcla@direct.wkhs.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• WK Bossier ENT & Allergy Institute

  • Otolaryngology Physician
  • Bossier City, LA
  • NPI 1851918486
  Medicare reassignment Care Compare group NPD
• WK Neurology Clinic

  • Neurology Physician
  • Bossier City, LA
  • NPI 1336576529
  NPD (past)

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

{
    "created_epoch": "1531180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781049600000",
    "number": "1679069819",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2449 HOSPITAL DR STE 280",
            "city": "BOSSIER CITY",
            "state": "LA",
            "postal_code": "711111900",
            "telephone_number": "318-212-7288",
            "fax_number": "318-212-7295"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2449 HOSPITAL DR STE 280",
            "city": "BOSSIER CITY",
            "state": "LA",
            "postal_code": "711111900",
            "telephone_number": "318-212-7288",
            "fax_number": "318-212-7295"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLTZCLAW",
        "first_name": "JOHN",
        "middle_name": "HAYDEN",
        "credential": "AU.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-07-10",
        "last_updated": "2026-06-10",
        "certification_date": "2026-06-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "231H00000X",
            "taxonomy_group": "",
            "desc": "Audiologist",
            "state": "TX",
            "license": "80958",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TEXAS AUDIOLOGIST LICENSE",
            "identifier": "80958",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Hope Bolin Holland, NURSE
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• Bernard Matt Hollis, D.D.S.
• Kelly Holt
• Steven E Holt, MD
• Jomesia Precious la'Joya Honeycutt
• Anthony Michael Hooker Jr.
• Hooper Family Dentistry, Inc
• Christopher Grey Hooper, D.D.S.
• Stephen R Hooper, D.D.S.

• Audiologist in Bossier City, LA
• Providers in Bossier City, LA by specialty
• Audiologist in Louisiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 10, 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.