William Byron Cook, ARNP

Primary specialty

Pediatric Nurse PractitionerTaxonomy code 363LP0200X

License

AP122534 Issued in TX

Practice address

6410 Fannin St Ste 700
Houston, TX 77030-5205

Phone

(713) 500-6459

Fax

(713) 500-0530

NPI assigned

Jul 17, 2006

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 4

Medicare fee-for-service enrollment

Enrolled in TX

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 1989

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Ut PhysiciansGroup PAC ID 8426960360, 1,744 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

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.

• Ut Physicians

  • Anesthesiology Physician
  • Houston, TX
  • NPI 1033157821
  Medicare reassignment Care Compare group NPD
• Ut Physicians

  • Health Educator
  • Houston, TX
  • NPI 1316534472
  NPD

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

{
    "created_epoch": "1153094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774396800000",
    "number": "1669490751",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6410 FANNIN ST STE 500",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770303005",
            "telephone_number": "713-325-6516",
            "fax_number": "713-512-2232"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6410 FANNIN ST STE 700",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770305205",
            "telephone_number": "713-500-6459",
            "fax_number": "713-500-0530"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "COOK",
        "first_name": "WILLIAM",
        "middle_name": "BYRON",
        "name_prefix": "Mr.",
        "credential": "ARNP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-17",
        "last_updated": "2026-03-25",
        "certification_date": "2026-03-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "TX",
            "license": "AP122534",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "9637570",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "4301414",
            "state": "MT"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "806632600",
            "state": "ID"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "NP165WA",
            "state": "AK"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Steven Cook, M.D.
• Tara Cook, RD
• Tiffany L. Cook
• Tonette Cook, RN-BC
• Travis James Cook, D.D.S
• Aine Clair Cooke, MD
• Emma Margaret Cooke, MD
• John P. Cooke, MD, PHD
• Kathryn Barnes Cooke
• Morgan Virginia Cooke, SLP

• Pediatric Nurse Practitioner in Houston, TX
• Providers in Houston, TX by specialty
• Pediatric Nurse Practitioner in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 25, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.